/*  Prototype JavaScript framework, version 1.6.0.3
 *  (c) 2005-2008 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.3',

  Browser: {
    IE:     !!(window.attachEvent &&
      navigator.userAgent.indexOf('Opera') === -1),
    Opera:  navigator.userAgent.indexOf('Opera') > -1,
    WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
    Gecko:  navigator.userAgent.indexOf('Gecko') > -1 &&
      navigator.userAgent.indexOf('KHTML') === -1,
    MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
  },

  BrowserFeatures: {
    XPath: !!document.evaluate,
    SelectorsAPI: !!document.querySelector,
    ElementExtensions: !!window.HTMLElement,
    SpecificElementExtensions:
      document.createElement('div')['__proto__'] &&
      document.createElement('div')['__proto__'] !==
        document.createElement('form')['__proto__']
  },

  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,

  emptyFunction: function() { },
  K: function(x) { return x }
};

if (Prototype.Browser.MobileSafari)
  Prototype.BrowserFeatures.SpecificElementExtensions = false;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
  create: function() {
    var parent = null, properties = $A(arguments);
    if (Object.isFunction(properties[0]))
      parent = properties.shift();

    function klass() {
      this.initialize.apply(this, arguments);
    }

    Object.extend(klass, Class.Methods);
    klass.superclass = parent;
    klass.subclasses = [];

    if (parent) {
      var subclass = function() { };
      subclass.prototype = parent.prototype;
      klass.prototype = new subclass;
      parent.subclasses.push(klass);
    }

    for (var i = 0; i < properties.length; i++)
      klass.addMethods(properties[i]);

    if (!klass.prototype.initialize)
      klass.prototype.initialize = Prototype.emptyFunction;

    klass.prototype.constructor = klass;

    return klass;
  }
};

Class.Methods = {
  addMethods: function(source) {
    var ancestor   = this.superclass && this.superclass.prototype;
    var properties = Object.keys(source);

    if (!Object.keys({ toString: true }).length)
      properties.push("toString", "valueOf");

    for (var i = 0, length = properties.length; i < length; i++) {
      var property = properties[i], value = source[property];
      if (ancestor && Object.isFunction(value) &&
          value.argumentNames().first() == "$super") {
        var method = value;
        value = (function(m) {
          return function() { return ancestor[m].apply(this, arguments) };
        })(property).wrap(method);

        value.valueOf = method.valueOf.bind(method);
        value.toString = method.toString.bind(method);
      }
      this.prototype[property] = value;
    }

    return this;
  }
};

var Abstract = { };

Object.extend = function(destination, source) {
  for (var property in source)
    destination[property] = source[property];
  return destination;
};

Object.extend(Object, {
  inspect: function(object) {
    try {
      if (Object.isUndefined(object)) return 'undefined';
      if (object === null) return 'null';
      return object.inspect ? object.inspect() : String(object);
    } catch (e) {
      if (e instanceof RangeError) return '...';
      throw e;
    }
  },

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

    var results = [];
    for (var property in object) {
      var value = Object.toJSON(object[property]);
      if (!Object.isUndefined(value))
        results.push(property.toJSON() + ': ' + value);
    }

    return '{' + results.join(', ') + '}';
  },

  toQueryString: function(object) {
    return $H(object).toQueryString();
  },

  toHTML: function(object) {
    return object && object.toHTML ? object.toHTML() : String.interpret(object);
  },

  keys: function(object) {
    var keys = [];
    for (var property in object)
      keys.push(property);
    return keys;
  },

  values: function(object) {
    var values = [];
    for (var property in object)
      values.push(object[property]);
    return values;
  },

  clone: function(object) {
    return Object.extend({ }, object);
  },

  isElement: function(object) {
    return !!(object && object.nodeType == 1);
  },

  isArray: function(object) {
    return object != null && typeof object == "object" &&
      'splice' in object && 'join' in object;
  },

  isHash: function(object) {
    return object instanceof Hash;
  },

  isFunction: function(object) {
    return typeof object == "function";
  },

  isString: function(object) {
    return typeof object == "string";
  },

  isNumber: function(object) {
    return typeof object == "number";
  },

  isUndefined: function(object) {
    return typeof object == "undefined";
  }
});

Object.extend(Function.prototype, {
  argumentNames: function() {
    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
      .replace(/\s+/g, '').split(',');
    return names.length == 1 && !names[0] ? [] : names;
  },

  bind: function() {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
      return __method.apply(object, args.concat($A(arguments)));
    }
  },

  bindAsEventListener: function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
      return __method.apply(object, [event || window.event].concat(args));
    }
  },

  curry: function() {
    if (!arguments.length) return this;
    var __method = this, args = $A(arguments);
    return function() {
      return __method.apply(this, args.concat($A(arguments)));
    }
  },

  delay: function() {
    var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  },

  defer: function() {
    var args = [0.01].concat($A(arguments));
    return this.delay.apply(this, args);
  },

  wrap: function(wrapper) {
    var __method = this;
    return function() {
      return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
    }
  },

  methodize: function() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      return __method.apply(null, [this].concat($A(arguments)));
    };
  }
});

Date.prototype.toJSON = function() {
  return '"' + this.getUTCFullYear() + '-' +
    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
    this.getUTCDate().toPaddedString(2) + 'T' +
    this.getUTCHours().toPaddedString(2) + ':' +
    this.getUTCMinutes().toPaddedString(2) + ':' +
    this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

var Try = {
  these: function() {
    var returnValue;

    for (var i = 0, length = arguments.length; i < length; i++) {
      var lambda = arguments[i];
      try {
        returnValue = lambda();
        break;
      } catch (e) { }
    }

    return returnValue;
  }
};

RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create({
  initialize: function(callback, frequency) {
    this.callback = callback;
    this.frequency = frequency;
    this.currentlyExecuting = false;

    this.registerCallback();
  },

  registerCallback: function() {
    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
  },

  execute: function() {
    this.callback(this);
  },

  stop: function() {
    if (!this.timer) return;
    clearInterval(this.timer);
    this.timer = null;
  },

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.execute();
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
});
Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

Object.extend(String.prototype, {
  gsub: function(pattern, replacement) {
    var result = '', source = this, match;
    replacement = arguments.callee.prepareReplacement(replacement);

    while (source.length > 0) {
      if (match = source.match(pattern)) {
        result += source.slice(0, match.index);
        result += String.interpret(replacement(match));
        source  = source.slice(match.index + match[0].length);
      } else {
        result += source, source = '';
      }
    }
    return result;
  },

  sub: function(pattern, replacement, count) {
    replacement = this.gsub.prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

    return this.gsub(pattern, function(match) {
      if (--count < 0) return match[0];
      return replacement(match);
    });
  },

  scan: function(pattern, iterator) {
    this.gsub(pattern, iterator);
    return String(this);
  },

  truncate: function(length, truncation) {
    length = length || 30;
    truncation = Object.isUndefined(truncation) ? '...' : truncation;
    return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : String(this);
  },

  strip: function() {
    return this.replace(/^\s+/, '').replace(/\s+$/, '');
  },

  stripTags: function() {
    return this.replace(/<\/?[^>]+>/gi, '');
  },

  stripScripts: function() {
    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
  },

  extractScripts: function() {
    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
    return (this.match(matchAll) || []).map(function(scriptTag) {
      return (scriptTag.match(matchOne) || ['', ''])[1];
    });
  },

  evalScripts: function() {
    return this.extractScripts().map(function(script) { return eval(script) });
  },

  escapeHTML: function() {
    var self = arguments.callee;
    self.text.data = this;
    return self.div.innerHTML;
  },

  unescapeHTML: function() {
    var div = new Element('div');
    div.innerHTML = this.stripTags();
    return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
  },

  toQueryParams: function(separator) {
    var match = this.strip().match(/([^?#]*)(#.*)?$/);
    if (!match) return { };

    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
      if ((pair = pair.split('='))[0]) {
        var key = decodeURIComponent(pair.shift());
        var value = pair.length > 1 ? pair.join('=') : pair[0];
        if (value != undefined) value = decodeURIComponent(value);

        if (key in hash) {
          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
          hash[key].push(value);
        }
        else hash[key] = value;
      }
      return hash;
    });
  },

  toArray: function() {
    return this.split('');
  },

  succ: function() {
    return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
  },

  times: function(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  },

  camelize: function() {
    var parts = this.split('-'), len = parts.length;
    if (len == 1) return parts[0];

    var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

    for (var i = 1; i < len; i++)
      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

    return camelized;
  },

  capitalize: function() {
    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
  },

  underscore: function() {
    return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
  },

  dasherize: function() {
    return this.gsub(/_/,'-');
  },

  inspect: function(useDoubleQuotes) {
    var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
      var character = String.specialChar[match[0]];
      return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
    });
    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
  },

  toJSON: function() {
    return this.inspect(true);
  },

  unfilterJSON: function(filter) {
    return this.sub(filter || Prototype.JSONFilter, '#{1}');
  },

  isJSON: function() {
    var str = this;
    if (str.blank()) return false;
    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
  },

  evalJSON: function(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  },

  include: function(pattern) {
    return this.indexOf(pattern) > -1;
  },

  startsWith: function(pattern) {
    return this.indexOf(pattern) === 0;
  },

  endsWith: function(pattern) {
    var d = this.length - pattern.length;
    return d >= 0 && this.lastIndexOf(pattern) === d;
  },

  empty: function() {
    return this == '';
  },

  blank: function() {
    return /^\s*$/.test(this);
  },

  interpolate: function(object, pattern) {
    return new Template(this, pattern).evaluate(object);
  }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
  escapeHTML: function() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  },
  unescapeHTML: function() {
    return this.stripTags().replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
  }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
  if (Object.isFunction(replacement)) return replacement;
  var template = new Template(replacement);
  return function(match) { return template.evaluate(match) };
};

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
  div:  document.createElement('div'),
  text: document.createTextNode('')
});

String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);

var Template = Class.create({
  initialize: function(template, pattern) {
    this.template = template.toString();
    this.pattern = pattern || Template.Pattern;
  },

  evaluate: function(object) {
    if (Object.isFunction(object.toTemplateReplacements))
      object = object.toTemplateReplacements();

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return '';

      var before = match[1] || '';
      if (before == '\\') return match[2];

      var ctx = object, expr = match[3];
      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
      match = pattern.exec(expr);
      if (match == null) return before;

      while (match != null) {
        var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
        ctx = ctx[comp];
        if (null == ctx || '' == match[3]) break;
        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
        match = pattern.exec(expr);
      }

      return before + String.interpret(ctx);
    });
  }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = { };

var Enumerable = {
  each: function(iterator, context) {
    var index = 0;
    try {
      this._each(function(value) {
        iterator.call(context, value, index++);
      });
    } catch (e) {
      if (e != $break) throw e;
    }
    return this;
  },

  eachSlice: function(number, iterator, context) {
    var index = -number, slices = [], array = this.toArray();
    if (number < 1) return array;
    while ((index += number) < array.length)
      slices.push(array.slice(index, index+number));
    return slices.collect(iterator, context);
  },

  all: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = true;
    this.each(function(value, index) {
      result = result && !!iterator.call(context, value, index);
      if (!result) throw $break;
    });
    return result;
  },

  any: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result = false;
    this.each(function(value, index) {
      if (result = !!iterator.call(context, value, index))
        throw $break;
    });
    return result;
  },

  collect: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];
    this.each(function(value, index) {
      results.push(iterator.call(context, value, index));
    });
    return results;
  },

  detect: function(iterator, context) {
    var result;
    this.each(function(value, index) {
      if (iterator.call(context, value, index)) {
        result = value;
        throw $break;
      }
    });
    return result;
  },

  findAll: function(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  },

  grep: function(filter, iterator, context) {
    iterator = iterator || Prototype.K;
    var results = [];

    if (Object.isString(filter))
      filter = new RegExp(filter);

    this.each(function(value, index) {
      if (filter.match(value))
        results.push(iterator.call(context, value, index));
    });
    return results;
  },

  include: function(object) {
    if (Object.isFunction(this.indexOf))
      if (this.indexOf(object) != -1) return true;

    var found = false;
    this.each(function(value) {
      if (value == object) {
        found = true;
        throw $break;
      }
    });
    return found;
  },

  inGroupsOf: function(number, fillWith) {
    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
    return this.eachSlice(number, function(slice) {
      while(slice.length < number) slice.push(fillWith);
      return slice;
    });
  },

  inject: function(memo, iterator, context) {
    this.each(function(value, index) {
      memo = iterator.call(context, memo, value, index);
    });
    return memo;
  },

  invoke: function(method) {
    var args = $A(arguments).slice(1);
    return this.map(function(value) {
      return value[method].apply(value, args);
    });
  },

  max: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value >= result)
        result = value;
    });
    return result;
  },

  min: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var result;
    this.each(function(value, index) {
      value = iterator.call(context, value, index);
      if (result == null || value < result)
        result = value;
    });
    return result;
  },

  partition: function(iterator, context) {
    iterator = iterator || Prototype.K;
    var trues = [], falses = [];
    this.each(function(value, index) {
      (iterator.call(context, value, index) ?
        trues : falses).push(value);
    });
    return [trues, falses];
  },

  pluck: function(property) {
    var results = [];
    this.each(function(value) {
      results.push(value[property]);
    });
    return results;
  },

  reject: function(iterator, context) {
    var results = [];
    this.each(function(value, index) {
      if (!iterator.call(context, value, index))
        results.push(value);
    });
    return results;
  },

  sortBy: function(iterator, context) {
    return this.map(function(value, index) {
      return {
        value: value,
        criteria: iterator.call(context, value, index)
      };
    }).sort(function(left, right) {
      var a = left.criteria, b = right.criteria;
      return a < b ? -1 : a > b ? 1 : 0;
    }).pluck('value');
  },

  toArray: function() {
    return this.map();
  },

  zip: function() {
    var iterator = Prototype.K, args = $A(arguments);
    if (Object.isFunction(args.last()))
      iterator = args.pop();

    var collections = [this].concat(args).map($A);
    return this.map(function(value, index) {
      return iterator(collections.pluck(index));
    });
  },

  size: function() {
    return this.toArray().length;
  },

  inspect: function() {
    return '#<Enumerable:' + this.toArray().inspect() + '>';
  }
};

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  $A = function(iterable) {
    if (!iterable) return [];
    // In Safari, only use the `toArray` method if it's not a NodeList.
    // A NodeList is a function, has an function `item` property, and a numeric
    // `length` property. Adapted from Google Doctype.
    if (!(typeof iterable === 'function' && typeof iterable.length ===
        'number' && typeof iterable.item === 'function') && iterable.toArray)
      return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  };
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
  _each: function(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  },

  clear: function() {
    this.length = 0;
    return this;
  },

  first: function() {
    return this[0];
  },

  last: function() {
    return this[this.length - 1];
  },

  compact: function() {
    return this.select(function(value) {
      return value != null;
    });
  },

  flatten: function() {
    return this.inject([], function(array, value) {
      return array.concat(Object.isArray(value) ?
        value.flatten() : [value]);
    });
  },

  without: function() {
    var values = $A(arguments);
    return this.select(function(value) {
      return !values.include(value);
    });
  },

  reverse: function(inline) {
    return (inline !== false ? this : this.toArray())._reverse();
  },

  reduce: function() {
    return this.length > 1 ? this : this[0];
  },

  uniq: function(sorted) {
    return this.inject([], function(array, value, index) {
      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
        array.push(value);
      return array;
    });
  },

  intersect: function(array) {
    return this.uniq().findAll(function(item) {
      return array.detect(function(value) { return item === value });
    });
  },

  clone: function() {
    return [].concat(this);
  },

  size: function() {
    return this.length;
  },

  inspect: function() {
    return '[' + this.map(Object.inspect).join(', ') + ']';
  },

  toJSON: function() {
    var results = [];
    this.each(function(object) {
      var value = Object.toJSON(object);
      if (!Object.isUndefined(value)) results.push(value);
    });
    return '[' + results.join(', ') + ']';
  }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
  Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
  i || (i = 0);
  var length = this.length;
  if (i < 0) i = length + i;
  for (; i < length; i++)
    if (this[i] === item) return i;
  return -1;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
  i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
  var n = this.slice(0, i).reverse().indexOf(item);
  return (n < 0) ? n : i - n - 1;
};

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
  if (!Object.isString(string)) return [];
  string = string.strip();
  return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

  succ: function() {
    return this + 1;
  },

  times: function(iterator, context) {
    $R(0, this, true).each(iterator, context);
    return this;
  },

  toPaddedString: function(length, radix) {
    var string = this.toString(radix || 10);
    return '0'.times(length - string.length) + string;
  },

  toJSON: function() {
    return isFinite(this) ? this.toString() : 'null';
  }
});

$w('abs round ceil floor').each(function(method){
  Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

  function toQueryPair(key, value) {
    if (Object.isUndefined(value)) return key;
    return key + '=' + encodeURIComponent(String.interpret(value));
  }

  return {
    initialize: function(object) {
      this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
    },

    _each: function(iterator) {
      for (var key in this._object) {
        var value = this._object[key], pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
      }
    },

    set: function(key, value) {
      return this._object[key] = value;
    },

    get: function(key) {
      // simulating poorly supported hasOwnProperty
      if (this._object[key] !== Object.prototype[key])
        return this._object[key];
    },

    unset: function(key) {
      var value = this._object[key];
      delete this._object[key];
      return value;
    },

    toObject: function() {
      return Object.clone(this._object);
    },

    keys: function() {
      return this.pluck('key');
    },

    values: function() {
      return this.pluck('value');
    },

    index: function(value) {
      var match = this.detect(function(pair) {
        return pair.value === value;
      });
      return match && match.key;
    },

    merge: function(object) {
      return this.clone().update(object);
    },

    update: function(object) {
      return new Hash(object).inject(this, function(result, pair) {
        result.set(pair.key, pair.value);
        return result;
      });
    },

    toQueryString: function() {
      return this.inject([], function(results, pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

        if (values && typeof values == 'object') {
          if (Object.isArray(values))
            return results.concat(values.map(toQueryPair.curry(key)));
        } else results.push(toQueryPair(key, values));
        return results;
      }).join('&');
    },

    inspect: function() {
      return '#<Hash:{' + this.map(function(pair) {
        return pair.map(Object.inspect).join(': ');
      }).join(', ') + '}>';
    },

    toJSON: function() {
      return Object.toJSON(this.toObject());
    },

    clone: function() {
      return new Hash(this);
    }
  }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

  _each: function(iterator) {
    var value = this.start;
    while (this.include(value)) {
      iterator(value);
      value = value.succ();
    }
  },

  include: function(value) {
    if (value < this.start)
      return false;
    if (this.exclusive)
      return value < this.end;
    return value <= this.end;
  }
});

var $R = function(start, end, exclusive) {
  return new ObjectRange(start, end, exclusive);
};

var Ajax = {
  getTransport: function() {
    return Try.these(
      function() {return new XMLHttpRequest()},
      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
    ) || false;
  },

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

  _each: function(iterator) {
    this.responders._each(iterator);
  },

  register: function(responder) {
    if (!this.include(responder))
      this.responders.push(responder);
  },

  unregister: function(responder) {
    this.responders = this.responders.without(responder);
  },

  dispatch: function(callback, request, transport, json) {
    this.each(function(responder) {
      if (Object.isFunction(responder[callback])) {
        try {
          responder[callback].apply(responder, [request, transport, json]);
        } catch (e) { }
      }
    });
  }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
  onCreate:   function() { Ajax.activeRequestCount++ },
  onComplete: function() { Ajax.activeRequestCount-- }
});

Ajax.Base = Class.create({
  initialize: function(options) {
    this.options = {
      method:       'post',
      asynchronous: true,
      contentType:  'application/x-www-form-urlencoded',
      encoding:     'UTF-8',
      parameters:   '',
      evalJSON:     true,
      evalJS:       true
    };
    Object.extend(this.options, options || { });

    this.options.method = this.options.method.toLowerCase();

    if (Object.isString(this.options.parameters))
      this.options.parameters = this.options.parameters.toQueryParams();
    else if (Object.isHash(this.options.parameters))
      this.options.parameters = this.options.parameters.toObject();
  }
});

Ajax.Request = Class.create(Ajax.Base, {
  _complete: false,

  initialize: function($super, url, options) {
    $super(options);
    this.transport = Ajax.getTransport();
    this.request(url);
  },

  request: function(url) {
    this.url = url;
    this.method = this.options.method;
    var params = Object.clone(this.options.parameters);

    if (!['get', 'post'].include(this.method)) {
      // simulate other verbs over post
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      // when GET, append parameters to URL
      if (this.method == 'get')
        this.url += (this.url.include('?') ? '&' : '?') + params;
      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
        params += '&_=';
    }

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

      this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

      this.transport.onreadystatechange = this.onStateChange.bind(this);
      this.setRequestHeaders();

      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
      this.transport.send(this.body);

      /* Force Firefox to handle ready state 4 for synchronous requests */
      if (!this.options.asynchronous && this.transport.overrideMimeType)
        this.onStateChange();

    }
    catch (e) {
      this.dispatchException(e);
    }
  },

  onStateChange: function() {
    var readyState = this.transport.readyState;
    if (readyState > 1 && !((readyState == 4) && this._complete))
      this.respondToReadyState(this.transport.readyState);
  },

  setRequestHeaders: function() {
    var headers = {
      'X-Requested-With': 'XMLHttpRequest',
      'X-Prototype-Version': Prototype.Version,
      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
    };

    if (this.method == 'post') {
      headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

      /* Force "Connection: close" for older Mozilla browsers to work
       * around a bug where XMLHttpRequest sends an incorrect
       * Content-length header. See Mozilla Bugzilla #246651.
       */
      if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
            headers['Connection'] = 'close';
    }

    // user-defined headers
    if (typeof this.options.requestHeaders == 'object') {
      var extras = this.options.requestHeaders;

      if (Object.isFunction(extras.push))
        for (var i = 0, length = extras.length; i < length; i += 2)
          headers[extras[i]] = extras[i+1];
      else
        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
    }

    for (var name in headers)
      this.transport.setRequestHeader(name, headers[name]);
  },

  success: function() {
    var status = this.getStatus();
    return !status || (status >= 200 && status < 300);
  },

  getStatus: function() {
    try {
      return this.transport.status || 0;
    } catch (e) { return 0 }
  },

  respondToReadyState: function(readyState) {
    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

    if (state == 'Complete') {
      try {
        this._complete = true;
        (this.options['on' + response.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(response, response.headerJSON);
      } catch (e) {
        this.dispatchException(e);
      }

      var contentType = response.getHeader('Content-type');
      if (this.options.evalJS == 'force'
          || (this.options.evalJS && this.isSameOrigin() && contentType
          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
        this.evalResponse();
    }

    try {
      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
    } catch (e) {
      this.dispatchException(e);
    }

    if (state == 'Complete') {
      // avoid memory leak in MSIE: clean up
      this.transport.onreadystatechange = Prototype.emptyFunction;
    }
  },

  isSameOrigin: function() {
    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
      protocol: location.protocol,
      domain: document.domain,
      port: location.port ? ':' + location.port : ''
    }));
  },

  getHeader: function(name) {
    try {
      return this.transport.getResponseHeader(name) || null;
    } catch (e) { return null }
  },

  evalResponse: function() {
    try {
      return eval((this.transport.responseText || '').unfilterJSON());
    } catch (e) {
      this.dispatchException(e);
    }
  },

  dispatchException: function(exception) {
    (this.options.onException || Prototype.emptyFunction)(this, exception);
    Ajax.Responders.dispatch('onException', this, exception);
  }
});

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
  initialize: function(request){
    this.request = request;
    var transport  = this.transport  = request.transport,
        readyState = this.readyState = transport.readyState;

    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
      this.status       = this.getStatus();
      this.statusText   = this.getStatusText();
      this.responseText = String.interpret(transport.responseText);
      this.headerJSON   = this._getHeaderJSON();
    }

    if(readyState == 4) {
      var xml = transport.responseXML;
      this.responseXML  = Object.isUndefined(xml) ? null : xml;
      this.responseJSON = this._getResponseJSON();
    }
  },

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

  getStatusText: function() {
    try {
      return this.transport.statusText || '';
    } catch (e) { return '' }
  },

  getHeader: Ajax.Request.prototype.getHeader,

  getAllHeaders: function() {
    try {
      return this.getAllResponseHeaders();
    } catch (e) { return null }
  },

  getResponseHeader: function(name) {
    return this.transport.getResponseHeader(name);
  },

  getAllResponseHeaders: function() {
    return this.transport.getAllResponseHeaders();
  },

  _getHeaderJSON: function() {
    var json = this.getHeader('X-JSON');
    if (!json) return null;
    json = decodeURIComponent(escape(json));
    try {
      return json.evalJSON(this.request.options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  },

  _getResponseJSON: function() {
    var options = this.request.options;
    if (!options.evalJSON || (options.evalJSON != 'force' &&
      !(this.getHeader('Content-type') || '').include('application/json')) ||
        this.responseText.blank())
          return null;
    try {
      return this.responseText.evalJSON(options.sanitizeJSON ||
        !this.request.isSameOrigin());
    } catch (e) {
      this.request.dispatchException(e);
    }
  }
});

Ajax.Updater = Class.create(Ajax.Request, {
  initialize: function($super, container, url, options) {
    this.container = {
      success: (container.success || container),
      failure: (container.failure || (container.success ? null : container))
    };

    options = Object.clone(options);
    var onComplete = options.onComplete;
    options.onComplete = (function(response, json) {
      this.updateContent(response.responseText);
      if (Object.isFunction(onComplete)) onComplete(response, json);
    }).bind(this);

    $super(url, options);
  },

  updateContent: function(responseText) {
    var receiver = this.container[this.success() ? 'success' : 'failure'],
        options = this.options;

    if (!options.evalScripts) responseText = responseText.stripScripts();

    if (receiver = $(receiver)) {
      if (options.insertion) {
        if (Object.isString(options.insertion)) {
          var insertion = { }; insertion[options.insertion] = responseText;
          receiver.insert(insertion);
        }
        else options.insertion(receiver, responseText);
      }
      else receiver.update(responseText);
    }
  }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

    this.frequency = (this.options.frequency || 2);
    this.decay = (this.options.decay || 1);

    this.updater = { };
    this.container = container;
    this.url = url;

    this.start();
  },

  start: function() {
    this.options.onComplete = this.updateComplete.bind(this);
    this.onTimerEvent();
  },

  stop: function() {
    this.updater.options.onComplete = undefined;
    clearTimeout(this.timer);
    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  },

  updateComplete: function(response) {
    if (this.options.decay) {
      this.decay = (response.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

      this.lastText = response.responseText;
    }
    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  },

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});
function $(element) {
  if (arguments.length > 1) {
    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
      elements.push($(arguments[i]));
    return elements;
  }
  if (Object.isString(element))
    element = document.getElementById(element);
  return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
  document._getElementsByXPath = function(expression, parentElement) {
    var results = [];
    var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
    for (var i = 0, length = query.snapshotLength; i < length; i++)
      results.push(Element.extend(query.snapshotItem(i)));
    return results;
  };
}

/*--------------------------------------------------------------------------*/

if (!window.Node) var Node = { };

if (!Node.ELEMENT_NODE) {
  // DOM level 2 ECMAScript Language Binding
  Object.extend(Node, {
    ELEMENT_NODE: 1,
    ATTRIBUTE_NODE: 2,
    TEXT_NODE: 3,
    CDATA_SECTION_NODE: 4,
    ENTITY_REFERENCE_NODE: 5,
    ENTITY_NODE: 6,
    PROCESSING_INSTRUCTION_NODE: 7,
    COMMENT_NODE: 8,
    DOCUMENT_NODE: 9,
    DOCUMENT_TYPE_NODE: 10,
    DOCUMENT_FRAGMENT_NODE: 11,
    NOTATION_NODE: 12
  });
}

(function() {
  var element = this.Element;
  this.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (Prototype.Browser.IE && attributes.name) {
      tagName = '<' + tagName + ' name="' + attributes.name + '">';
      delete attributes.name;
      return Element.writeAttribute(document.createElement(tagName), attributes);
    }
    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  };
  Object.extend(this.Element, element || { });
  if (element) this.Element.prototype = element.prototype;
}).call(window);

Element.cache = { };

Element.Methods = {
  visible: function(element) {
    return $(element).style.display != 'none';
  },

  toggle: function(element) {
    element = $(element);
    Element[Element.visible(element) ? 'hide' : 'show'](element);
    return element;
  },

  hide: function(element) {
    element = $(element);
    element.style.display = 'none';
    return element;
  },

  show: function(element) {
    element = $(element);
    element.style.display = '';
    return element;
  },

  remove: function(element) {
    element = $(element);
    element.parentNode.removeChild(element);
    return element;
  },

  update: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);
    content = Object.toHTML(content);
    element.innerHTML = content.stripScripts();
    content.evalScripts.bind(content).defer();
    return element;
  },

  replace: function(element, content) {
    element = $(element);
    if (content && content.toElement) content = content.toElement();
    else if (!Object.isElement(content)) {
      content = Object.toHTML(content);
      var range = element.ownerDocument.createRange();
      range.selectNode(element);
      content.evalScripts.bind(content).defer();
      content = range.createContextualFragment(content.stripScripts());
    }
    element.parentNode.replaceChild(content, element);
    return element;
  },

  insert: function(element, insertions) {
    element = $(element);

    if (Object.isString(insertions) || Object.isNumber(insertions) ||
        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
          insertions = {bottom:insertions};

    var content, insert, tagName, childNodes;

    for (var position in insertions) {
      content  = insertions[position];
      position = position.toLowerCase();
      insert = Element._insertionTranslations[position];

      if (content && content.toElement) content = content.toElement();
      if (Object.isElement(content)) {
        insert(element, content);
        continue;
      }

      content = Object.toHTML(content);

      tagName = ((position == 'before' || position == 'after')
        ? element.parentNode : element).tagName.toUpperCase();

      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

      if (position == 'top' || position == 'after') childNodes.reverse();
      childNodes.each(insert.curry(element));

      content.evalScripts.bind(content).defer();
    }

    return element;
  },

  wrap: function(element, wrapper, attributes) {
    element = $(element);
    if (Object.isElement(wrapper))
      $(wrapper).writeAttribute(attributes || { });
    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
    else wrapper = new Element('div', wrapper);
    if (element.parentNode)
      element.parentNode.replaceChild(wrapper, element);
    wrapper.appendChild(element);
    return wrapper;
  },

  inspect: function(element) {
    element = $(element);
    var result = '<' + element.tagName.toLowerCase();
    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
      var property = pair.first(), attribute = pair.last();
      var value = (element[property] || '').toString();
      if (value) result += ' ' + attribute + '=' + value.inspect(true);
    });
    return result + '>';
  },

  recursivelyCollect: function(element, property) {
    element = $(element);
    var elements = [];
    while (element = element[property])
      if (element.nodeType == 1)
        elements.push(Element.extend(element));
    return elements;
  },

  ancestors: function(element) {
    return $(element).recursivelyCollect('parentNode');
  },

  descendants: function(element) {
    return $(element).select("*");
  },

  firstDescendant: function(element) {
    element = $(element).firstChild;
    while (element && element.nodeType != 1) element = element.nextSibling;
    return $(element);
  },

  immediateDescendants: function(element) {
    if (!(element = $(element).firstChild)) return [];
    while (element && element.nodeType != 1) element = element.nextSibling;
    if (element) return [element].concat($(element).nextSiblings());
    return [];
  },

  previousSiblings: function(element) {
    return $(element).recursivelyCollect('previousSibling');
  },

  nextSiblings: function(element) {
    return $(element).recursivelyCollect('nextSibling');
  },

  siblings: function(element) {
    element = $(element);
    return element.previousSiblings().reverse().concat(element.nextSiblings());
  },

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

  up: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(element.parentNode);
    var ancestors = element.ancestors();
    return Object.isNumber(expression) ? ancestors[expression] :
      Selector.findElement(ancestors, expression, index);
  },

  down: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return element.firstDescendant();
    return Object.isNumber(expression) ? element.descendants()[expression] :
      Element.select(element, expression)[index || 0];
  },

  previous: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
    var previousSiblings = element.previousSiblings();
    return Object.isNumber(expression) ? previousSiblings[expression] :
      Selector.findElement(previousSiblings, expression, index);
  },

  next: function(element, expression, index) {
    element = $(element);
    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
    var nextSiblings = element.nextSiblings();
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },

  select: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element, args);
  },

  adjacent: function() {
    var args = $A(arguments), element = $(args.shift());
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = element.readAttribute('id'), self = arguments.callee;
    if (id) return id;
    do { id = 'anonymous_element_' + self.counter++ } while ($(id));
    element.writeAttribute('id', id);
    return id;
  },

  readAttribute: function(element, name) {
    element = $(element);
    if (Prototype.Browser.IE) {
      var t = Element._attributeTranslations.read;
      if (t.values[name]) return t.values[name](element, name);
      if (t.names[name]) name = t.names[name];
      if (name.include(':')) {
        return (!element.attributes || !element.attributes[name]) ? null :
         element.attributes[name].value;
      }
    }
    return element.getAttribute(name);
  },

  writeAttribute: function(element, name, value) {
    element = $(element);
    var attributes = { }, t = Element._attributeTranslations.write;

    if (typeof name == 'object') attributes = name;
    else attributes[name] = Object.isUndefined(value) ? true : value;

    for (var attr in attributes) {
      name = t.names[attr] || attr;
      value = attributes[attr];
      if (t.values[attr]) name = t.values[attr](element, value);
      if (value === false || value === null)
        element.removeAttribute(name);
      else if (value === true)
        element.setAttribute(name, name);
      else element.setAttribute(name, value);
    }
    return element;
  },

  getHeight: function(element) {
    return $(element).getDimensions().height;
  },

  getWidth: function(element) {
    return $(element).getDimensions().width;
  },

  classNames: function(element) {
    return new Element.ClassNames(element);
  },

  hasClassName: function(element, className) {
    if (!(element = $(element))) return;
    var elementClassName = element.className;
    return (elementClassName.length > 0 && (elementClassName == className ||
      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  },

  addClassName: function(element, className) {
    if (!(element = $(element))) return;
    if (!element.hasClassName(className))
      element.className += (element.className ? ' ' : '') + className;
    return element;
  },

  removeClassName: function(element, className) {
    if (!(element = $(element))) return;
    element.className = element.className.replace(
      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
    return element;
  },

  toggleClassName: function(element, className) {
    if (!(element = $(element))) return;
    return element[element.hasClassName(className) ?
      'removeClassName' : 'addClassName'](className);
  },

  // removes whitespace-only text node children
  cleanWhitespace: function(element) {
    element = $(element);
    var node = element.firstChild;
    while (node) {
      var nextNode = node.nextSibling;
      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
        element.removeChild(node);
      node = nextNode;
    }
    return element;
  },

  empty: function(element) {
    return $(element).innerHTML.blank();
  },

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);

    if (element.compareDocumentPosition)
      return (element.compareDocumentPosition(ancestor) & 8) === 8;

    if (ancestor.contains)
      return ancestor.contains(element) && ancestor !== element;

    while (element = element.parentNode)
      if (element == ancestor) return true;

    return false;
  },

  scrollTo: function(element) {
    element = $(element);
    var pos = element.cumulativeOffset();
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || value == 'auto') {
      var css = document.defaultView.getComputedStyle(element, null);
      value = css ? css[style] : null;
    }
    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
    return value == 'auto' ? null : value;
  },

  getOpacity: function(element) {
    return $(element).getStyle('opacity');
  },

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

  setOpacity: function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
    return element;
  },

  getDimensions: function(element) {
    element = $(element);
    var display = element.getStyle('display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    // All *Width and *Height properties give 0 on elements with display none,
    // so enable the element temporarily
    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    els.position = 'absolute';
    els.display = 'block';
    var originalWidth = element.clientWidth;
    var originalHeight = element.clientHeight;
    els.display = originalDisplay;
    els.position = originalPosition;
    els.visibility = originalVisibility;
    return {width: originalWidth, height: originalHeight};
  },

  makePositioned: function(element) {
    element = $(element);
    var pos = Element.getStyle(element, 'position');
    if (pos == 'static' || !pos) {
      element._madePositioned = true;
      element.style.position = 'relative';
      // Opera returns the offset relative to the positioning context, when an
      // element is position relative but top and left have not been defined
      if (Prototype.Browser.Opera) {
        element.style.top = 0;
        element.style.left = 0;
      }
    }
    return element;
  },

  undoPositioned: function(element) {
    element = $(element);
    if (element._madePositioned) {
      element._madePositioned = undefined;
      element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
    }
    return element;
  },

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
    if (element._overflow !== 'hidden')
      element.style.overflow = 'hidden';
    return element;
  },

  undoClipping: function(element) {
    element = $(element);
    if (!element._overflow) return element;
    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
    element._overflow = null;
    return element;
  },

  cumulativeOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  positionedOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      element = element.offsetParent;
      if (element) {
        if (element.tagName.toUpperCase() == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p !== 'static') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  absolutize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'absolute') return element;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    var offsets = element.positionedOffset();
    var top     = offsets[1];
    var left    = offsets[0];
    var width   = element.clientWidth;
    var height  = element.clientHeight;

    element._originalLeft   = left - parseFloat(element.style.left  || 0);
    element._originalTop    = top  - parseFloat(element.style.top || 0);
    element._originalWidth  = element.style.width;
    element._originalHeight = element.style.height;

    element.style.position = 'absolute';
    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.width  = width + 'px';
    element.style.height = height + 'px';
    return element;
  },

  relativize: function(element) {
    element = $(element);
    if (element.getStyle('position') == 'relative') return element;
    // Position.prepare(); // To be done manually by Scripty when it needs it.

    element.style.position = 'relative';
    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

    element.style.top    = top + 'px';
    element.style.left   = left + 'px';
    element.style.height = element._originalHeight;
    element.style.width  = element._originalWidth;
    return element;
  },

  cumulativeScrollOffset: function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.scrollTop  || 0;
      valueL += element.scrollLeft || 0;
      element = element.parentNode;
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

  getOffsetParent: function(element) {
    if (element.offsetParent) return $(element.offsetParent);
    if (element == document.body) return $(element);

    while ((element = element.parentNode) && element != document.body)
      if (Element.getStyle(element, 'position') != 'static')
        return $(element);

    return $(document.body);
  },

  viewportOffset: function(forElement) {
    var valueT = 0, valueL = 0;

    var element = forElement;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;

      // Safari fix
      if (element.offsetParent == document.body &&
        Element.getStyle(element, 'position') == 'absolute') break;

    } while (element = element.offsetParent);

    element = forElement;
    do {
      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
        valueT -= element.scrollTop  || 0;
        valueL -= element.scrollLeft || 0;
      }
    } while (element = element.parentNode);

    return Element._returnOffset(valueL, valueT);
  },

  clonePosition: function(element, source) {
    var options = Object.extend({
      setLeft:    true,
      setTop:     true,
      setWidth:   true,
      setHeight:  true,
      offsetTop:  0,
      offsetLeft: 0
    }, arguments[2] || { });

    // find page position of source
    source = $(source);
    var p = source.viewportOffset();

    // find coordinate system to use
    element = $(element);
    var delta = [0, 0];
    var parent = null;
    // delta [0,0] will do fine with position: fixed elements,
    // position:absolute needs offsetParent deltas
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = element.getOffsetParent();
      delta = parent.viewportOffset();
    }

    // correct by body offsets (fixes Safari)
    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    // set position
    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
    return element;
  }
};

Element.Methods.identify.counter = 1;

Object.extend(Element.Methods, {
  getElementsBySelector: Element.Methods.select,
  childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
  write: {
    names: {
      className: 'class',
      htmlFor:   'for'
    },
    values: { }
  }
};

if (Prototype.Browser.Opera) {
  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
    function(proceed, element, style) {
      switch (style) {
        case 'left': case 'top': case 'right': case 'bottom':
          if (proceed(element, 'position') === 'static') return null;
        case 'height': case 'width':
          // returns '0px' for hidden elements; we want it to return null
          if (!Element.visible(element)) return null;

          // returns the border-box dimensions rather than the content-box
          // dimensions, so we subtract padding and borders from the value
          var dim = parseInt(proceed(element, style), 10);

          if (dim !== element['offset' + style.capitalize()])
            return dim + 'px';

          var properties;
          if (style === 'height') {
            properties = ['border-top-width', 'padding-top',
             'padding-bottom', 'border-bottom-width'];
          }
          else {
            properties = ['border-left-width', 'padding-left',
             'padding-right', 'border-right-width'];
          }
          return properties.inject(dim, function(memo, property) {
            var val = proceed(element, property);
            return val === null ? memo : memo - parseInt(val, 10);
          }) + 'px';
        default: return proceed(element, style);
      }
    }
  );

  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
    function(proceed, element, attribute) {
      if (attribute === 'title') return element.title;
      return proceed(element, attribute);
    }
  );
}

else if (Prototype.Browser.IE) {
  // IE doesn't report offsets correctly for static elements, so we change them
  // to "relative" to get the values, then change them back.
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      // IE throws an error if element is not in document
      try { element.offsetParent }
      catch(e) { return $(document.body) }
      var position = element.getStyle('position');
      if (position !== 'static') return proceed(element);
      element.setStyle({ position: 'relative' });
      var value = proceed(element);
      element.setStyle({ position: position });
      return value;
    }
  );

  $w('positionedOffset viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        try { element.offsetParent }
        catch(e) { return Element._returnOffset(0,0) }
        var position = element.getStyle('position');
        if (position !== 'static') return proceed(element);
        // Trigger hasLayout on the offset parent so that IE6 reports
        // accurate offsetTop and offsetLeft values for position: fixed.
        var offsetParent = element.getOffsetParent();
        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
          offsetParent.setStyle({ zoom: 1 });
        element.setStyle({ position: 'relative' });
        var value = proceed(element);
        element.setStyle({ position: position });
        return value;
      }
    );
  });

  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
    function(proceed, element) {
      try { element.offsetParent }
      catch(e) { return Element._returnOffset(0,0) }
      return proceed(element);
    }
  );

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

    if (style == 'opacity') {
      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
        if (value[1]) return parseFloat(value[1]) / 100;
      return 1.0;
    }

    if (value == 'auto') {
      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
        return element['offset' + style.capitalize()] + 'px';
      return null;
    }
    return value;
  };

  Element.Methods.setOpacity = function(element, value) {
    function stripAlpha(filter){
      return filter.replace(/alpha\([^\)]*\)/gi,'');
    }
    element = $(element);
    var currentStyle = element.currentStyle;
    if ((currentStyle && !currentStyle.hasLayout) ||
      (!currentStyle && element.style.zoom == 'normal'))
        element.style.zoom = 1;

    var filter = element.getStyle('filter'), style = element.style;
    if (value == 1 || value === '') {
      (filter = stripAlpha(filter)) ?
        style.filter = filter : style.removeAttribute('filter');
      return element;
    } else if (value < 0.00001) value = 0;
    style.filter = stripAlpha(filter) +
      'alpha(opacity=' + (value * 100) + ')';
    return element;
  };

  Element._attributeTranslations = {
    read: {
      names: {
        'class': 'className',
        'for':   'htmlFor'
      },
      values: {
        _getAttr: function(element, attribute) {
          return element.getAttribute(attribute, 2);
        },
        _getAttrNode: function(element, attribute) {
          var node = element.getAttributeNode(attribute);
          return node ? node.value : "";
        },
        _getEv: function(element, attribute) {
          attribute = element.getAttribute(attribute);
          return attribute ? attribute.toString().slice(23, -2) : null;
        },
        _flag: function(element, attribute) {
          return $(element).hasAttribute(attribute) ? attribute : null;
        },
        style: function(element) {
          return element.style.cssText.toLowerCase();
        },
        title: function(element) {
          return element.title;
        }
      }
    }
  };

  Element._attributeTranslations.write = {
    names: Object.extend({
      cellpadding: 'cellPadding',
      cellspacing: 'cellSpacing'
    }, Element._attributeTranslations.read.names),
    values: {
      checked: function(element, value) {
        element.checked = !!value;
      },

      style: function(element, value) {
        element.style.cssText = value ? value : '';
      }
    }
  };

  Element._attributeTranslations.has = {};

  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

  (function(v) {
    Object.extend(v, {
      href:        v._getAttr,
      src:         v._getAttr,
      type:        v._getAttr,
      action:      v._getAttrNode,
      disabled:    v._flag,
      checked:     v._flag,
      readonly:    v._flag,
      multiple:    v._flag,
      onload:      v._getEv,
      onunload:    v._getEv,
      onclick:     v._getEv,
      ondblclick:  v._getEv,
      onmousedown: v._getEv,
      onmouseup:   v._getEv,
      onmouseover: v._getEv,
      onmousemove: v._getEv,
      onmouseout:  v._getEv,
      onfocus:     v._getEv,
      onblur:      v._getEv,
      onkeypress:  v._getEv,
      onkeydown:   v._getEv,
      onkeyup:     v._getEv,
      onsubmit:    v._getEv,
      onreset:     v._getEv,
      onselect:    v._getEv,
      onchange:    v._getEv
    });
  })(Element._attributeTranslations.read.values);
}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
    return element;
  };
}

else if (Prototype.Browser.WebKit) {
  Element.Methods.setOpacity = function(element, value) {
    element = $(element);
    element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;

    if (value == 1)
      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
        element.width++; element.width--;
      } else try {
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
      } catch (e) { }

    return element;
  };

  // Safari returns margins on body which is incorrect if the child is absolutely
  // positioned.  For performance reasons, redefine Element#cumulativeOffset for
  // KHTML/WebKit only.
  Element.Methods.cumulativeOffset = function(element) {
    var valueT = 0, valueL = 0;
    do {
      valueT += element.offsetTop  || 0;
      valueL += element.offsetLeft || 0;
      if (element.offsetParent == document.body)
        if (Element.getStyle(element, 'position') == 'absolute') break;

      element = element.offsetParent;
    } while (element);

    return Element._returnOffset(valueL, valueT);
  };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
  // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
  Element.Methods.update = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) return element.update().insert(content);

    content = Object.toHTML(content);
    var tagName = element.tagName.toUpperCase();

    if (tagName in Element._insertionTranslations.tags) {
      $A(element.childNodes).each(function(node) { element.removeChild(node) });
      Element._getContentFromAnonymousElement(tagName, content.stripScripts())
        .each(function(node) { element.appendChild(node) });
    }
    else element.innerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

if ('outerHTML' in document.createElement('div')) {
  Element.Methods.replace = function(element, content) {
    element = $(element);

    if (content && content.toElement) content = content.toElement();
    if (Object.isElement(content)) {
      element.parentNode.replaceChild(content, element);
      return element;
    }

    content = Object.toHTML(content);
    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

    if (Element._insertionTranslations.tags[tagName]) {
      var nextSibling = element.next();
      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
      parent.removeChild(element);
      if (nextSibling)
        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
      else
        fragments.each(function(node) { parent.appendChild(node) });
    }
    else element.outerHTML = content.stripScripts();

    content.evalScripts.bind(content).defer();
    return element;
  };
}

Element._returnOffset = function(l, t) {
  var result = [l, t];
  result.left = l;
  result.top = t;
  return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  if (t) {
    div.innerHTML = t[0] + html + t[1];
    t[2].times(function() { div = div.firstChild });
  } else div.innerHTML = html;
  return $A(div.childNodes);
};

Element._insertionTranslations = {
  before: function(element, node) {
    element.parentNode.insertBefore(node, element);
  },
  top: function(element, node) {
    element.insertBefore(node, element.firstChild);
  },
  bottom: function(element, node) {
    element.appendChild(node);
  },
  after: function(element, node) {
    element.parentNode.insertBefore(node, element.nextSibling);
  },
  tags: {
    TABLE:  ['<table>',                '</table>',                   1],
    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
    SELECT: ['<select>',               '</select>',                  1]
  }
};

(function() {
  Object.extend(this.tags, {
    THEAD: this.tags.TBODY,
    TFOOT: this.tags.TBODY,
    TH:    this.tags.TD
  });
}).call(Element._insertionTranslations);

Element.Methods.Simulated = {
  hasAttribute: function(element, attribute) {
    attribute = Element._attributeTranslations.has[attribute] || attribute;
    var node = $(element).getAttributeNode(attribute);
    return !!(node && node.specified);
  }
};

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
    document.createElement('div')['__proto__']) {
  window.HTMLElement = { };
  window.HTMLElement.prototype = document.createElement('div')['__proto__'];
  Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

  var Methods = { }, ByTag = Element.Methods.ByTag;

  var extend = Object.extend(function(element) {
    if (!element || element._extendedByPrototype ||
        element.nodeType != 1 || element == window) return element;

    var methods = Object.clone(Methods),
      tagName = element.tagName.toUpperCase(), property, value;

    // extend methods for specific tags
    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    for (property in methods) {
      value = methods[property];
      if (Object.isFunction(value) && !(property in element))
        element[property] = value.methodize();
    }

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      // extend methods for all tags (Safari doesn't need this)
      if (!Prototype.BrowserFeatures.ElementExtensions) {
        Object.extend(Methods, Element.Methods);
        Object.extend(Methods, Element.Methods.Simulated);
      }
    }
  });

  extend.refresh();
  return extend;
})();

Element.hasAttribute = function(element, attribute) {
  if (element.hasAttribute) return element.hasAttribute(attribute);
  return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

  if (!methods) {
    Object.extend(Form, Form.Methods);
    Object.extend(Form.Element, Form.Element.Methods);
    Object.extend(Element.Methods.ByTag, {
      "FORM":     Object.clone(Form.Methods),
      "INPUT":    Object.clone(Form.Element.Methods),
      "SELECT":   Object.clone(Form.Element.Methods),
      "TEXTAREA": Object.clone(Form.Element.Methods)
    });
  }

  if (arguments.length == 2) {
    var tagName = methods;
    methods = arguments[1];
  }

  if (!tagName) Object.extend(Element.Methods, methods || { });
  else {
    if (Object.isArray(tagName)) tagName.each(extend);
    else extend(tagName);
  }

  function extend(tagName) {
    tagName = tagName.toUpperCase();
    if (!Element.Methods.ByTag[tagName])
      Element.Methods.ByTag[tagName] = { };
    Object.extend(Element.Methods.ByTag[tagName], methods);
  }

  function copy(methods, destination, onlyIfAbsent) {
    onlyIfAbsent = onlyIfAbsent || false;
    for (var property in methods) {
      var value = methods[property];
      if (!Object.isFunction(value)) continue;
      if (!onlyIfAbsent || !(property in destination))
        destination[property] = value.methodize();
    }
  }

  function findDOMClass(tagName) {
    var klass;
    var trans = {
      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
    };
    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName + 'Element';
    if (window[klass]) return window[klass];
    klass = 'HTML' + tagName.capitalize() + 'Element';
    if (window[klass]) return window[klass];

    window[klass] = { };
    window[klass].prototype = document.createElement(tagName)['__proto__'];
    return window[klass];
  }

  if (F.ElementExtensions) {
    copy(Element.Methods, HTMLElement.prototype);
    copy(Element.Methods.Simulated, HTMLElement.prototype, true);
  }

  if (F.SpecificElementExtensions) {
    for (var tag in Element.Methods.ByTag) {
      var klass = findDOMClass(tag);
      if (Object.isUndefined(klass)) continue;
      copy(T[tag], klass.prototype);
    }
  }

  Object.extend(Element, Element.Methods);
  delete Element.ByTag;

  if (Element.extend.refresh) Element.extend.refresh();
  Element.cache = { };
};

document.viewport = {
  getDimensions: function() {
    var dimensions = { }, B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      if (B.WebKit && !document.evaluate) {
        // Safari <3.0 needs self.innerWidth/Height
        dimensions[d] = self['inner' + D];
      } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
        // Opera <9.5 needs document.body.clientWidth/Height
        dimensions[d] = document.body['client' + D]
      } else {
        dimensions[d] = document.documentElement['client' + D];
      }
    });
    return dimensions;
  },

  getWidth: function() {
    return this.getDimensions().width;
  },

  getHeight: function() {
    return this.getDimensions().height;
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create({
  initialize: function(expression) {
    this.expression = expression.strip();

    if (this.shouldUseSelectorsAPI()) {
      this.mode = 'selectorsAPI';
    } else if (this.shouldUseXPath()) {
      this.mode = 'xpath';
      this.compileXPathMatcher();
    } else {
      this.mode = "normal";
      this.compileMatcher();
    }

  },

  shouldUseXPath: function() {
    if (!Prototype.BrowserFeatures.XPath) return false;

    var e = this.expression;

    // Safari 3 chokes on :*-of-type and :empty
    if (Prototype.Browser.WebKit &&
     (e.include("-of-type") || e.include(":empty")))
      return false;

    // XPath can't do namespaced attributes, nor can it read
    // the "checked" property from DOM nodes
    if ((/(\[[\w-]*?:|:checked)/).test(e))
      return false;

    return true;
  },

  shouldUseSelectorsAPI: function() {
    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;

    if (!Selector._div) Selector._div = new Element('div');

    // Make sure the browser treats the selector as valid. Test on an
    // isolated element to minimize cost of this check.
    try {
      Selector._div.querySelector(this.expression);
    } catch(e) {
      return false;
    }

    return true;
  },

  compileMatcher: function() {
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

    if (Selector._cache[e]) {
      this.matcher = Selector._cache[e];
      return;
    }

    this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[i]) ? c[i](m) :
            new Template(c[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.matcher.push("return h.unique(n);\n}");
    eval(this.matcher.join('\n'));
    Selector._cache[this.expression] = this.matcher;
  },

  compileXPathMatcher: function() {
    var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

    if (Selector._cache[e]) {
      this.xpath = Selector._cache[e]; return;
    }

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        if (m = e.match(ps[i])) {
          this.matcher.push(Object.isFunction(x[i]) ? x[i](m) :
            new Template(x[i]).evaluate(m));
          e = e.replace(m[0], '');
          break;
        }
      }
    }

    this.xpath = this.matcher.join('');
    Selector._cache[this.expression] = this.xpath;
  },

  findElements: function(root) {
    root = root || document;
    var e = this.expression, results;

    switch (this.mode) {
      case 'selectorsAPI':
        // querySelectorAll queries document-wide, then filters to descendants
        // of the context element. That's not what we want.
        // Add an explicit context to the selector if necessary.
        if (root !== document) {
          var oldId = root.id, id = $(root).identify();
          e = "#" + id + " " + e;
        }

        results = $A(root.querySelectorAll(e)).map(Element.extend);
        root.id = oldId;

        return results;
      case 'xpath':
        return document._getElementsByXPath(this.xpath, root);
      default:
       return this.matcher(root);
    }
  },

  match: function(element) {
    this.tokens = [];

    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
    var le, p, m;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i in ps) {
        p = ps[i];
        if (m = e.match(p)) {
          // use the Selector.assertions methods unless the selector
          // is too complex.
          if (as[i]) {
            this.tokens.push([i, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            // reluctantly do a document-wide search
            // and look for a match in the array
            return this.findElements(document).include(element);
          }
        }
      }
    }

    var match = true, name, matches;
    for (var i = 0, token; token = this.tokens[i]; i++) {
      name = token[0], matches = token[1];
      if (!Selector.assertions[name](element, matches)) {
        match = false; break;
      }
    }

    return match;
  },

  toString: function() {
    return this.expression;
  },

  inspect: function() {
    return "#<Selector:" + this.expression.inspect() + ">";
  }
});

Object.extend(Selector, {
  _cache: { },

  xpath: {
    descendant:   "//*",
    child:        "/*",
    adjacent:     "/following-sibling::*[1]",
    laterSibling: '/following-sibling::*',
    tagName:      function(m) {
      if (m[1] == '*') return '';
      return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
    },
    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
    id:           "[@id='#{1}']",
    attrPresence: function(m) {
      m[1] = m[1].toLowerCase();
      return new Template("[@#{1}]").evaluate(m);
    },
    attr: function(m) {
      m[1] = m[1].toLowerCase();
      m[3] = m[5] || m[6];
      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
    },
    pseudo: function(m) {
      var h = Selector.xpath.pseudos[m[1]];
      if (!h) return '';
      if (Object.isFunction(h)) return h(m);
      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
    },
    operators: {
      '=':  "[@#{1}='#{3}']",
      '!=': "[@#{1}!='#{3}']",
      '^=': "[starts-with(@#{1}, '#{3}')]",
      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
      '*=': "[contains(@#{1}, '#{3}')]",
      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
    },
    pseudos: {
      'first-child': '[not(preceding-sibling::*)]',
      'last-child':  '[not(following-sibling::*)]',
      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
      'checked':     "[@checked]",
      'disabled':    "[(@disabled) and (@type!='hidden')]",
      'enabled':     "[not(@disabled) and (@type!='hidden')]",
      'not': function(m) {
        var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, v;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i in p) {
            if (m = e.match(p[i])) {
              v = Object.isFunction(x[i]) ? x[i](m) : new Template(x[i]).evaluate(m);
              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
              e = e.replace(m[0], '');
              break;
            }
          }
        }
        return "[not(" + exclusion.join(" and ") + ")]";
      },
      'nth-child':      function(m) {
        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
      },
      'nth-last-child': function(m) {
        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
      },
      'nth-of-type':    function(m) {
        return Selector.xpath.pseudos.nth("position() ", m);
      },
      'nth-last-of-type': function(m) {
        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
      },
      'first-of-type':  function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
      },
      'last-of-type':   function(m) {
        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
      },
      'only-of-type':   function(m) {
        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
      },
      nth: function(fragment, m) {
        var mm, formula = m[6], predicate;
        if (formula == 'even') formula = '2n+0';
        if (formula == 'odd')  formula = '2n+1';
        if (mm = formula.match(/^(\d+)$/)) // digit only
          return '[' + fragment + "= " + mm[1] + ']';
        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
          if (mm[1] == "-") mm[1] = -1;
          var a = mm[1] ? Number(mm[1]) : 1;
          var b = mm[2] ? Number(mm[2]) : 0;
          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
          return new Template(predicate).evaluate({
            fragment: fragment, a: a, b: b });
        }
      }
    }
  },

  criteria: {
    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
    attr: function(m) {
      m[3] = (m[5] || m[6]);
      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
    },
    pseudo: function(m) {
      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
    },
    descendant:   'c = "descendant";',
    child:        'c = "child";',
    adjacent:     'c = "adjacent";',
    laterSibling: 'c = "laterSibling";'
  },

  patterns: {
    // combinators must be listed first
    // (and descendant needs to be last combinator)
    laterSibling: /^\s*~\s*/,
    child:        /^\s*>\s*/,
    adjacent:     /^\s*\+\s*/,
    descendant:   /^\s/,

    // selectors follow
    tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
    id:           /^#([\w\-\*]+)(\b|$)/,
    className:    /^\.([\w\-\*]+)(\b|$)/,
    pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
    attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
    attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
  },

  // for Selector.match and Element#match
  assertions: {
    tagName: function(element, matches) {
      return matches[1].toUpperCase() == element.tagName.toUpperCase();
    },

    className: function(element, matches) {
      return Element.hasClassName(element, matches[1]);
    },

    id: function(element, matches) {
      return element.id === matches[1];
    },

    attrPresence: function(element, matches) {
      return Element.hasAttribute(element, matches[1]);
    },

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
    }
  },

  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

    // marks an array of nodes for counting
    mark: function(nodes) {
      var _true = Prototype.emptyFunction;
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = _true;
      return nodes;
    },

    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node._countedByPrototype = undefined;
      return nodes;
    },

    // mark each child node with its position (for nth calls)
    // "ofType" flag indicates whether we're indexing for nth-of-type
    // rather than nth-child
    index: function(parentNode, reverse, ofType) {
      parentNode._countedByPrototype = Prototype.emptyFunction;
      if (reverse) {
        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
          var node = nodes[i];
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
        }
      } else {
        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
      }
    },

    // filters out duplicates and extends all nodes
    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (!(n = nodes[i])._countedByPrototype) {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    // COMBINATOR FUNCTIONS
    descendant: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, node.getElementsByTagName('*'));
      return results;
    },

    child: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        for (var j = 0, child; child = node.childNodes[j]; j++)
          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
      }
      return results;
    },

    adjacent: function(nodes) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        var next = this.nextElementSibling(node);
        if (next) results.push(next);
      }
      return results;
    },

    laterSibling: function(nodes) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        h.concat(results, Element.nextSiblings(node));
      return results;
    },

    nextElementSibling: function(node) {
      while (node = node.nextSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    previousElementSibling: function(node) {
      while (node = node.previousSibling)
        if (node.nodeType == 1) return node;
      return null;
    },

    // TOKEN FUNCTIONS
    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          // fastlane for ordinary descendant combinators
          if (combinator == "descendant") {
            for (var i = 0, node; node = nodes[i]; i++)
              h.concat(results, node.getElementsByTagName(tagName));
            return results;
          } else nodes = this[combinator](nodes);
          if (tagName == "*") return nodes;
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName.toUpperCase() === uTagName) results.push(node);
        return results;
      } else return root.getElementsByTagName(tagName);
    },

    id: function(nodes, root, id, combinator) {
      var targetNode = $(id), h = Selector.handlers;
      if (!targetNode) return [];
      if (!nodes && root == document) return [targetNode];
      if (nodes) {
        if (combinator) {
          if (combinator == 'child') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (targetNode.parentNode == node) return [targetNode];
          } else if (combinator == 'descendant') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Element.descendantOf(targetNode, node)) return [targetNode];
          } else if (combinator == 'adjacent') {
            for (var i = 0, node; node = nodes[i]; i++)
              if (Selector.handlers.previousElementSibling(targetNode) == node)
                return [targetNode];
          } else nodes = h[combinator](nodes);
        }
        for (var i = 0, node; node = nodes[i]; i++)
          if (node == targetNode) return [targetNode];
        return [];
      }
      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
    },

    className: function(nodes, root, className, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      return Selector.handlers.byClassName(nodes, root, className);
    },

    byClassName: function(nodes, root, className) {
      if (!nodes) nodes = Selector.handlers.descendant([root]);
      var needle = ' ' + className + ' ';
      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
        nodeClassName = node.className;
        if (nodeClassName.length == 0) continue;
        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
          results.push(node);
      }
      return results;
    },

    attrPresence: function(nodes, root, attr, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var results = [];
      for (var i = 0, node; node = nodes[i]; i++)
        if (Element.hasAttribute(node, attr)) results.push(node);
      return results;
    },

    attr: function(nodes, root, attr, value, operator, combinator) {
      if (!nodes) nodes = root.getElementsByTagName("*");
      if (nodes && combinator) nodes = this[combinator](nodes);
      var handler = Selector.operators[operator], results = [];
      for (var i = 0, node; node = nodes[i]; i++) {
        var nodeValue = Element.readAttribute(node, attr);
        if (nodeValue === null) continue;
        if (handler(nodeValue, value)) results.push(node);
      }
      return results;
    },

    pseudo: function(nodes, name, value, root, combinator) {
      if (nodes && combinator) nodes = this[combinator](nodes);
      if (!nodes) nodes = root.getElementsByTagName("*");
      return Selector.pseudos[name](nodes, value, root);
    }
  },

  pseudos: {
    'first-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.previousElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'last-child': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        if (Selector.handlers.nextElementSibling(node)) continue;
          results.push(node);
      }
      return results;
    },
    'only-child': function(nodes, value, root) {
      var h = Selector.handlers;
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
          results.push(node);
      return results;
    },
    'nth-child':        function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root);
    },
    'nth-last-child':   function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true);
    },
    'nth-of-type':      function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, false, true);
    },
    'nth-last-of-type': function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, formula, root, true, true);
    },
    'first-of-type':    function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, false, true);
    },
    'last-of-type':     function(nodes, formula, root) {
      return Selector.pseudos.nth(nodes, "1", root, true, true);
    },
    'only-of-type':     function(nodes, formula, root) {
      var p = Selector.pseudos;
      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
    },

    // handles the an+b logic
    getIndices: function(a, b, total) {
      if (a == 0) return b > 0 ? [b] : [];
      return $R(1, total).inject([], function(memo, i) {
        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
        return memo;
      });
    },

    // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
    nth: function(nodes, formula, root, reverse, ofType) {
      if (nodes.length == 0) return [];
      if (formula == 'even') formula = '2n+0';
      if (formula == 'odd')  formula = '2n+1';
      var h = Selector.handlers, results = [], indexed = [], m;
      h.mark(nodes);
      for (var i = 0, node; node = nodes[i]; i++) {
        if (!node.parentNode._countedByPrototype) {
          h.index(node.parentNode, reverse, ofType);
          indexed.push(node.parentNode);
        }
      }
      if (formula.match(/^\d+$/)) { // just a number
        formula = Number(formula);
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.nodeIndex == formula) results.push(node);
      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
        if (m[1] == "-") m[1] = -1;
        var a = m[1] ? Number(m[1]) : 1;
        var b = m[2] ? Number(m[2]) : 0;
        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
          for (var j = 0; j < l; j++)
            if (node.nodeIndex == indices[j]) results.push(node);
        }
      }
      h.unmark(nodes);
      h.unmark(indexed);
      return results;
    },

    'empty': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++) {
        // IE treats comments as element nodes
        if (node.tagName == '!' || node.firstChild) continue;
        results.push(node);
      }
      return results;
    },

    'not': function(nodes, selector, root) {
      var h = Selector.handlers, selectorType, m;
      var exclusions = new Selector(selector).findElements(root);
      h.mark(exclusions);
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node._countedByPrototype) results.push(node);
      h.unmark(exclusions);
      return results;
    },

    'enabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (!node.disabled && (!node.type || node.type !== 'hidden'))
          results.push(node);
      return results;
    },

    'disabled': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.disabled) results.push(node);
      return results;
    },

    'checked': function(nodes, value, root) {
      for (var i = 0, results = [], node; node = nodes[i]; i++)
        if (node.checked) results.push(node);
      return results;
    }
  },

  operators: {
    '=':  function(nv, v) { return nv == v; },
    '!=': function(nv, v) { return nv != v; },
    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
    '$=': function(nv, v) { return nv.endsWith(v); },
    '*=': function(nv, v) { return nv.include(v); },
    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
     '-').include('-' + (v || "").toUpperCase() + '-'); }
  },

  split: function(expression) {
    var expressions = [];
    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
      expressions.push(m[1].strip());
    });
    return expressions;
  },

  matchElements: function(elements, expression) {
    var matches = $$(expression), h = Selector.handlers;
    h.mark(matches);
    for (var i = 0, results = [], element; element = elements[i]; i++)
      if (element._countedByPrototype) results.push(element);
    h.unmark(matches);
    return results;
  },

  findElement: function(elements, expression, index) {
    if (Object.isNumber(expression)) {
      index = expression; expression = false;
    }
    return Selector.matchElements(elements, expression || '*')[index || 0];
  },

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

if (Prototype.Browser.IE) {
  Object.extend(Selector.handlers, {
    // IE returns comment nodes on getElementsByTagName("*").
    // Filter them out.
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    },

    // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
    unmark: function(nodes) {
      for (var i = 0, node; node = nodes[i]; i++)
        node.removeAttribute('_countedByPrototype');
      return nodes;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}
var Form = {
  reset: function(form) {
    $(form).reset();
    return form;
  },

  serializeElements: function(elements, options) {
    if (typeof options != 'object') options = { hash: !!options };
    else if (Object.isUndefined(options.hash)) options.hash = true;
    var key, value, submitted = false, submit = options.submit;

    var data = elements.inject({ }, function(result, element) {
      if (!element.disabled && element.name) {
        key = element.name; value = $(element).getValue();
        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            // a key is already present; construct an array of values
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

    return options.hash ? data : Object.toQueryString(data);
  }
};

Form.Methods = {
  serialize: function(form, options) {
    return Form.serializeElements(Form.getElements(form), options);
  },

  getElements: function(form) {
    return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
        if (Form.Element.Serializers[child.tagName.toLowerCase()])
          elements.push(Element.extend(child));
        return elements;
      }
    );
  },

  getInputs: function(form, typeName, name) {
    form = $(form);
    var inputs = form.getElementsByTagName('input');

    if (!typeName && !name) return $A(inputs).map(Element.extend);

    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
      var input = inputs[i];
      if ((typeName && input.type != typeName) || (name && input.name != name))
        continue;
      matchingInputs.push(Element.extend(input));
    }

    return matchingInputs;
  },

  disable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('disable');
    return form;
  },

  enable: function(form) {
    form = $(form);
    Form.getElements(form).invoke('enable');
    return form;
  },

  findFirstElement: function(form) {
    var elements = $(form).getElements().findAll(function(element) {
      return 'hidden' != element.type && !element.disabled;
    });
    var firstByIndex = elements.findAll(function(element) {
      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
    }).sortBy(function(element) { return element.tabIndex }).first();

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

  focusFirstElement: function(form) {
    form = $(form);
    form.findFirstElement().activate();
    return form;
  },

  request: function(form, options) {
    form = $(form), options = Object.clone(options || { });

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

    if (params) {
      if (Object.isString(params)) params = params.toQueryParams();
      Object.extend(options.parameters, params);
    }

    if (form.hasAttribute('method') && !options.method)
      options.method = form.method;

    return new Ajax.Request(action, options);
  }
};

/*--------------------------------------------------------------------------*/

Form.Element = {
  focus: function(element) {
    $(element).focus();
    return element;
  },

  select: function(element) {
    $(element).select();
    return element;
  }
};

Form.Element.Methods = {
  serialize: function(element) {
    element = $(element);
    if (!element.disabled && element.name) {
      var value = element.getValue();
      if (value != undefined) {
        var pair = { };
        pair[element.name] = value;
        return Object.toQueryString(pair);
      }
    }
    return '';
  },

  getValue: function(element) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    return Form.Element.Serializers[method](element);
  },

  setValue: function(element, value) {
    element = $(element);
    var method = element.tagName.toLowerCase();
    Form.Element.Serializers[method](element, value);
    return element;
  },

  clear: function(element) {
    $(element).value = '';
    return element;
  },

  present: function(element) {
    return $(element).value != '';
  },

  activate: function(element) {
    element = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !['button', 'reset', 'submit'].include(element.type)))
        element.select();
    } catch (e) { }
    return element;
  },

  disable: function(element) {
    element = $(element);
    element.disabled = true;
    return element;
  },

  enable: function(element) {
    element = $(element);
    element.disabled = false;
    return element;
  }
};

/*--------------------------------------------------------------------------*/

var Field = Form.Element;
var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
  input: function(element, value) {
    switch (element.type.toLowerCase()) {
      case 'checkbox':
      case 'radio':
        return Form.Element.Serializers.inputSelector(element, value);
      default:
        return Form.Element.Serializers.textarea(element, value);
    }
  },

  inputSelector: function(element, value) {
    if (Object.isUndefined(value)) return element.checked ? element.value : null;
    else element.checked = !!value;
  },

  textarea: function(element, value) {
    if (Object.isUndefined(value)) return element.value;
    else element.value = value;
  },

  select: function(element, value) {
    if (Object.isUndefined(value))
      return this[element.type == 'select-one' ?
        'selectOne' : 'selectMany'](element);
    else {
      var opt, currentValue, single = !Object.isArray(value);
      for (var i = 0, length = element.length; i < length; i++) {
        opt = element.options[i];
        currentValue = this.optionValue(opt);
        if (single) {
          if (currentValue == value) {
            opt.selected = true;
            return;
          }
        }
        else opt.selected = value.include(currentValue);
      }
    }
  },

  selectOne: function(element) {
    var index = element.selectedIndex;
    return index >= 0 ? this.optionValue(element.options[index]) : null;
  },

  selectMany: function(element) {
    var values, length = element.length;
    if (!length) return null;

    for (var i = 0, values = []; i < length; i++) {
      var opt = element.options[i];
      if (opt.selected) values.push(this.optionValue(opt));
    }
    return values;
  },

  optionValue: function(opt) {
    // extend element because hasAttribute may not be native
    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  }
};

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  initialize: function($super, element, frequency, callback) {
    $super(callback, frequency);
    this.element   = $(element);
    this.lastValue = this.getValue();
  },

  execute: function() {
    var value = this.getValue();
    if (Object.isString(this.lastValue) && Object.isString(value) ?
        this.lastValue != value : String(this.lastValue) != String(value)) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  }
});

Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.Observer = Class.create(Abstract.TimedObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = Class.create({
  initialize: function(element, callback) {
    this.element  = $(element);
    this.callback = callback;

    this.lastValue = this.getValue();
    if (this.element.tagName.toLowerCase() == 'form')
      this.registerFormCallbacks();
    else
      this.registerCallback(this.element);
  },

  onElementEvent: function() {
    var value = this.getValue();
    if (this.lastValue != value) {
      this.callback(this.element, value);
      this.lastValue = value;
    }
  },

  registerFormCallbacks: function() {
    Form.getElements(this.element).each(this.registerCallback, this);
  },

  registerCallback: function(element) {
    if (element.type) {
      switch (element.type.toLowerCase()) {
        case 'checkbox':
        case 'radio':
          Event.observe(element, 'click', this.onElementEvent.bind(this));
          break;
        default:
          Event.observe(element, 'change', this.onElementEvent.bind(this));
          break;
      }
    }
  }
});

Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.Element.getValue(this.element);
  }
});

Form.EventObserver = Class.create(Abstract.EventObserver, {
  getValue: function() {
    return Form.serialize(this.element);
  }
});
if (!window.Event) var Event = { };

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,
  KEY_INSERT:   45,

  cache: { },

  relatedTarget: function(event) {
    var element;
    switch(event.type) {
      case 'mouseover': element = event.fromElement; break;
      case 'mouseout':  element = event.toElement;   break;
      default: return null;
    }
    return Element.extend(element);
  }
});

Event.Methods = (function() {
  var isButton;

  if (Prototype.Browser.IE) {
    var buttonMap = { 0: 1, 1: 4, 2: 2 };
    isButton = function(event, code) {
      return event.button == buttonMap[code];
    };

  } else if (Prototype.Browser.WebKit) {
    isButton = function(event, code) {
      switch (code) {
        case 0: return event.which == 1 && !event.metaKey;
        case 1: return event.which == 1 && event.metaKey;
        default: return false;
      }
    };

  } else {
    isButton = function(event, code) {
      return event.which ? (event.which === code + 1) : (event.button === code);
    };
  }

  return {
    isLeftClick:   function(event) { return isButton(event, 0) },
    isMiddleClick: function(event) { return isButton(event, 1) },
    isRightClick:  function(event) { return isButton(event, 2) },

    element: function(event) {
      event = Event.extend(event);

      var node          = event.target,
          type          = event.type,
          currentTarget = event.currentTarget;

      if (currentTarget && currentTarget.tagName) {
        // Firefox screws up the "click" event when moving between radio buttons
        // via arrow keys. It also screws up the "load" and "error" events on images,
        // reporting the document as the target instead of the original image.
        if (type === 'load' || type === 'error' ||
          (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
            && currentTarget.type === 'radio'))
              node = currentTarget;
      }
      if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
      return Element.extend(node);
    },

    findElement: function(event, expression) {
      var element = Event.element(event);
      if (!expression) return element;
      var elements = [element].concat(element.ancestors());
      return Selector.findElement(elements, expression, 0);
    },

    pointer: function(event) {
      var docElement = document.documentElement,
      body = document.body || { scrollLeft: 0, scrollTop: 0 };
      return {
        x: event.pageX || (event.clientX +
          (docElement.scrollLeft || body.scrollLeft) -
          (docElement.clientLeft || 0)),
        y: event.pageY || (event.clientY +
          (docElement.scrollTop || body.scrollTop) -
          (docElement.clientTop || 0))
      };
    },

    pointerX: function(event) { return Event.pointer(event).x },
    pointerY: function(event) { return Event.pointer(event).y },

    stop: function(event) {
      Event.extend(event);
      event.preventDefault();
      event.stopPropagation();
      event.stopped = true;
    }
  };
})();

Event.extend = (function() {
  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
    m[name] = Event.Methods[name].methodize();
    return m;
  });

  if (Prototype.Browser.IE) {
    Object.extend(methods, {
      stopPropagation: function() { this.cancelBubble = true },
      preventDefault:  function() { this.returnValue = false },
      inspect: function() { return "[object Event]" }
    });

    return function(event) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);
      Object.extend(event, {
        target: event.srcElement,
        relatedTarget: Event.relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });
      return Object.extend(event, methods);
    };

  } else {
    Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
    Object.extend(Event.prototype, methods);
    return Prototype.K;
  }
})();

Object.extend(Event, (function() {
  var cache = Event.cache;

  function getEventID(element) {
    if (element._prototypeEventID) return element._prototypeEventID[0];
    arguments.callee.id = arguments.callee.id || 1;
    return element._prototypeEventID = [++arguments.callee.id];
  }

  function getDOMEventName(eventName) {
    if (eventName && eventName.include(':')) return "dataavailable";
    return eventName;
  }

  function getCacheForID(id) {
    return cache[id] = cache[id] || { };
  }

  function getWrappersForEventName(id, eventName) {
    var c = getCacheForID(id);
    return c[eventName] = c[eventName] || [];
  }

  function createWrapper(element, eventName, handler) {
    var id = getEventID(element);
    var c = getWrappersForEventName(id, eventName);
    if (c.pluck("handler").include(handler)) return false;

    var wrapper = function(event) {
      if (!Event || !Event.extend ||
        (event.eventName && event.eventName != eventName))
          return false;

      Event.extend(event);
      handler.call(element, event);
    };

    wrapper.handler = handler;
    c.push(wrapper);
    return wrapper;
  }

  function findWrapper(id, eventName, handler) {
    var c = getWrappersForEventName(id, eventName);
    return c.find(function(wrapper) { return wrapper.handler == handler });
  }

  function destroyWrapper(id, eventName, handler) {
    var c = getCacheForID(id);
    if (!c[eventName]) return false;
    c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
  }

  function destroyCache() {
    for (var id in cache)
      for (var eventName in cache[id])
        cache[id][eventName] = null;
  }


  // Internet Explorer needs to remove event handlers on page unload
  // in order to avoid memory leaks.
  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

  // Safari has a dummy event handler on page unload so that it won't
  // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
  // object when page is returned to via the back button using its bfcache.
  if (Prototype.Browser.WebKit) {
    window.addEventListener('unload', Prototype.emptyFunction, false);
  }

  return {
    observe: function(element, eventName, handler) {
      element = $(element);
      var name = getDOMEventName(eventName);

      var wrapper = createWrapper(element, eventName, handler);
      if (!wrapper) return element;

      if (element.addEventListener) {
        element.addEventListener(name, wrapper, false);
      } else {
        element.attachEvent("on" + name, wrapper);
      }

      return element;
    },

    stopObserving: function(element, eventName, handler) {
      element = $(element);
      var id = getEventID(element), name = getDOMEventName(eventName);

      if (!handler && eventName) {
        getWrappersForEventName(id, eventName).each(function(wrapper) {
          element.stopObserving(eventName, wrapper.handler);
        });
        return element;

      } else if (!eventName) {
        Object.keys(getCacheForID(id)).each(function(eventName) {
          element.stopObserving(eventName);
        });
        return element;
      }

      var wrapper = findWrapper(id, eventName, handler);
      if (!wrapper) return element;

      if (element.removeEventListener) {
        element.removeEventListener(name, wrapper, false);
      } else {
        element.detachEvent("on" + name, wrapper);
      }

      destroyWrapper(id, eventName, handler);

      return element;
    },

    fire: function(element, eventName, memo) {
      element = $(element);
      if (element == document && document.createEvent && !element.dispatchEvent)
        element = document.documentElement;

      var event;
      if (document.createEvent) {
        event = document.createEvent("HTMLEvents");
        event.initEvent("dataavailable", true, true);
      } else {
        event = document.createEventObject();
        event.eventType = "ondataavailable";
      }

      event.eventName = eventName;
      event.memo = memo || { };

      if (document.createEvent) {
        element.dispatchEvent(event);
      } else {
        element.fireEvent(event.eventType, event);
      }

      return Event.extend(event);
    }
  };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
  fire:          Event.fire,
  observe:       Event.observe,
  stopObserving: Event.stopObserving
});

Object.extend(document, {
  fire:          Element.Methods.fire.methodize(),
  observe:       Element.Methods.observe.methodize(),
  stopObserving: Element.Methods.stopObserving.methodize(),
  loaded:        false
});

(function() {
  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
     Matthias Miller, Dean Edwards and John Resig. */

  var timer;

  function fireContentLoadedEvent() {
    if (document.loaded) return;
    if (timer) window.clearInterval(timer);
    document.fire("dom:loaded");
    document.loaded = true;
  }

  if (document.addEventListener) {
    if (Prototype.Browser.WebKit) {
      timer = window.setInterval(function() {
        if (/loaded|complete/.test(document.readyState))
          fireContentLoadedEvent();
      }, 0);

      Event.observe(window, "load", fireContentLoadedEvent);

    } else {
      document.addEventListener("DOMContentLoaded",
        fireContentLoadedEvent, false);
    }

  } else {
    document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
    $("__onDOMContentLoaded").onreadystatechange = function() {
      if (this.readyState == "complete") {
        this.onreadystatechange = null;
        fireContentLoadedEvent();
      }
    };
  }
})();
/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
  Before: function(element, content) {
    return Element.insert(element, {before:content});
  },

  Top: function(element, content) {
    return Element.insert(element, {top:content});
  },

  Bottom: function(element, content) {
    return Element.insert(element, {bottom:content});
  },

  After: function(element, content) {
    return Element.insert(element, {after:content});
  }
};

var $continue = new Error('"throw $continue" is deprecated, use "return" instead');

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

  // must be called before calling withinIncludingScrolloffset, every time the
  // page is scrolled
  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  // caches x/y coordinate pair to use with overlap
  within: function(element, x, y) {
    if (this.includeScrollOffsets)
      return this.withinIncludingScrolloffsets(element, x, y);
    this.xcomp = x;
    this.ycomp = y;
    this.offset = Element.cumulativeOffset(element);

    return (y >= this.offset[1] &&
            y <  this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x <  this.offset[0] + element.offsetWidth);
  },

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

    this.xcomp = x + offsetcache[0] - this.deltaX;
    this.ycomp = y + offsetcache[1] - this.deltaY;
    this.offset = Element.cumulativeOffset(element);

    return (this.ycomp >= this.offset[1] &&
            this.ycomp <  this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp <  this.offset[0] + element.offsetWidth);
  },

  // within must be called directly before
  overlap: function(mode, element) {
    if (!mode) return 0;
    if (mode == 'vertical')
      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
    if (mode == 'horizontal')
      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
  },

  // Deprecation layer -- use newer Element methods now (1.5.2).

  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

  absolutize: function(element) {
    Position.prepare();
    return Element.absolutize(element);
  },

  relativize: function(element) {
    Position.prepare();
    return Element.relativize(element);
  },

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

  clone: function(source, target, options) {
    options = options || { };
    return Element.clonePosition(target, source, options);
  }
};

/*--------------------------------------------------------------------------*/

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  function iter(name) {
    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  }

  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  function(element, className) {
    className = className.toString().strip();
    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  } : function(element, className) {
    className = className.toString().strip();
    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
    if (!classNames && !className) return elements;

    var nodes = $(element).getElementsByTagName('*');
    className = ' ' + className + ' ';

    for (var i = 0, child, cn; child = nodes[i]; i++) {
      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
          (classNames && classNames.all(function(name) {
            return !name.toString().blank() && cn.include(' ' + name + ' ');
          }))))
        elements.push(Element.extend(child));
    }
    return elements;
  };

  return function(className, parentElement) {
    return $(parentElement || document.body).getElementsByClassName(className);
  };
}(Element.Methods);

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
  initialize: function(element) {
    this.element = $(element);
  },

  _each: function(iterator) {
    this.element.className.split(/\s+/).select(function(name) {
      return name.length > 0;
    })._each(iterator);
  },

  set: function(className) {
    this.element.className = className;
  },

  add: function(classNameToAdd) {
    if (this.include(classNameToAdd)) return;
    this.set($A(this).concat(classNameToAdd).join(' '));
  },

  remove: function(classNameToRemove) {
    if (!this.include(classNameToRemove)) return;
    this.set($A(this).without(classNameToRemove).join(' '));
  },

  toString: function() {
    return $A(this).join(' ');
  }
};

Object.extend(Element.ClassNames.prototype, Enumerable);

/*--------------------------------------------------------------------------*/

Element.addMethods();

function comparision(value,onComplete,del)
{
	if(del)
	{
		var params=new Hash({'comparison[id]' : value,'comparison[delete]' : 1 });
	}
	else
	{
		var params=new Hash({'comparison[id]' : value });
	}
	var url='load.php?module=comparison&file=comparison';
	new Ajax.Request(url, {
	  method: 'post',
	  parameters: params,
	  onComplete: function() { if(typeof onComplete=='function') onComplete() },
	  onSuccess: function(transport) {	  	
	  }
	});
	return false;	
}

function insertPicture(field,picture_min,picture_max,x,y)
{
	var field=document.getElementById(field);
	var frame;
	if (picture_max && x && y)
		frame=" style='cursor:pointer' onClick=\"window_open('frame.php?image=" + picture_max + "',''," + x + "," + y + ")\"";
	field.innerHTML="<img src=\"" + picture_min + "\" " + frame + " border=\"0\" >";
}

function modyficatedInsertPicture(id,field,picture_min,picture_max,num,x,y)
{
	var field=document.getElementById(field);
	var frame;
	if (picture_max && x && y){
		//frame=" style='cursor:pointer' onClick=\"window_open('frame.php?image=" + picture_max + "',''," + x + "," + y + ")\"";
		frame=" style='cursor:pointer' onClick=\"displayAjaxGallery("+id+",'"+picture_max+"','"+num+"')\"";
	}
	field.innerHTML="<img src=\"" + picture_min + "\" " + frame + " border=\"0\" >";
}


function window_open(URL, name, width, height)
{
	var left=(screen.width-width)/2;
	left=Math.round(left);
	var top=(screen.height-height-100)/2;
	top=Math.round(top);
	name=window.open(URL, name, 'resizable=0, height=' + height + ', width=' + width + ', top=' + top + ', left=' + left);
	name.moveTo(left, top);
	name.focus();
}

function window_open_resizable(URL, name, width, height)
{
	var left=(screen.width-width)/2;
	left=Math.round(left);
	var top=(screen.height-height-100)/2;
	top=Math.round(top);
	name=window.open(URL, name, 'resizable=1,scrollbars=1, height=' + height + ', width=' + width + ', top=' + top + ', left=' + left);
	name.moveTo(left, top);
	name.focus();
}


function activeTab(active)
{

	var content=document.getElementById("tabDescription").getElementsByTagName("div");
	var header=document.getElementById("tabs").getElementsByTagName("div");

	var j = 0;

	for (var i=1; i<=content.length; i++)
	{

		if( content[i-1].className == 'tab_div')
		{

			j++;


		if (j==active)
		{
			content[i-1].style.display='block';
			header[j-1].className = 'tabActive';
		}
		else
		{
			content[i-1].style.display='none';
			header[j-1].className = 'tabUnactive';
		}
		header[j-1].className += ' offerTab';
		//header[i-1].style.border='1px solid black';

			}
	}

}

function ShowDiv(element)
{
	var elem=document.getElementById(element);
	if (elem.style.display=='inline') elem.style.display='none'; else elem.style.display='inline';
}

function ActiveDeactiveDiv(element,show)
{
	var elem=document.getElementById(element);
	if (show=='0') elem.style.display='none'; else elem.style.display='inline';
}
function ShowHideElement(element,style_display_on)
{
	var elem=document.getElementById(element);
	if (elem.style.display=='none')
		elem.style.display=style_display_on;
	else
		elem.style.display='none';
}


function insertVaulue(value,field)
{
		var field=document.getElementById(field);

		field.value=value;
}

// uzywana w skroceniu tekstu
// przy komentarzu klienta do zamowienia
function limitText(limitField, limitCount, limitNum) {
	if (limitField.value.length > limitNum) {
		limitField.value = limitField.value.substring(0, limitNum);
	} else {
		limitCount.innerHTML = limitNum - limitField.value.length;
	}
}
/**----------------------------------------------------------
	obsluga menu
*/
	var cookieTime=0;
/**----------------------------------------------------------
*/
	function createCookie(name,value,days)
	{
		if (days)
		{
			var date = new Date();
			date.setTime(date.getTime()+(days*24*60*60*1000));
			var expires = "; expires="+date.toGMTString();
		}
		else var expires = "";
		document.cookie = name+"="+value+expires+"; path=/";
	}
/**----------------------------------------------------------
*/
	function readCookie(name) {
		var nameEQ = name + "=";
		var ca = document.cookie.split(';');
		for(var i=0;i < ca.length;i++) {
			var c = ca[i];
			while (c.charAt(0)==' ') c = c.substring(1,c.length);
			if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
		}
		return null;
	}
/**----------------------------------------------------------
*/
	function eraseCookie(name)
	{
		createCookie(name,"",-1);
	}
/**----------------------------------------------------------
*/
	function createMenuCookie(submenuId)
	{
		cookieName='menu['+submenuId+']';
		createCookie(cookieName,1,cookieTime);
	}
/**----------------------------------------------------------
*/
	function eraseMenuCookie(submenuId)
	{
		cookieName='menu['+submenuId+']';
		eraseCookie(cookieName);
	}
/**----------------------------------------------------------
*/
	function menuClick(submenuId,mode,elem)
	{
		//alert(submenuId+' '+mode+' '+elem);
		if($(submenuId))
		{
			if(Element.visible($(submenuId)))
			{
				Element.hide($(submenuId));
				eraseMenuCookie(submenuId);
				/*$(submenuId+'_nav').src="./image/template/menu_show_down.gif";*/
				Element.show($(submenuId+'_nav_down'));
				Element.hide($(submenuId+'_nav_up'));
				//$(elem).innerHTML='+';
			}
			else
			{
				if(mode==1) hide_all('menuRoot','submenu');
				Element.show($(submenuId));
				createMenuCookie(submenuId);
				/*$(submenuId+'_nav').src="./image/template/menu_show_up.gif";*/
				Element.show($(submenuId+'_nav_up'));
				Element.hide($(submenuId+'_nav_down'));
				//$(elem).innerHTML='-';
			}
			return false;
		}
		else
		{
			alert('click');
			return true;
		}
	}
/**----------------------------------------------------------
*/
	function show_all(parentElement,className)
	{
		nodes=document.getElementsByClassName(className , $(parentElement));
		for(i=0; i<nodes.length; i++)
		{
			Element.show(nodes[i]);
			submenuId=nodes[i].getAttribute('id');
			createMenuCookie(submenuId);
			/*$(submenuId+'_nav').src="./image/template/menu_show_up.gif";*/
			Element.show($(submenuId+'_nav_up'));
			Element.hide($(submenuId+'_nav_down'));
		}
		return false;
	}
/**----------------------------------------------------------
*/
	function hide_all(parentElement,className)
	{
		nodes=document.getElementsByClassName(className , $(parentElement));
		for(i=0; i<nodes.length; i++)
		{
			Element.hide(nodes[i]);
			submenuId=nodes[i].getAttribute('id');
			eraseMenuCookie(submenuId);
			Element.show($(submenuId+'_nav_down'));
			Element.hide($(submenuId+'_nav_up'));
		}
		return false;
	}

/* przyciski widoku zdjec na karcie towaru */
function change_offer_image_button(element)
{
	var new_b = element;
	var contener = $('offer_view_image_active_button');
	if (new_b.id!=contener.value)
	{
		var old_b = $(contener.value);
		new_b.className = 'button_item active';
		old_b.className = 'button_item';
		contener.value = new_b.id;
	}
}
function debug(debugData)
{
	if ($('debug_output'))
	{
		var outputMessage = new Element('div').update("debug: " + debugData);
		$('debug_output').insert({bottom: outputMessage});
	}
	else
	{
		alert("Aby uzywac funkcji debug umiesc kod <div id='debug_output'></div> w miejscu gdzie maja byc wypisywane informacje");
	}
}

var img1 = new Image();
img1.src = 'image/template/btn_new_hover.jpg';

var img2 = new Image();
img2.src = 'image/template/btn_promotion_hover.jpg';

var img3 = new Image();
img3.src = 'image/template/btn_sale_hover.jpg';

var img4 = new Image();
img4.src = 'image/template/btn_bestseller_hover.jpg';

var img5 = new Image();
img5.src = 'image/template/btn_account_hover.jpg';

var img6 = new Image();
img6.src = 'image/template/btn_basket_hover.jpg';

function changeListLimit(value)
{
	var s = document.location.search;
	if (value.length==0)
		s = vacumParam(s,"_limit",value);
	else
		s = insertParam(s,"_limit",value);
	if (s != document.location.search) document.location.search=s;
}

/* Simple AJAX Code-Kit (SACK) v1.6.1 */
/* A 2005 Gregory Wild-Smith */
/* www.twilightuniverse.com */
/* Software licenced under a modified X11 licence,
   see documentation or authors website for more details */

function sack(file) {
	this.xmlhttp = null;

	this.resetData = function() {
		this.method = "POST";
  		this.queryStringSeparator = "?";
		this.argumentSeparator = "&";
		this.URLString = "";
		this.encodeURIString = true;
  		this.execute = false;
  		this.element = null;
		this.elementObj = null;
		this.requestFile = file;
		this.vars = new Object();
		this.responseStatus = new Array(2);
  	};

	this.resetFunctions = function() {
  		this.onLoading = function() { };
  		this.onLoaded = function() { };
  		this.onInteractive = function() { };
  		this.onCompletion = function() { };
  		this.onError = function() { };
		this.onFail = function() { };
	};

	this.reset = function() {
		this.resetFunctions();
		this.resetData();
	};

	this.createAJAX = function() {
		try {
			this.xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e1) {
			try {
				this.xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e2) {
				this.xmlhttp = null;
			}
		}

		if (! this.xmlhttp) {
			if (typeof XMLHttpRequest != "undefined") {
				this.xmlhttp = new XMLHttpRequest();
			} else {
				this.failed = true;
			}
		}
	};

	this.setVar = function(name, value){
		this.vars[name] = Array(value, false);
	};

	this.encVar = function(name, value, returnvars) {
		if (true == returnvars) {
			return Array(encodeURIComponent(name), encodeURIComponent(value));
		} else {
			this.vars[encodeURIComponent(name)] = Array(encodeURIComponent(value), true);
		}
	}

	this.processURLString = function(string, encode) {
		encoded = encodeURIComponent(this.argumentSeparator);
		regexp = new RegExp(this.argumentSeparator + "|" + encoded);
		varArray = string.split(regexp);
		for (i = 0; i < varArray.length; i++){
			urlVars = varArray[i].split("=");
			if (true == encode){
				this.encVar(urlVars[0], urlVars[1]);
			} else {
				this.setVar(urlVars[0], urlVars[1]);
			}
		}
	}

	this.createURLString = function(urlstring) {
		if (this.encodeURIString && this.URLString.length) {
			this.processURLString(this.URLString, true);
		}

		if (urlstring) {
			if (this.URLString.length) {
				this.URLString += this.argumentSeparator + urlstring;
			} else {
				this.URLString = urlstring;
			}
		}

		// prevents caching of URLString
		this.setVar("rndval", new Date().getTime());

		urlstringtemp = new Array();
		for (key in this.vars) {
			if (false == this.vars[key][1] && true == this.encodeURIString) {
				encoded = this.encVar(key, this.vars[key][0], true);
				delete this.vars[key];
				this.vars[encoded[0]] = Array(encoded[1], true);
				key = encoded[0];
			}

			urlstringtemp[urlstringtemp.length] = key + "=" + this.vars[key][0];
		}
		if (urlstring){
			this.URLString += this.argumentSeparator + urlstringtemp.join(this.argumentSeparator);
		} else {
			this.URLString += urlstringtemp.join(this.argumentSeparator);
		}
	}

	this.runResponse = function() {
		eval(this.response);
	}

	this.runAJAX = function(urlstring) {
		if (this.failed) {
			this.onFail();
		} else {
			this.createURLString(urlstring);
			if (this.element) {
				this.elementObj = document.getElementById(this.element);
			}
			if (this.xmlhttp) {
				var self = this;
				if (this.method == "GET") {
					totalurlstring = this.requestFile + this.queryStringSeparator + this.URLString;
					this.xmlhttp.open(this.method, totalurlstring, true);
				} else {
					this.xmlhttp.open(this.method, this.requestFile, true);
					try {
						this.xmlhttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
					} catch (e) { }
				}

				this.xmlhttp.onreadystatechange = function() {
					switch (self.xmlhttp.readyState) {
						case 1:
							self.onLoading();
							break;
						case 2:
							self.onLoaded();
							break;
						case 3:
							self.onInteractive();
							break;
						case 4:
							self.response = self.xmlhttp.responseText;
							self.responseXML = self.xmlhttp.responseXML;
							self.responseStatus[0] = self.xmlhttp.status;
							self.responseStatus[1] = self.xmlhttp.statusText;

							if (self.execute) {
								self.runResponse();
							}

							if (self.elementObj) {
								elemNodeName = self.elementObj.nodeName;
								elemNodeName.toLowerCase();
								if (elemNodeName == "input"
								|| elemNodeName == "select"
								|| elemNodeName == "option"
								|| elemNodeName == "textarea") {
									self.elementObj.value = self.response;
								} else {
									self.elementObj.innerHTML = self.response;
								}
							}
							if (self.responseStatus[0] == "200") {
								self.onCompletion();
							} else {
								self.onError();
							}

							self.URLString = "";
							break;
					}
				};

				this.xmlhttp.send(this.URLString);
			}
		}
	};

	this.reset();
	this.createAJAX();
}



/* SWFObject v2.1 <http://code.google.com/p/swfobject/>
	Copyright (c) 2007-2008 Geoff Stearns, Michael Williams, and Bobby van der Sluis
	This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*/
var swfobject=function(){var b="undefined",Q="object",n="Shockwave Flash",p="ShockwaveFlash.ShockwaveFlash",P="application/x-shockwave-flash",m="SWFObjectExprInst",j=window,K=document,T=navigator,o=[],N=[],i=[],d=[],J,Z=null,M=null,l=null,e=false,A=false;var h=function(){var v=typeof K.getElementById!=b&&typeof K.getElementsByTagName!=b&&typeof K.createElement!=b,AC=[0,0,0],x=null;if(typeof T.plugins!=b&&typeof T.plugins[n]==Q){x=T.plugins[n].description;if(x&&!(typeof T.mimeTypes!=b&&T.mimeTypes[P]&&!T.mimeTypes[P].enabledPlugin)){x=x.replace(/^.*\s+(\S+\s+\S+$)/,"$1");AC[0]=parseInt(x.replace(/^(.*)\..*$/,"$1"),10);AC[1]=parseInt(x.replace(/^.*\.(.*)\s.*$/,"$1"),10);AC[2]=/r/.test(x)?parseInt(x.replace(/^.*r(.*)$/,"$1"),10):0}}else{if(typeof j.ActiveXObject!=b){var y=null,AB=false;try{y=new ActiveXObject(p+".7")}catch(t){try{y=new ActiveXObject(p+".6");AC=[6,0,21];y.AllowScriptAccess="always"}catch(t){if(AC[0]==6){AB=true}}if(!AB){try{y=new ActiveXObject(p)}catch(t){}}}if(!AB&&y){try{x=y.GetVariable("$version");if(x){x=x.split(" ")[1].split(",");AC=[parseInt(x[0],10),parseInt(x[1],10),parseInt(x[2],10)]}}catch(t){}}}}var AD=T.userAgent.toLowerCase(),r=T.platform.toLowerCase(),AA=/webkit/.test(AD)?parseFloat(AD.replace(/^.*webkit\/(\d+(\.\d+)?).*$/,"$1")):false,q=false,z=r?/win/.test(r):/win/.test(AD),w=r?/mac/.test(r):/mac/.test(AD);/*@cc_on q=true;@if(@_win32)z=true;@elif(@_mac)w=true;@end@*/return{w3cdom:v,pv:AC,webkit:AA,ie:q,win:z,mac:w}}();var L=function(){if(!h.w3cdom){return }f(H);if(h.ie&&h.win){try{K.write("<script id=__ie_ondomload defer=true src=//:><\/script>");J=C("__ie_ondomload");if(J){I(J,"onreadystatechange",S)}}catch(q){}}if(h.webkit&&typeof K.readyState!=b){Z=setInterval(function(){if(/loaded|complete/.test(K.readyState)){E()}},10)}if(typeof K.addEventListener!=b){K.addEventListener("DOMContentLoaded",E,null)}R(E)}();function S(){if(J.readyState=="complete"){J.parentNode.removeChild(J);E()}}function 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q=t.getElementsByTagName(Q)[0];if(q){var w=a("embed"),y=q.attributes;if(y){var v=y.length;for(var u=0;u<v;u++){if(y[u].nodeName=="DATA"){w.setAttribute("src",y[u].nodeValue)}else{w.setAttribute(y[u].nodeName,y[u].nodeValue)}}}var x=q.childNodes;if(x){var z=x.length;for(var r=0;r<z;r++){if(x[r].nodeType==1&&x[r].nodeName=="PARAM"){w.setAttribute(x[r].getAttribute("name"),x[r].getAttribute("value"))}}}t.parentNode.replaceChild(w,t)}}function k(w){A=true;var u=C(w.id);if(u){if(w.altContentId){var y=C(w.altContentId);if(y){M=y;l=w.altContentId}}else{M=G(u)}if(!(/%$/.test(w.width))&&parseInt(w.width,10)<310){w.width="310"}if(!(/%$/.test(w.height))&&parseInt(w.height,10)<137){w.height="137"}K.title=K.title.slice(0,47)+" - Flash Player Installation";var z=h.ie&&h.win?"ActiveX":"PlugIn",q=K.title,r="MMredirectURL="+j.location+"&MMplayerType="+z+"&MMdoctitle="+q,x=w.id;if(h.ie&&h.win&&u.readyState!=4){var t=a("div");x+="SWFObjectNew";t.setAttribute("id",x);u.parentNode.insertBefore(t,u);u.style.display="none";var v=function(){u.parentNode.removeChild(u)};I(j,"onload",v)}U({data:w.expressInstall,id:m,width:w.width,height:w.height},{flashvars:r},x)}}function O(t){if(h.ie&&h.win&&t.readyState!=4){var r=a("div");t.parentNode.insertBefore(r,t);r.parentNode.replaceChild(G(t),r);t.style.display="none";var q=function(){t.parentNode.removeChild(t)};I(j,"onload",q)}else{t.parentNode.replaceChild(G(t),t)}}function G(v){var u=a("div");if(h.win&&h.ie){u.innerHTML=v.innerHTML}else{var r=v.getElementsByTagName(Q)[0];if(r){var w=r.childNodes;if(w){var q=w.length;for(var t=0;t<q;t++){if(!(w[t].nodeType==1&&w[t].nodeName=="PARAM")&&!(w[t].nodeType==8)){u.appendChild(w[t].cloneNode(true))}}}}}return u}function U(AG,AE,t){var q,v=C(t);if(v){if(typeof AG.id==b){AG.id=t}if(h.ie&&h.win){var AF="";for(var AB in AG){if(AG[AB]!=Object.prototype[AB]){if(AB.toLowerCase()=="data"){AE.movie=AG[AB]}else{if(AB.toLowerCase()=="styleclass"){AF+=' class="'+AG[AB]+'"'}else{if(AB.toLowerCase()!="classid"){AF+=" "+AB+'="'+AG[AB]+'"'}}}}}var AD="";for(var AA in AE){if(AE[AA]!=Object.prototype[AA]){AD+='<param name="'+AA+'" value="'+AE[AA]+'" />'}}v.outerHTML='<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"'+AF+">"+AD+"</object>";i[i.length]=AG.id;q=C(AG.id)}else{if(h.webkit&&h.webkit<312){var AC=a("embed");AC.setAttribute("type",P);for(var z in AG){if(AG[z]!=Object.prototype[z]){if(z.toLowerCase()=="data"){AC.setAttribute("src",AG[z])}else{if(z.toLowerCase()=="styleclass"){AC.setAttribute("class",AG[z])}else{if(z.toLowerCase()!="classid"){AC.setAttribute(z,AG[z])}}}}}for(var y in AE){if(AE[y]!=Object.prototype[y]){if(y.toLowerCase()!="movie"){AC.setAttribute(y,AE[y])}}}v.parentNode.replaceChild(AC,v);q=AC}else{var u=a(Q);u.setAttribute("type",P);for(var x in AG){if(AG[x]!=Object.prototype[x]){if(x.toLowerCase()=="styleclass"){u.setAttribute("class",AG[x])}else{if(x.toLowerCase()!="classid"){u.setAttribute(x,AG[x])}}}}for(var w in AE){if(AE[w]!=Object.prototype[w]&&w.toLowerCase()!="movie"){F(u,w,AE[w])}}v.parentNode.replaceChild(u,v);q=u}}}return q}function F(t,q,r){var u=a("param");u.setAttribute("name",q);u.setAttribute("value",r);t.appendChild(u)}function X(r){var q=C(r);if(q&&(q.nodeName=="OBJECT"||q.nodeName=="EMBED")){if(h.ie&&h.win){if(q.readyState==4){B(r)}else{j.attachEvent("onload",function(){B(r)})}}else{q.parentNode.removeChild(q)}}}function B(t){var r=C(t);if(r){for(var q in r){if(typeof r[q]=="function"){r[q]=null}}r.parentNode.removeChild(r)}}function C(t){var q=null;try{q=K.getElementById(t)}catch(r){}return q}function a(q){return K.createElement(q)}function I(t,q,r){t.attachEvent(q,r);d[d.length]=[t,q,r]}function c(t){var r=h.pv,q=t.split(".");q[0]=parseInt(q[0],10);q[1]=parseInt(q[1],10)||0;q[2]=parseInt(q[2],10)||0;return(r[0]>q[0]||(r[0]==q[0]&&r[1]>q[1])||(r[0]==q[0]&&r[1]==q[1]&&r[2]>=q[2]))?true:false}function V(v,r){if(h.ie&&h.mac){return }var u=K.getElementsByTagName("head")[0],t=a("style");t.setAttribute("type","text/css");t.setAttribute("media","screen");if(!(h.ie&&h.win)&&typeof K.createTextNode!=b){t.appendChild(K.createTextNode(v+" {"+r+"}"))}u.appendChild(t);if(h.ie&&h.win&&typeof K.styleSheets!=b&&K.styleSheets.length>0){var q=K.styleSheets[K.styleSheets.length-1];if(typeof q.addRule==Q){q.addRule(v,r)}}}function W(t,q){var r=q?"visible":"hidden";if(e&&C(t)){C(t).style.visibility=r}else{V("#"+t,"visibility:"+r)}}function g(s){var r=/[\\\"<>\.;]/;var q=r.exec(s)!=null;return q?encodeURIComponent(s):s}var D=function(){if(h.ie&&h.win){window.attachEvent("onunload",function(){var w=d.length;for(var v=0;v<w;v++){d[v][0].detachEvent(d[v][1],d[v][2])}var t=i.length;for(var u=0;u<t;u++){X(i[u])}for(var r in h){h[r]=null}h=null;for(var q in swfobject){swfobject[q]=null}swfobject=null})}}();return{registerObject:function(u,q,t){if(!h.w3cdom||!u||!q){return }var r={};r.id=u;r.swfVersion=q;r.expressInstall=t?t:false;N[N.length]=r;W(u,false)},getObjectById:function(v){var q=null;if(h.w3cdom){var t=C(v);if(t){var u=t.getElementsByTagName(Q)[0];if(!u||(u&&typeof t.SetVariable!=b)){q=t}else{if(typeof u.SetVariable!=b){q=u}}}}return q},embedSWF:function(x,AE,AB,AD,q,w,r,z,AC){if(!h.w3cdom||!x||!AE||!AB||!AD||!q){return }AB+="";AD+="";if(c(q)){W(AE,false);var AA={};if(AC&&typeof AC===Q){for(var v in AC){if(AC[v]!=Object.prototype[v]){AA[v]=AC[v]}}}AA.data=x;AA.width=AB;AA.height=AD;var y={};if(z&&typeof z===Q){for(var u in z){if(z[u]!=Object.prototype[u]){y[u]=z[u]}}}if(r&&typeof r===Q){for(var t in r){if(r[t]!=Object.prototype[t]){if(typeof y.flashvars!=b){y.flashvars+="&"+t+"="+r[t]}else{y.flashvars=t+"="+r[t]}}}}f(function(){U(AA,y,AE);if(AA.id==AE){W(AE,true)}})}else{if(w&&!A&&c("6.0.65")&&(h.win||h.mac)){A=true;W(AE,false);f(function(){var AF={};AF.id=AF.altContentId=AE;AF.width=AB;AF.height=AD;AF.expressInstall=w;k(AF)})}}},getFlashPlayerVersion:function(){return{major:h.pv[0],minor:h.pv[1],release:h.pv[2]}},hasFlashPlayerVersion:c,createSWF:function(t,r,q){if(h.w3cdom){return U(t,r,q)}else{return undefined}},removeSWF:function(q){if(h.w3cdom){X(q)}},createCSS:function(r,q){if(h.w3cdom){V(r,q)}},addDomLoadEvent:f,addLoadEvent:R,getQueryParamValue:function(v){var u=K.location.search||K.location.hash;if(v==null){return g(u)}if(u){var t=u.substring(1).split("&");for(var r=0;r<t.length;r++){if(t[r].substring(0,t[r].indexOf("="))==v){return g(t[r].substring((t[r].indexOf("=")+1)))}}}return""},expressInstallCallback:function(){if(A&&M){var q=C(m);if(q){q.parentNode.replaceChild(M,q);if(l){W(l,true);if(h.ie&&h.win){M.style.display="block"}}M=null;l=null;A=false}}}}}();

function showAdvencedSearch()
{  
  $('advenced_search').toggle();
  
  if ($('advenced_search').visible())
  {
    $('adv_search').setStyle({
      backgroundImage: "url('image/template/arrow_bottom.gif')"
    });
  }
  else
  {
    $('adv_search').setStyle({
      backgroundImage: "url('image/template/arrow_up.gif')"
    });
  }
  
  return false;
}

function debug(debugData)
{
	if ($('debug_output'))
	{				 
		var outputMessage = new Element('div').update("debug: " + debugData);				
		$('debug_output').insert({bottom: outputMessage});						
	}
	else			
	{								
		alert("Aby używac funkcji debug umieśc kod <div id='debug_output'></div> w miejscu gdzie mają być wypisywane informacje");			
	}			
}

	
	  /**
	   * Inicjalizacja zakładek
	   *    tabContainer - id kontenera z zakładkami     	   
	   */     	  
		function initTabs(tabContainer)
		{
			var tabs = $(tabContainer);
			
			var tabTitlesContainer = tabs.select('div.tab_header')[0];			
			tabTitlesContainer.insert("<div style='clear: both;'></div>"); // fix close float stream
			
			var titleTags = tabTitlesContainer.select('div.tab_title');
			
			showTab(tabContainer, 0);
			selectTitleTab(titleTags, 0);
		
			titleTags.each(function(item, index)
			{				
				item.observe('click', function(event)
				{
					showTab(tabContainer, index);	
					selectTitleTab(titleTags, index);
				});
			});			
			
			var tabsBody = tabs.select('div.tab_body')[0];
			
			var tabsContents = tabsBody.select('div.tab_content'); 						
		}
				
		/**
		 *  Oznacza zakładkę klikniętą
		 *  
		 *    titleTags - tablica zakładek		 
		 *    tabIndex - numer zakładki do zaznaczenia (liczone od 0)          		
		*/
		function selectTitleTab(titleTags, tabIndex)
		{
			titleTags.each(function(item, index)
			{	
				var titleTabChilds = item.childElements();				
				if (index == tabIndex)
				{	
					titleTabChilds[0].setStyle(
						{
							background: "url('image/tabs/tab_bg_left.gif') no-repeat"							
						}
					);
					titleTabChilds[1].setStyle(
						{
							background: "url('image/tabs/tab_bg.gif') repeat-x",								
							color: "white",
							fontWeight: "bold"
						}
					);		
					titleTabChilds[2].setStyle(
						{
							background: "url('image/tabs/tab_bg_right.gif') no-repeat"			
						}
					);							 						
				}	
				else
				{
					titleTabChilds[0].setStyle(
						{
							background: "url('image/tabs/tab_bg_off_left.gif') no-repeat"
						}
					);
					titleTabChilds[1].setStyle(
						{
							background: "url('image/tabs/tab_bg_off.gif') repeat-x",
							color: "#676e80",
							fontWeight: "bold"
						}
					);		
					titleTabChilds[2].setStyle(
						{
							background: "url('image/tabs/tab_bg_off_right.gif') no-repeat"
						}
					);			 		
				}
			
			});	
		}

		/* 
      wyświetla zawartosć zakładki      
        tabContainer - lista elementów zakładek      
        tabIndex - numer zakładki
    */
		function showTab(tabContainer, tabIndex)
		{
			var tabs = $(tabContainer);
			var tabsBody = tabs.select('div.tab_body')[0];
			
			var tabsContents = tabsBody.select('div.tab_content'); 
			
			tabsContents.each(function(item, index)
			{
				if (index == tabIndex)
				{
					item.show();
				}	
				else
				{
					item.hide();								
				}
			});
		}

/** 
 *  Preloader obrazków w linku
 *  
 *  @date 10.07.2008
 *  @author Daniel Nowacki
 *  @company EPRO IT    
 */

/**
 *  Rozszerzenie metody dodwane tylko na linki
 *  
 *  Jako parametr metody nalezy podac tylko nazwe pliku z hoverem. Plik ma sie znajodwac w tym samym katalogu co plik bazowy   
 */ 
Element.addMethods('A', {
  rollOver: function(objLink, hoverImg)
  {    
    if (objLink) /* link musi istnieć */
    {
      var objImgArray = objLink.select('img'); /* preloadery działają na obrazkach - pobieram */
      
      if (objImgArray[0]) /* jako pierwsze dziecko musi zawierać obrazek */
      {
        var objImg = objImgArray[0];
        
        var actPath = objImg.readAttribute('src') + ""; // zamiana na string
        
        var pattern = /[a-zA-Z_-]+\.[gpj][inp][fg]$/; // wyrazenie - pobiera nazwe pliku mozliwe rozszerzenia jpg, gif, png
        
        var hoverPath = actPath.replace(pattern, "") + hoverImg; // sciezka z obrazkeim do preloadera - obrazek z hoverem musi byc w tym samym katalogu co bazowy
        
        /* buforujÄ™ obrazek hovera - wymuszam pobranie z serwera */        
        new Image().src = hoverPath;
                

        /* zapamietuje sciezki */              
        objImg.writeAttribute('rollOver', hoverPath);            
        objImg.writeAttribute('rollOut', objImg.readAttribute('src'));    
              
        // dodaje sluchaczy na linki
        objLink.observe('mouseover', function()
        {                    
          objImg.writeAttribute('src', objImg.readAttribute('rollOver'));          
        });
        
        objLink.observe('mouseout', function()
        {
          objImg.writeAttribute('src', objImg.readAttribute('rollOut')); 
        });
      }            
    }    
    return objLink;
  }
});


/* 
	ładowanie dużych zdjęć 
*/
function eproLoadBigImage(objSender, imgPath, idGallery, noMin, bigImgTarget, bindGalleryAction, bigImagePath,galleryTitle)
{
	$(objSender).up().up().up().select("a").each(function(item, index){	
		item.removeClassName("selected");
	});
	
	
	$(objSender).addClassName("selected");
	
	var bigImageContainer = $('big_image_container');
	
	if (bigImgTarget) bigImageContainer = $(bigImgTarget);
	
	var childs = bigImageContainer.select('img');
	
	var height = 100;
	
	if (childs[0])
	{
		var actImg = childs[0];		
		var height = actImg.getHeight() > 0 ? actImg.getHeight() : 100;
	}
	

	var spacer = new Element("div");
	spacer.setStyle({
		width: "100",
		margin: "auto",
		height: height + "px",
		background: "url('image/card/loader.gif') no-repeat center center"
	});
	
	spacer.update("&nbsp;");
	
	bigImageContainer.update("");
	bigImageContainer.appendChild(spacer);
	
	var img = new Image();
	img.src = imgPath;
	new PeriodicalExecuter(function(pe)
	{
		if (img.complete)
		{
			var tag = new Element("img");
			tag.writeAttribute("src", imgPath);		
			tag.setStyle({ cursor: 'pointer'});	
			bigImageContainer.update("");
			bigImageContainer.appendChild(tag);
			
			if (bindGalleryAction == undefined || bindGalleryAction == true)
			{
				tag.observe('click', function()
				{
					displayAjaxGallery(idGallery, bigImagePath, noMin, galleryTitle);
				});
			}
			
			pe.stop();
		}
		
	}, 0.1);	
	
	return false;
} 

var EproScreenClass = Class.create({
	getDocumentHeight: function()
		{
			$(this).innerHeight = (document.height != undefined) ? document.height : document.body.offsetHeight;
			return $(this).innerHeight;
		},
	
	getWindowWidth: function()
		{
			$(this).windowWidth = document.viewport.getWidth();
			return $(this).windowWidth; 
		},
		
	getWindowHeight: function()
		{
			if (Prototype.Browser.Opera)
			{
				$(this).windowHeight = window.innerHeight;	
			}	
			else
			{
				$(this).windowHeight = document.viewport.getHeight();
			}		
						
			return $(this).windowHeight;
		},
		
	getTopOffset: function()
		{
			$(this).pageOffset = document.viewport.getScrollOffsets();
			return $(this).pageOffset.top;
		},
		
	getLeftOffset: function()
		{
			$(this).pageOffset = document.viewport.getScrollOffsets();
			return $(this).pageOffset.left;
		},
		
	getMaxHeight: function()
		{
			$(this).maxHeight = ($(this).getDocumentHeight() > $(this).getWindowHeight()) ? $(this).getDocumentHeight() : $(this).getWindowHeight();
			return $(this).maxHeight;
		}
});

var EproScreen = new EproScreenClass();

/* ZDARZENIA W ZAK£ADKACH    */
var TabEvents = Class.create({
  /* otwarcie zak³adki */
  openTab: function(event, objSender) 
  {    		  	
  	
	if (Prototype.Browser.IE) 
	{  								
		if (!/MSIE [789]/.test((navigator.appVersion +"")))
		{
			$$('select').each(function(node){		  		
				node.hide();
			});	
		}  		
	}
  	
	var topSender = $(objSender.config.objSender); // przycisk otwieraj±cy
	var tabSender = $(objSender.config.tabId);     // zak³adka	

	topSender.setStyle(topSender.config.bgStyle);
			
	// zresetuj timer zamykania je¿eli jest ustawiony
	if (topSender.closeTabHandle) topSender.closeTabHandle.stop();
	
	// je¿eli zak³adka jest widoczna to nie rozwijaj          
	if (tabSender.visible() == true) return;  
			 
	// rozwiñ zak³adkê         
	var tabHandle = new PeriodicalExecuter(function(pe)
	{
	  var config = objSender.config;        
	  var tab = $(config.tabId);                   
	  			 
	  // rozwin zakaldke
	  //Effect.SlideDown(tab, { duration: tab.config.speedDuration,queue: {position: 'end', scope: 'global', limit: 1} });    
	  tab.show();
	  if(typeof objSender.config.onshow=='function')
		{
			objSender.config.onshow(objSender);
		}
	  pe.stop();
	  
	}, objSender.config.openDelay);  
	
	
	event.stop(); // wy³±cz bubbling dla tego eventu	
  },
  
  
  /* zamykanie zak³adki */
  closeTab: function(event, objSender) 
  {               
  	if (Prototype.Browser.IE) 
	{  								
		if (!/MSIE [789]/.test((navigator.appVersion +"")))
		{
			$$('select').each(function(node){		  		
				node.show();
			});	
		}  		
	}
	var topSender = $(objSender.config.objSender); // przycisk otwieraj±cy 
	var tabSender = $(objSender.config.tabId);     // zak³adka
			
	// zeruj timer zamykania je¿eli jest aktywny
	if (topSender.closeTabHandle) topSender.closeTabHandle.stop();
	
	// je¿eli zak³adka jest niewidoczna to nic nie rób        
	if (tabSender.visible() == false) return;
	
	// ustaw timer zamykania
	var closeTabHandle = new PeriodicalExecuter(function(pe)
	{                              
	  tabSender.hide();          
	  //Effect.SlideUp(tabSender, { duration: tabSender.config.speedDuration, queue: {position: 'end', scope: 'global', limit: 1}});
	  pe.stop(); 
	  topSender.setStyle(topSender.config.fgStyle);
	}, objSender.config.closeDelay);
	
	// zapisz timer zamykania
	topSender.closeTabHandle = closeTabHandle;
	event.stop();
  },
  
  /* zerowanie timera zamykania zak³adki */
  stopClosingTab: function(event, objSender) 
  {        
	var topSender = $(objSender.config.objSender);
	// je¿eli timer jest ustawiony to go wyczy¶æ         
	if (topSender.closeTabHandle) topSender.closeTabHandle.stop();        
	event.stop();
  }
});
 

/* obiekt zdarzeñ dla rozwijanych zak³adek */
eventsTab = new TabEvents();


/* rozwijana zak³adka */
Element.addMethods('DIV', {         
  bindTab: function(objSender, config)
  {	
	// zobacz czy element odsy³aj±cy ma okre¶lone id
	var idSender = objSender.readAttribute("id");
	
	// jak nie ma id to przypisz domy¶lne
	config["objSender"] = idSender == null ? 'advenced_seach_trigger' : idSender;
	
	// zapmiêtaj konfig
	objSender.config = config;
	
	// pobierz obiekt zakladki 
	var tab = $(config.tabId);
	// przesun konfig
	tab.config = config;  
							   
	// podpiecie zdarzen
	objSender.observe(config.trigger, eventsTab.openTab.bindAsEventListener(eventsTab, objSender));
	objSender.observe('mouseout', eventsTab.closeTab.bindAsEventListener(eventsTab, objSender));
					
	tab.observe('mouseout', eventsTab.closeTab.bindAsEventListener(eventsTab, tab));        
	tab.observe('mouseover', eventsTab.stopClosingTab.bindAsEventListener(eventsTab, tab));
	
	// przenies warstwe z zakladka w miejsce okreslone konfigiem	        
	objSender.setBindTabPosition();                
  },      
					
  /* USTALENIE POZYCJI ROZWIJANEGO MENU */
  setBindTabPosition: function(objSender)
  {  	
	  var config = objSender.config;
	  var tab = $(config.tabId); // zakladka odpowiadajaca dla przycisku	  
	  tab.makePositioned();
	  	  
	  
	  /* ustawienie pozycji */	
	  var pos = objSender.positionedOffset(); // pozycja przycisku - wzgledem niej pozycjonowana jest zakladka	  
	  
	  /* przesniecie zalkadki w zaleznosci od miejsca zaczepienia */
	  if (config.posHorizontal == 'right')
	  {
		pos[0] = pos[0] + objSender.getWidth();
	  }
	  
	  if (config.posVertical == 'bottom')
	  {          
		pos[1] = pos[1] + objSender.getHeight();
	  }
	  
	  /* przesniecie zalkadki w zaleznosci od kierunku rozwiniecia */
	  if (config.dirHorizontal == 'left')
	  {
		pos[0] = pos[0] - tab.getWidth();  
	  }

	  if (config.dirVertical == 'top')
	  {
		pos[1] = pos[1] - tab.getHeight();
	  }

	  tab.setStyle({	  	
		left: pos[0] + "px",
		top: pos[1] + "px"
	  });
	                      
  }
});            


Element.addMethods( 
{
	createColumn: function(objSender) /* kolumna jest tworzona jak zostaje przekroczona wysokosc kategorii */
	{        
		var column = new Element('td', {'class': 'linksColumn'});                        
		objSender.appendChild(column);        
		return column;
	},

	create: function(objSender, config) /* tworzy menu na podstawie konfiugracji */
	{
		// objSender - to kontener w którym bêdzie budowane menu 
		objSender.config = config;
		
		var maxHeight = config.height; /* maksymalna wysokosc po przekroczeniu ktorej nalezy dodawac nowe kolumny */ 
		var menuItems = objSender.childElements(); /* ilosc elementow w menu */
		  
		/* aktualna wysokosc kolumny */
		var actHeight = 0;                        
		
		/* konterner dla menu - w nim beda dodawane kolumny */
		var menuContainer =$(objSender.config.menuTarget);
		
		// do kontenera dodawana bedzie tabela - zachowuje sie najelpiej we wszystkich przegladarkach
		// divy na floatach sa roznie interpretowane przez ie
		var table = new Element("table", {'class': 'linksTable'} );
		var tbody = new Element("tbody");
		
		var rowContainer = new Element("tr"); // tuta beda dodawane nowe kolumny
		tbody.appendChild(rowContainer);
		table.appendChild(tbody);
		menuContainer.appendChild(table); // do kontenera na menu dodaje tabelke w ktorej bedzie budowane menu
		
		/* szerokosc kolumny */ 
		var columnWidth = 0;
		
		/* dodatkowo wysokosc  wynikajaca z marginesow i paddingow */
		var columnExtraHeight = 0;
		        
		/* wszystkie elementy DL - tutaj znajduja sie kategorie*/
		menuItems.each(function(item, index)
		{
			// pierwsze wejscei tworzona jest nowa komorka - czyli kolumna menu
			if (index == 0) // pierwsze wejœcie - tworznie nowej kolumny
			{            
				column = rowContainer.createColumn();            
			}          
			
			var height = item.getHeight(); // pobieram wysokosc kategorii z menu
			        
			// dodaje do wysokosci calej kolumny
			actHeight += height;
			
			// jezeli wysokosc zostala przekroczona
			if ((actHeight >= maxHeight) && index != 0)
			{             
				column = rowContainer.createColumn(); // tworze nowa kolumne 
				
				actHeight = height; // wysokosc nowej kolumny jest taka jak wysokosc elementu ktorej do neij trafi
				                        
				// przypadek ze kategoria jest wieksza jak przewidywana masymalna wysokosc
				// ustalam wtedy nowa maksymalna wysokosc dla tego menu 
				if (actHeight > maxHeight) maxHeight = actHeight;                    
			}
		  
		  // usuwam element z kontenera tymczasowego
		  var addItem = item.remove();   
		                                
		  // dodaje go do kolumny
		  column.appendChild(addItem);          
		});
		                
		// 
		var allColumns = menuContainer.select("td.linksColumn");
		
		var columnWidth = 0;
		
		var closeElement = new Element('div');
		closeElement.setStyle({clear: "both", visibility: "hidden"});
		
		allColumns.each(function(item, index)
		{
			var style = (index % 2) ? objSender.config.column1Style : objSender.config.column2Style;           
			item.setStyle(style);
			item.setStyle({height: maxHeight+"px"});
			
			columnWidth = parseInt(item.getStyle("width")) 
			
			if (!Prototype.Browser.IE)
			{
				columnWidth += parseInt(item.getStyle("paddingLeft")) + parseInt(item.getStyle("paddingRight"));
			} 			
			
			columnExtraHeight = 0;
			["paddingTop", "paddingBottom", "marginTop", "marginBottom"].each(function(st) 
			{
				var val = item.getStyle(st);
				if (!val) val = 0;     
				columnExtraHeight += parseInt(val);
			});

			item.setStyle({height: (maxHeight+ columnExtraHeight) + "px"});

			item.appendChild(closeElement);
		});

		//rowContainer.appendChild(closeElement);
		var mWidth = columnWidth * allColumns.length;
				        
		menuContainer.setStyle({width: mWidth + "px"});
		menuContainer.writeAttribute("w", mWidth);
		
		//debug(menuContainer.id);
		//menuContainer.setStyle({height: (maxHeight+ columnExtraHeight+20) + "px"});        
		
		objSender.remove();
	}
});


var isMouseOverContainer = function(event, container)
{
	return event.element().descendantOf($(container)) || event.element() == $(container);
}

var setSelectTabState = function(objTrigger, objTab, state, config)
{
	
	if (state == true)
	{
		$(objTrigger).setStyle(config.triggerSelected);							
		$(objTab).show();
		if ($(objTab).getWidth() < $(objTrigger).getWidth())
		{
			$(objTab).setStyle({
				width: 	$(objTrigger).getWidth() + "px"
			});
		} 
	}
	else
	{
		$(objTrigger).setStyle(config.triggerUnselected)					
		$(objTab).hide();
	}
	
}
			

var bindTabMenuAction = function(objTrigger, objTab, config){
	var triggerPos = $(objTrigger).cumulativeOffset();
					
			
	$(objTab).setStyle({
		top: (triggerPos[1] + $(objTrigger).getHeight()) + "px",
		left: triggerPos[0] + "px"	
	});	
	
	$(objTrigger).observe("click", function(event){									
		setSelectTabState(objTrigger, objTab, !$(objTab).visible(), config);					
		event.stop();
	});
	
	Event.observe(document, "mousemove", function(event){		
		if ($(objTab).visible())
		{ 			
			var dx = 0;
			var dy = 0;
			
			if (isMouseOverContainer(event, objTab))					
			{
				var dx = 0;
				var dy = 0;
			}
			else
			{
				var off = $(objTab).cumulativeOffset();
				var x1 = off[0];
				var y1 = off[1];
				var x2 = event.pointerX();
				var y2 = event.pointerY();					
				if (x2 > x1)
				{
					x1 += $(objTab).getWidth();
				}
				
				if (y2 > y1)
				{
					y1 += $(objTab).getHeight();
				}
				
				var dx = Math.abs((x2-x1));
				var dy = Math.abs((y2-y1));												
			}

			if (dx > 150 || dy > 150)
			{
				setSelectTabState(objTrigger, objTab, false, config);							
			}	 
		}
		event.stop();	
	});	
	
		/* klikniêcie poza rozwiniêtym oknem */
	Event.observe(document, "click", function(event){
		if (!isMouseOverContainer(event, objTab))
		{
			setSelectTabState(objTrigger, objTab, false, config);						
		}
		
	});		
}


createVerticalMenu = function(menuItems, config)
{
	menuItems.each(function(item, index)
	{	
		$(item.trigger).observe('click', function(event)
		{			
			menuItems.each(function(i)
			{
				if (i.tab != item.tab)
				{
					setSelectTabState($(i.trigger), $(i.tab), false, config);								
				}								
			});
			event.stop();
		});
		
		bindTabMenuAction(item.trigger, item.tab, config);
	});
}

function selectNews(item, itemContent, indexContent) 
{
	var header = itemContent.up().firstDescendant();
	if (item.index == indexContent)
	{
		itemContent.show();
		header.setStyle({
			backgroundImage: "url('image/template/news_drop_down_menu_hover.gif')"
		})
	}
	else
	{
		itemContent.hide();
		header.setStyle({
			backgroundImage: "url('image/template/news_drop_down_menu.gif')"
		})
	}
}

function bindNewsAccordion()
{
	$('news_accordion').select("div.header").each(function(item, index){
		item.index = index;

		selectNews(item, item.up().firstDescendant().next() , 0);
						
		item.observe('click', function(event){
			$('news_accordion').select("div.content").each(function(itemContent, indexContent){
				selectNews(item, itemContent, indexContent);
			});						
		});
	});
}

function bindDisplayOptions(objSender, objContainer)
{
	var is_expand = readCookie('display_options_is_expand');
	
	if (is_expand == null || is_expand == undefined)
	{
		$(objSender).setStyle({
			backgroundImage: "url('image/template/ico_more_options_hover.gif')"
		});
		$(objContainer).show();
		expand = 1;
	}
	else
	{
		if (is_expand == '1')
		{
			$(objSender).setStyle({
				backgroundImage: "url('image/template/ico_more_options_hover.gif')"
			});
			$(objContainer).show();
		} 
		else
		{
			$(objContainer).hide();
		}
	}
	
	
	$(objSender).observe('click', function(event){
		$(objContainer).toggle();
		
		var expand = 0;
		if ($(objContainer).visible())
		{
			expand = 1;
			$(objSender).setStyle({
				backgroundImage: "url('image/template/ico_more_options_hover.gif')"
			});
		}		
		else
		{
			expand = 0;
			$(objSender).setStyle({
				backgroundImage: "url('image/template/ico_more_options.gif')"
			});
		}
		
		createCookie('display_options_is_expand',expand,30);
	});
}

function bindDisplayOptionsMainPage(objSender, objContainer)
{
	$(objSender).observe('click', function(event){
		$(objContainer).toggle();
		if ($(objContainer).visible())
		{			
			$(objSender).setStyle({
				backgroundImage: "url('image/template/ico_more_options_main_hover.gif')"
			});
		}		
		else
		{
			$(objSender).setStyle({
				backgroundImage: "url('image/template/ico_more_options_main.gif')"
			});
		}
	});
}


function bindMailingTriggers()
{
	$('tab_recomended_trigger').observe('click', function(event) {						
		$('tab_recomended').toggle();
		$('tab_newsletter').hide();
		
		if ($('tab_recomended').visible())
		{
			$('tab_recomended_trigger').setStyle({
				borderBottom: "solid 1px #323232",
				background: "url('image/template/button_bg_recomended_hover.gif') no-repeat"
												
			});
			
			$('tab_newsletter_trigger').setStyle({
				borderBottom: "solid 1px black",
				background: "url('image/template/button_bg_newsletter.gif') no-repeat"
			});
		}
		else
		{
			$('tab_recomended_trigger').setStyle({
				borderBottom: "solid 1px black",
				background: "url('image/template/button_bg_recomended.gif') no-repeat"
			});
			
			$('tab_newsletter_trigger').setStyle({
				borderBottom: "solid 1px #323232",
				background: "url('image/template/button_bg_newsletter.gif') no-repeat"
			});
		}
		
		$('bottom_scroll').scrollTo();
		
	});
	
	$('tab_newsletter_trigger').observe('click', function(event) {
		$('tab_recomended').hide();
		$('tab_newsletter').toggle();
		
		if ($('tab_newsletter').visible())
		{
			$('tab_newsletter_trigger').setStyle({
				borderBottom: "solid 1px #323232",
				background: "url('image/template/button_bg_newsletter_hover.gif') no-repeat"
			});
			
			$('tab_recomended_trigger').setStyle({
				borderBottom: "solid 1px black",
				background: "url('image/template/button_bg_recomended.gif') no-repeat"
			});
		}
		else
		{
			$('tab_newsletter_trigger').setStyle({
				borderBottom: "solid 1px black",
				background: "url('image/template/button_bg_newsletter.gif') no-repeat"
			});
			
			$('tab_recomended_trigger').setStyle({
				borderBottom: "solid 1px #323232",
				background: "url('image/template/button_bg_recomended.gif') no-repeat"
			});
		}
		
		$('bottom_scroll').scrollTo();
	});
	
	$('btn_up_trigger').observe('click', function(event) {
	
		$('layout').scrollTo();
	});		
}


ajaxGalleryOpened = false;
function displayAjaxGallery(idGallery, imagePathToLoad, nrMinImage,galleryTitle)
{
	
	if (ajaxGalleryOpened == true ) return;
	
	ajaxGalleryOpened = true;

	var bg = null;

	if ($('bgExist')) return;

	bg = new Element("iframe");
	
	bg.writeAttribute('id', 'bgExist');
	
	bg.writeAttribute('frameborder', 0);
	bg.writeAttribute('scrolling', 'no');


	new Ajax.Request('frame_nh.php?ajax_gallery_id='+idGallery, 
	{
	  onCreate: function(transport){
      var innerHeight = (document.height !== undefined) ? document.height : document.body.offsetHeight;
    	var windowWidth = document.viewport.getWidth();
    	var windowHeight = document.viewport.getHeight();
    	var pageOffset = document.viewport.getScrollOffsets();

    		bg.setStyle({
		    			zIndex: 2799,
		    			position: 'absolute',		    			
		    			backgroundColor: '#000000',	/* tlo dookola */
						backgroundImage: 'url(image/gallery/ajax_gallery_bg.gif)',	/* tlo dookola */		    			
		    			width: windowWidth + 'px',
		    			height: innerHeight + 'px',
   						top: 0,
		    			left: 0,
		    			opacity: 0.6,
		    			cursor: 'pointer'
					});
		
			
			bg.src = 'image/gallery/gallerybg.php';

			document.body.appendChild(bg);					
		},

	  onComplete: function(transport) {

	    if (200 == transport.status)
	    {
	    	var galleryAjax = new Element("div");

	    	var innerHeight = (document.height !== undefined) ? document.height : document.body.offsetHeight;
	    	var windowWidth = document.viewport.getWidth();
	    	var windowHeight = document.viewport.getHeight();
	    	var pageOffset = document.viewport.getScrollOffsets();



		    document.body.appendChild(galleryAjax);
		    galleryAjax.update("");
		    galleryAjax.update(transport.responseText);
				bg.setStyle({
		    			zIndex: 2800,
		    			position: 'absolute',
		    			width: windowWidth + 'px',
		    			height: innerHeight + 'px',
		    			top: 0,
		    			left: 0,
		    			cursor: 'pointer'
					});

				galleryAjax.setStyle({
					zIndex: 2801,
					position: 'absolute',
					width: 'auto'
				});

				if(typeof galleryTitle!='undefined' )
				{
					$('ajax_gallery_title').update(galleryTitle);
				}
				var galleryWidth = $('ajax_gallery_container').getWidth();
				var leftOffset = Math.round((windowWidth - galleryWidth ) / 2 );
				var topOffset = (windowHeight - galleryAjax.getHeight() ) / 2;
				
				if (topOffset < 0)
				{
					topOffset = pageOffset.top;
				}
				else
				{
				  topOffset += pageOffset.top;
				}



				galleryAjax.setStyle({
						left: leftOffset + "px",
						top: topOffset + "px",
						width: galleryWidth + "px"
					});



				onScollHandle = function()
				{
				  return;
				  /*
				    var pageOffset = document.viewport.getScrollOffsets();
						var topOffset = pageOffset.top + 80;

						//if (scrollTimer) scrollTimer.stop();

						scrollTimer = new PeriodicalExecuter(function(pe)
						{
							galleryAjax.setStyle({
								top: topOffset + "px"
							});
							pe.stop();
						},0.15);
					*/
				};

				hideScroll = function() {
						
					  Event.stopObserving(window, 'resize', onResizeHandle);
					  Event.stopObserving(window, 'scroll', onScollHandle);
					  ajaxGalleryOpened = false;
		  			  galleryAjax.remove();
					  bg.remove();
				}

				onResizeHandle = function()
				{
					Event.stopObserving(window, 'resize', onResizeHandle);
					Event.stopObserving(window, 'scroll', onScollHandle);
					hideScroll();
				}

				Event.observe(window, 'scroll', onScollHandle);
				Event.observe(window, 'resize', onResizeHandle);
				
				closeHande = function(ev) 
				{
					
					if (ev.keyCode == '27') {
						hideScroll();	
					}
				}
				
				Event.observe(document, 'keypress', closeHande);

				bg.observe('click', function(event) { hideScroll(); });

				$('ajax_gallery_close').observe('click', function(event) { hideScroll(); });

				if (imagePathToLoad)
				{
					ajaxGalleryLoadImage(null, imagePathToLoad, nrMinImage);
				}


		  } // end if;
		  

		  ajaxGalleryOpened = false;

	  }
	});
}


function ajaxGalleryLoadImage(objSender, imgPath, nrImage)
{

	if($('ajax_gallery_min'))
	{	
	  $('ajax_gallery_min').select('.min_image_ajax_gallery').each(function(item, index)
	  {

	  	  if (nrImage == index)
		  {
		  	objSender = item;
		  }
		  
		  if (objSender == null && index == 0 && !nrImage)
		  {
		    objSender = item; 
		  }
		  
		  
	
		  
		  if (item == objSender)
		  {
			  item.setStyle({
			    opacity: 1,
			    border: "solid 1px #dAdAdA"
				});
			}
			else
			{
				item.setStyle({
			    opacity: 0.4,
			    border: "solid 1px #dAdAdA"
				});
			}
		});
	}

	$('ajax_gallery_big').update("");
	var img = new Element("img");
	img.writeAttribute("alt", "");
	img.writeAttribute("src", imgPath);

	var containerHeight = $('ajax_gallery_big').getHeight();
	var containerWidth = $('ajax_gallery_big').getWidth();

	new PeriodicalExecuter(function(pe)
	{
		if (img.complete)
		{

			$('ajax_gallery_big').setStyle({
					overflow: 'auto',
					margin: 'auto'
				});

			if ((img.height > containerHeight) || (img.width > containerWidth) )
			{
				$('ajax_gallery_big').setStyle({
					overflow: 'auto',
					margin: 'auto'
				});
			}

			$('ajax_gallery_big').innerHTML = '';
			$('ajax_gallery_big').appendChild(img);
			pe.stop();
		}
	}, 0.1);
}


/* konfiguracja */
		var zoomImageConfig = {
			iconZoomPath: 'image/zoom/ico_zoom.gif',
			iconLoadingPath: 'image/zoom/ico_loading.gif',
			iconZoomWidth: 24,
			iconZoomHeight: 24,			
			iconClosePath: 'image/zoom/ico_close.gif',
			iconCloseWidth: 24,
			iconCloseHeight: 24,
			imgContainerStyle: 	{ // styl nadawany dla kontenera w ktrym pojawia si duy obrazek
									border: "solid 5px #ff58c2"
								}
		};
	
		
		// keszuj ikonk zoom i close
		var tmpImg1 = new Image();
		tmpImg1.src = zoomImageConfig.iconZoomPath;
		var tmpImg2 = new Image(); 
		tmpImg2.src = zoomImageConfig.iconClosePath;
		
		// ustawia ikon zoomowania na miniaturce
		function createZoomIco(objTarget)
		{				
			// sprawdzam czy ikonki juz nie ma przypadkiem
			var isIcoExits = $(objTarget).up().select("div.zoom_ico_exists");
			
			// jezeli jest to nic nie robie
			if (isIcoExits.length != 0) return null;
			
			// ikona bedzie znajodowala sie w kontenerku
			var zoomIcoContainer = new Element("div");
			zoomIcoContainer.addClassName("zoom_ico_exists");
			var zoomIco = new Element("img")
			zoomIco.writeAttribute("src", zoomImageConfig.iconZoomPath);
			zoomIco.writeAttribute("alt", "Kliknij by powiększyć");						
			zoomIcoContainer.appendChild(zoomIco);
			
			// pobieram polozenie i rozmiary malego obrazka
			var position = $(objTarget).cumulativeOffset();
			var width = $(objTarget).getWidth();
			var height = $(objTarget).getHeight();						
			
			// ustawiam ikonke zoomowania w dolnym prawym rogu miniakuurki obrazka
			zoomIcoContainer.setStyle({
				position: 'absolute',
				cursor: 'pointer',							
				top: (position[1] + height - zoomImageConfig.iconZoomHeight) + "px",
				left: (position[0] + width - zoomImageConfig.iconZoomWidth) + "px",
				zIndex: 2000
			});
			
			// pokazuje ikonke zoomowania
			$(objTarget).up().appendChild(zoomIcoContainer);
			
			return zoomIcoContainer;
		};
		
		// umiesza ikone zamkniecia na powiekoszonym obrazku
		function createCloseIco(bigImgContainer) {
			// ikona bedzie w kontenerze 
			var closeImgContainer = new Element("div");
			var closeImg = new Element("img");
			closeImg.writeAttribute("src", zoomImageConfig.iconClosePath);
			closeImg.writeAttribute("alt", "Zamknij");
			closeImgContainer.appendChild(closeImg);
			
			
			
			closeImgContainer.setStyle({
				width: zoomImageConfig.iconCloseWidth+ "px",
				height: zoomImageConfig.iconCloseHeight + "px",
				top: '0px',
				left: (bigImgContainer.getWidth() - zoomImageConfig.iconCloseWidth - 10)+ "px",		
				cursor: 'pointer',
				position: 'absolute'
			});						
			
			bigImgContainer.appendChild(closeImgContainer);	
			
			// po kliknieciu na ikonce usuwam cale powiekszenie
			/* 
			closeImgContainer.observe('click', function(event){
				bigImgContainer.up().remove();
				event.stop();
				return false;				
			});
			*/
		};
		
		// funkcja wywolywana po zaladowaniu sie obrazka
		function imageLoaded(objSender, zoomIco, imgObj) 
		{
			zoomIco.down().src = zoomImageConfig.iconZoomPath;
			var bigImgContainer = new Element("div");
			bigImgContainer.addClassName("big_image_container");
			bigImgContainer.setStyle(zoomImageConfig.imgContainerStyle);
			bigImgContainer.setStyle({
				width: imgObj.width + "px",
				height: imgObj.height + "px",
				cursor: 'default',
				position: 'absolute',
				zIndex: '4000'
			});
			
			var bigImg = new Element("img");
			bigImg.writeAttribute("src", imgObj.src);
			bigImg.writeAttribute("alt", "");
			
			
			
			bigImgContainer.appendChild(bigImg);
			zoomIco.appendChild(bigImgContainer);
					
			
			bigImgContainer.setStyle({
				top: "0px",
				left: "0px"
			})
			
			var screen = new EproScreenClass();
			
			var widnowWidth = screen.getWindowWidth();
			
			
			var leftCorrect = 0;
			var topCorrect = 0;
			
			var icoCumulativeOffset = zoomIco.cumulativeOffset();
			var icoWindowOffsetWidth = icoCumulativeOffset[0] - screen.getLeftOffset();
			var icoWindowOffsetHeight = icoCumulativeOffset[1] - screen.getTopOffset();
			
			var windowWidth = screen.getWindowWidth();
			var windowHeight = screen.getWindowHeight();
			
			if (icoWindowOffsetWidth + bigImgContainer.getWidth() >= windowWidth) 
			{
				leftCorrect = -bigImgContainer.getWidth() + zoomIco.getWidth();	
			}
			
			if (icoWindowOffsetHeight + bigImgContainer.getHeight() >= windowHeight) 
			{
				topCorrect = windowHeight - (icoWindowOffsetHeight  + bigImgContainer.getHeight());
			}
			
			
			bigImgContainer.setStyle({
				marginLeft: leftCorrect + "px",
				marginTop: topCorrect + "px"	
			});
			
			createCloseIco(bigImgContainer);		
		};
		
		var closeZoomImage = function(zoomIco, windowObs) {			
			Event.stopObserving(document, 'mousemove', windowObs);
			if (zoomIco && zoomIco.visible()) zoomIco.remove();
			
		};
		
		
		/* podpina zdarzenie do ikonki */
		function eproZoomImage(objSender, bigPath)
		{			
			var zoomIco = createZoomIco(objSender, bigPath);
			
			if (zoomIco == null) return; 
			
			var ident = zoomIco.identify();
			
			var windowObserver = function(event){
				var el = event.element();				

				event.stop();

				if (!el.descendantOf(objSender.up()))
				{					
					closeZoomImage(zoomIco, windowObserver);
					//if (zoomIco && zoomIco.visible()) zoomIco.remove();					
				}
			}
			
			
			zoomIco.observe('click', function(event){
				var imgObj = new Image();
				imgObj.src = bigPath;
				zoomIco.down().src = zoomImageConfig.iconLoadingPath;
				if (imgObj.complete) // ie bug fix, jak ma obrazek skeszowany nie wyzwala zdarenia onload
				{
						imageLoaded(objSender, zoomIco, imgObj);
												
						var bigImgContainer = zoomIco.select("div.big_image_container");											
						bigImgContainer[0].observe('click', function(event){							
							closeZoomImage(zoomIco, windowObserver);
							event.stop();
						});
				}
				else
				{
					imgObj.onload = function(){
						imageLoaded(objSender, zoomIco, imgObj)
						var bigImgContainer = zoomIco.select("div.big_image_container");
						
						bigImgContainer[0].observe('click', function(event){							
							closeZoomImage(zoomIco, windowObserver);
							event.stop();				
						});
					};
				}				
				event.stop();
				return false;
			});	
		
			Event.observe(document, 'mousemove', windowObserver);
		}

/**
 * dodatkowe pliki :
 * - overlay.css
 *
 * na koncu kodu srony powinien znajdowac sie klasa css :
 * 	.overlayWindowTrigger {
 *		visibility: visible;
 *	}
 */
 
// -----------------------------------------------------------------------------------
//
//  Configuration
//
OverlayOptions = Object.extend({
     'opacity'	: 0.7   // controls transparency of shadow overlay    
	,'color'	: '#000'
	,'zIndex'	: 300	
}, window.OverlayOptions || {});

// -----------------------------------------------------------------------------------

var Overlay = Class.create();

Overlay.prototype = {

    showCallback		: '', //funkcja wywoywana po wywietleniu warstwy
    closeCallback		: '', //funkcja wywoywana po ukryciu warstwy
    visibleContainer	: '', //id elementu ktory ma znajdowac sie nad warstwa
	
	containers			: [],	
    pageContainer		: {},
    //
    // initialize()
    // Constructor
    //
    initialize: function() {
		var self=this;            
		this.updateTagList();
		            
        // Code inserts html at the bottom of the page :
        //  <div id="overlay"></div>        
        
		if(!$('overlay'))
		{
			this.pageContainer= $('pageContainer') ?  $('pageContainer') : $$('body')[0];				
			this.pageContainer.appendChild(Builder.node('div',{id:'overlay'}));
	    }    
		
		$('overlay').hide().observe('click', (function() { this.hide(); }).bind(this));
		
		/*$$('.overlayClose').each(function(elem, index) {
		  	elem.observe('click', function() { self.hide(); });
		});*/
		Event.observe(document, 'keydown',function(e){
			var key = (typeof e.which != "undefined") ? e.which : e.keyCode;			
			if(key==27 && $('overlay').visible())
			{
				self.hide();	
			}		
		});
		
		$('overlay').hide();
		$('overlay').setStyle({
			 'position'			: 'absolute' 
			,'top'				: '0'
			,'left'				: '0' 
			,'width'			: '100%'
			,'height'			: '100%'
			,'border'			: 'none'
			,'margin'			: '0'
			,'padding'			: '0'
			,'zIndex'			: OverlayOptions.zIndex 			
			,'backgroundColor'	: OverlayOptions.color	
			,'opacity'			: OverlayOptions.opacity	
		});
		//$('overlay').setStyle({ opacity: OverlayOptions.opacity });		
		//$('overlay').setOpacity(OverlayOptions.opacity);
    },
    
    /**
	 * Dodawanie elementu otwierajcego okno
	 * @param id kontenera
	 * @param tablica z id mapowanych elementow
	 */
    addTrigger: function(name,trigger)
    {
    	//alert(trigger);
    	var self=this;
    	if(this.containers[name])
		{
				
    			$(trigger).each(function(elem) {
					    				
    				if($(elem))
    				{
    					var oldOnclick=false;
    					if(typeof $(elem).onclick=='function')
	    				{
	    					oldOnclick = $(elem).onclick;
							$(elem).onclick=function(){return false};
	    				}							    				
    					
						$(elem).observe('click',function(event){
							
							//alert(elem);
							//alert(typeof oldOnclick);
							//alert(oldOnclick);
							
							if(typeof oldOnclick=='function')
							{
								result=oldOnclick(event);
							}
							else
							{
								result=true;
							}
							//alert(result);
							if(result!=false)
							{
								self.show(name,elem);					
								this.blur();
								event.stop();
							}
							return false;
						});
						
						$(elem).setStyle({'visibility':'visible'});
					}
				});
		}
		else
		{
			alert('Nie zdefiniowano kontenera');
		}
    },
	/**
	 * Dodawanie kontenera obslugiwanego przez Overlay
	 * @param id kontenera
	 * @param obiekt z parametrami kontenera {  }
	 */      
	addContainer: function(name,params)
	{
		var self=this;
		//alert(name);
		if($(name))
		{	
		//	alert('ok');
			this.containers[name]= params;
			
			/*if(typeof this.containers[name].onShow == 'function')
			{
				this.containers[name].onShow();
			}*/
			
			
			if($(params.trigger))
			{
				this.addTrigger(name,params.trigger);
				/*	
				$(params.trigger).each(function(elem) { 
					$(elem).observe('click',function(event){
						self.show(name);					
						this.blur();
						event.stop();
						return false;
					});
					
					$(elem).show();
				});*/
				
			}
		}
		//this.containers[name]=[];
		
		//this.containers[name]['name']=name;			
	},      
    //
    //  show()
    //  Display overlay
    //
    show: function(visibleContainer,trigger) { 
		   
    	var self=this;
    	var obj={};
		
    	self.hide();
    	
    	if($(visibleContainer))
    	{
			this.visibleContainer=visibleContainer;
			$(visibleContainer).show();
		}
    	
		if(this.visibleContainer)
		{    	
			$$('select', 'object', 'embed').each(function(node){
				
				if(!node.descendantOf(self.visibleContainer))
				{ 
					node.style.visibility = 'hidden';
				}
			});
		}
		else
		{
			$$('select', 'object', 'embed').each(function(node){
				
				node.style.visibility = 'hidden';
			});	
		}
		
	/*	this.pageContainer.setStyle({
			 overflow : 'hidden'
		
		});*/
        // stretch overlay to fill page and fade in
        var arrayPageSize = this.getPageSize();
        $('overlay').setStyle({ height: arrayPageSize[1] + 'px' });        
		$('overlay').show();				
		this.onShow(visibleContainer,trigger);

    },
    
    onShow : function(name,trigger) {
    	    			
		if(typeof this.showCallback == 'function')
		{
			this.showCallback();
		}
		
		if(typeof this.containers[name] != 'undefined')
		{
			if(typeof this.containers[name].onShow == 'function')
			{
				this.containers[name].onShow(trigger);
			}
		}
		
	},


    //
    //  hide()
    //
    hide: function() {
    	
	    if($('overlay').visible())
		{
			
			if($(this.visibleContainer))
			{
				$(this.visibleContainer).hide();	
			}
			$('overlay').hide();
		
	        $$('select', 'object', 'embed').each(function(node){ 
				node.style.visibility = 'visible';
			});
	        
	        this.onHide(this.visibleContainer);
	    }
    },
    
    onHide : function(name) {
		if(typeof this.hideCallback == 'function')
		{
			this.hideCallback();
		}
		if(typeof this.containers[name] != 'undefined')
		{
			if(typeof this.containers[name].onHide == 'function')
			{
				this.containers[name].onHide();
			}
		}
	},
	
	//
    // updateTagList()
    //
    /*updateTagList: function() {   
        this.updateTagList = Prototype.emptyFunction;

        document.observe('click', (function(event){
            //var target = event.findElement('[class^=showOverlay]') || event.findElement('[class^=showOverlay]');
            var target = event.findElement();
            //if (target) {
            if(target.hasClassName('showOverlay')) {
            	target.overlayObj=this;
                event.stop();
                this.show(target);
            }
        }).bind(this));
    },*/
    updateTagList: function() {   
        this.updateTagList = Prototype.emptyFunction;
		var self=this;
		/*$$('.addOverlay').each(function(elem) {
			elem.overlayObj=self;	
		  //alert(s);
		});*/

		
        document.observe('click', (function(event){
            //var target = event.findElement('[class^=showOverlay]') || event.findElement('[class^=showOverlay]');
            var target = event.findElement();
            //if (target) {
           /*if(target.hasClassName('showOverlay')) {
            	target.overlayObj=this;
                event.stop();
                this.show(target);
            }*/
            
            if(target.hasClassName('overlayClose')) {
            	event.stop();
                this.hide();
            }
            
        }).bind(this));
    },
	//
	// dodanie klasy overlayWindowLoaded dla kontenera (np. usuwanie animacji adowania zawartosci)
	//
	loaded: function(visibleContainer)
	{			
		if($(visibleContainer))
		{
			$(visibleContainer).addClassName('overlayWindowLoaded');
		}	
	},
	//
	// dodanie klasy overlayWindowLoaded dla kontenera (np. usuwanie animacji adowania zawartosci)
	//
	loading: function(visibleContainer)
	{			
		if($(visibleContainer))
		{
			$(visibleContainer).removeClassName('overlayWindowLoaded');
		}	
	},
	whoami: function()
	{
		return 'Overlay class';
	},
    //
    //  getPageSize()
    //
    getPageSize: function() {
	        
	     var xScroll, yScroll;
		
		if (window.innerHeight && window.scrollMaxY) {	
			xScroll = window.innerWidth + window.scrollMaxX;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}		
		var windowWidth, windowHeight;
		
		if (self.innerHeight) {	// all except Explorer
			if(document.documentElement.clientWidth){
				windowWidth = document.documentElement.clientWidth; 
			} else {
				windowWidth = self.innerWidth;
			}
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}	
		
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}
	
		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = xScroll;		
		} else {
			pageWidth = windowWidth;
		}
				
		
		//alert(xScroll+' '+pageWidth);
		return [pageWidth,pageHeight];
	},
	
	/**
	 * Zwraca szerokosc scrola
	 * nie dziala pod ie
	 *
	 */
	getScrollerWidth : function () {
	    var scr = null;
	    var inn = null;
	    var wNoScroll = 0;
	    var wScroll = 0;
	 
	    // Outer scrolling div
	    scr = document.createElement('div');
	    scr.style.position = 'absolute';
	    scr.style.top = '-1000px';
	    scr.style.left = '-1000px';
	    scr.style.width = '100px';
	    scr.style.height = '50px';
	    // Start with no scrollbar
	    scr.style.overflow = 'hidden';
	 
	    // Inner content div
	    inn = document.createElement('div');
	    inn.style.width = '100%';
	    inn.style.height = '200px';
	    // Put the inner div in the scrolling div
	    scr.appendChild(inn);
	    // Append the scrolling div to the doc
	    document.body.appendChild(scr);
	    // Width of the inner div sans scrollbar
	    wNoScroll = inn.offsetWidth;
	    // Add the scrollbar
	    scr.style.overflow = 'auto';
	    // Width of the inner div width scrollbar
	    wScroll = inn.offsetWidth;
	    // Remove the scrolling div from the doc
	    document.body.removeChild(
	    document.body.lastChild);
		// Pixel width of the scroller
	    return (wNoScroll - wScroll);
	}	
}

var EproObjects={};

/**
 * 
 *
 *
 */
 var response ={}; 
 
Event.observe(window, 'load', function () { 
//document.observe("dom:loaded", function() {
	
	var overlay=new Overlay();
	
	EproObjects.overlay=overlay;
	
	/*Event.observe(window, 'resize', function () {
		overlay.hide();	
	});*/
	
	/**
	 * Zainicjowanie okna wyszukiwarki zaawansowanej
	 *
	 *
	 */
	 
	
	
	overlay.addContainer('advancedSearchContainer',{
						
		 'trigger'	: ['advancedSearchTrigger']
		,'onShow'	: function(trigger) {
			// zapobiega ponownemu wykonaniu funkcji onShow 
			this.onShow=null;
			
			new Ajax.Request('load.php?module=offer&file=ajax_filtering',{
				
					parameters: {"action": "search"},
					onSuccess	: function(transport) 
					{	
						
							new Ajax.Updater($('advancedSearchContainer').down('dd'), 'load.php?module=offer&file=search_advanced', {
								method : 'post',
								evalScripts : true,
								parameters: {"jSon": transport.responseText},
								onComplete: function() {
									// usunicie animacji adowania ( definicja w overlay.css )
										overlay.loaded('advancedSearchContainer');
										
										var posted_producer = $('filter_id_producer').value;
										if(posted_producer!=null)
									 		$('id_producer').value=posted_producer;
									 	
										var posted_size = $('filtr_id_size').value;
										if(posted_size!=null)
									 		$('id_attr2').value=posted_size;
										}
									});
	
					}		
				
			});
				
		}
		,'onHide'	: function() { }
	});	
	/**
	 * Zainicjowanie okna rejestracji w sklepie
	 * 
	 * 
	 */				
	overlay.addContainer('registerContainer',{
		 'trigger'	: ['registerTrigger','partnerRegisterTrigger']
		,'onShow'	: function(trigger) {
			// zapobiega ponownemu wykonaniu funkcji onShow 
			//this.onShow=null;
			//alert(trigger);
			overlay.loading('registerContainer');
			$('registerContainer').down('dd').update('');
			var url='load.php?module=account&file=register/actions&action=display';
			if(trigger=='partnerRegisterTrigger' || trigger=='logInContainerPartnerRegisterTrigger') url=url+'&partner=1';
			// zaadowanie zawartosci okna z przypominaniem hasla
			new Ajax.Updater($('registerContainer').down('dd'), url,
			{
				method : 'get',
				evalScripts : true,
				parameters: {},
				onComplete: function(){
					// usunicie animacji adowania ( definicja w overlay.css )
					overlay.loaded('registerContainer');
				}
			});
		}
		,'onHide'	: function() {}
	});
	
	/**
	 * Zainicjowanie okna logowania
	 *
	 *
	 */	
	overlay.addContainer('logInContainer',{			
		 'trigger'	: ['logInTrigger','partnerLogInTrigger','partnerLogInTriggerTopCMS','partnerLogInTriggerTopCMSSub','checkoutLogInTrigger','wishlistLogInTrigger']
		,'onShow'	: function(trigger) {
			
			
			// jezeli wywolane przez ten sam trigger co ostatnio to nie wykonujemy dalszego kodu
			if(this.lastTrigger==trigger)
			{
				$('layout').scrollTo();
				if($('logInContainer').visible())	
				{
					$('accountLogInEmail').focus();	
				}
				if(trigger=='wishlistLogInTrigger') 
				{
					wishlistLoginShowInfo();
				}
				return;
			}
			else
			{
				this.lastTrigger=trigger;
				$('logInContainer').down('dd').update('');
				overlay.loading('logInContainer');
				
				
							
				
				//this.onShow=null;
				var url='load.php?module=account&file=logIn/actions&action=display';
				// modyfikacha url`a w zaleznosci od miejsca wywolania
				switch(trigger)
				{
					case 'partnerLogInTrigger':
					case 'partnerLogInTriggerTopCMS':
						url=url+'&mode=partner';
						height=445; 
					break;
					case 'checkoutLogInTrigger':
						url=url+'&mode=checkout';
						height=469; 
					break;
					case 'wishlistLogInTrigger':
						url=url+'&mode=wishlist';
						height=358; 												
					break;
					default:
						height=358;
					break;
				}			
				$('logInContainer').setStyle({'height':height+'px','marginTop':'-'+(height/2)+'px'});	
				$('logInContainer').down('dd').setStyle({'height':(height-30)+'px'});
	 			
	 			$('layout').scrollTo();
	 		}
			 	
			// zaadowanie zawartosci okna logowania
			new Ajax.Updater($('logInContainer').down('dd'), url, {				
				method : 'get',
				evalScripts : true,
				parameters: {},
				onComplete: function(){
					// usunicie animacji adowania ( definicja styli w overlay.css )	
					overlay.loaded('logInContainer');
					// podpicie wyswietlania okna rejestracji
					overlay.addTrigger('registerContainer',['logInContainerRegisterTrigger','logInContainerPartnerRegisterTrigger']);
					/**
					 * Zainicjowanie okna z obsug przypomnania hasa
					 * inicjujemy dopiero po zaladowaniu okna logowania
					 * dopiero tam wystpuje element inicjujcy wywietlenie okna
					 */				
					overlay.addContainer('remindPasswordContainer',{
						 'trigger'	: ['remindPasswordTrigger']
						,'onShow'	: function(trigger) {
							// zapobiega ponownemu wykonaniu funkcji onShow 
							this.onShow=null;
							// zaadowanie zawartosci okna z przypominaniem hasla
							new Ajax.Updater($('remindPasswordContainer').down('dd'), 'load.php?module=account&file=remindPassword/actions&action=display',								{
								method : 'get',
								evalScripts : true,
								parameters: {},
								onComplete: function(){
									// usunicie animacji adowania ( definicja w overlay.css )
									overlay.loaded('remindPasswordContainer');
								}
							})
						}
						,'onHide'	: function() {}
					});									
				}
			})
		}
		,'onHide'	: function() {}
	});
	
	
	overlay.addContainer('addToCartContainer',{
		 'trigger'	: ['cartTrigger']
		,'onShow'	: function(trigger) {
			
			$('layout').scrollTo();
			 
			window.location="cart.html";
			
			 return false;
		}
		,'onHide'	: function() {}
	});

	if (logInContainerShow) {
		EproObjects.overlay.show('logInContainer','logInTrigger');
	}
	if (registerContainerShow) {
		EproObjects.overlay.show('registerContainer','registerTrigger');	
	}
	if (remindPasswordContainerShow) {
		EproObjects.overlay.show('remindPasswordContainer','mainRemindPasswordTrigger');
	}
	if (logInCheckoutContainerShow) {
		EproObjects.overlay.show('logInContainer','checkoutLogInTrigger');	
	}
	
		 
	//alert(overlay.getScrollerWidth());			 
});
 


function Filtering()
{
	
 
	var id_cat = jQuery('#id_cat option:selected');
	
	var id_producer = jQuery('#id_producer option:selected');
	
	var id_kind = jQuery('#id_kind option:selected');
	
	var id_attr1 = jQuery('#id_attr1 option:selected');
	
	var id_attr2 = jQuery('#id_attr2 option:selected');
	
	var aElem = new Array();
	
	aElem[0] = "id_cat,"+id_cat.val();
	
	aElem[1] = "id_producer,"+id_producer.val();
	
	aElem[2] = "id_kind,"+id_kind.val();
	
	aElem[3] = "id_attr1,"+id_attr1.val();
	
	aElem[4] = "id_attr2,"+id_attr2.val();
	
	
	
	jQuery('#advancedSearchContainer dd').ajaxStart(function(){ 
			
			//jQuery('#advanced_search_form').get(0).disable();
			jQuery('#advanced_search_form select').attr('disabled','disabled');
			jQuery('#submitButton').attr('disabled','disabled');
			jQuery(this).html('<div class="overlay"></div>');
				
		});
		
	jQuery.post(
				'load.php?module=offer&file=ajax_filtering',
				
				{"elements[]": aElem,"action":"search"},
	
				function(data)
				{ 
					if(data)
					{
						jQuery.post('load.php?module=offer&file=search_advanced',{"jSon":data},function(data){jQuery('#advancedSearchContainer dd').html(data);});
						
					}
					else
					{
						
						//jQuery('#advanced_search_form').get(0).enable();
						jQuery('#advanced_search_form select').attr('disabled','')
						jQuery('#submitButton').attr('disabled','');
					}
	
				}
		
	);
	

	
}


function filterFiltering()
{
	
	var id_cat = jQuery('#id_category');
	
	var id_producer = jQuery('#filter_id_producer option:selected');
	
	var id_kind = jQuery('#filtr_id_kind option:selected');
	
	var id_attr1 = jQuery('#filtr_id_color option:selected');
	
	var id_attr2 = jQuery('#filtr_id_size option:selected');
	
	var id_price = jQuery('#filtr_id_price option:selected');

	var aElem = new Array();
	
	aElem[0] = "id_cat,"+id_cat.val();
	
	aElem[1] = "id_producer,"+id_producer.val();
	
	aElem[2] = "id_kind,"+id_kind.val();
	
	aElem[3] = "id_attr1,"+id_attr1.val();
	
	aElem[4] = "id_attr2,"+id_attr2.val();
	
	aElem[5] = "id_price,"+id_price.val();
	
	
	jQuery('#filterContainer').ajaxStart(function(){ 
			
			//jQuery('#filterForm').get(0).disable();
			jQuery('#filterForm select').attr('disabled','disabled');
			//jQuery('#submitButton input').attr('disabled','disabled');
			jQuery('#submitButton').html('<div style="width: 71px; text-align: center;"><img src="image/ajax/ajax-loader.gif" /></div>');
							
		});
	
	jQuery.post(
				'load.php?module=offer&file=ajax_filtering',
				
				{"elements[]": aElem,"action":"filter"},
	
				function(data)
				{ 
					if(data)
					{
						
						jQuery.post('load.php?module=offer&file=ajax_filter_update',{"jSon":data},function(data){jQuery('#filterContainer').html(data);});
						
					}
					else
					{
						
						//jQuery('#filterForm').get(0).enable();
						jQuery('#filterForm select').attr('disabled','');
						jQuery('#submitButton input').attr('disabled','');
						
					}
	
				}		
	);
	
	jQuery('#filterContainer').ajaxSuccess(function(){
		
		
		jQuery('#submitButton').html('<input style="border: none; background: none;" type="image" alt="filtruj" src="image/template/btn_filtr.gif"/><input type="hidden" value="1" name="filtr_active"/>');
		
	});
	
/*	
	if(id_producer.val() || id_kind.val() || id_attr1.val() || id_attr2.val())
	{
	
		jQuery('#resetButton').html('<input type="image" src="image/template/reset_btn.gif" onclick="submit();" /><input type="hidden" name="filtr_reset" value="1" />');	
		
	}
	else
	{
	
		jQuery('#resetButton').html('');	
		
	}
*/	

}

jQuery(document).ready(function(){
	
	
	
	var id_producer = jQuery('#filter_id_producer option:selected').val();
	
	var id_kind = jQuery('#filtr_id_kind option:selected').val();
	
	var id_attr1 = jQuery('#filtr_id_color option:selected').val();
	
	var id_attr2 = jQuery('#filtr_id_size option:selected').val();
/*	
	if(id_producer || id_kind || id_attr1 || id_attr2)
	{
	
		jQuery('#resetButton').html('<input type="image" src="image/template/reset_btn.gif" onclick="submit();" /><input type="hidden" name="filtr_reset" value="1" />');	
		
	}
	else
	{
	
		jQuery('#resetButton').html('');	
		
	}
*/	
});




/*
 	Slider
	 
	@author Daniel Nowacki
	@copyright EPRO IT 2009 
 	
 	Kod html: 
 	
 	<div id="slider">
		<div class="slider_window">
			<div class="slider_items">
				<div class="item" style="background: red;">
					1
				</div>
				<div class="item" style="background: green;">
					2
				</div>
				<div class="item" style="background: blue;">
					3
				</div>
				<div class="item" style="background: yellow;">
					4
				</div>
			</div>
		</div>
	</div>
	
	
	<a href="#" id="slide_left">w lewo</a>
	<span id="ico_box">
		<a href="#" class="ico"> 1 </a>
		<a href="#" class="ico"> 2 </a>
		<a href="#" class="ico"> 3 </a>
		<a href="#" class="ico"> 4 </a>
	</span>
	<a href="#" id="slide_right">w prawo</a>
 
 	Kod js:
 	<script type="text/javascript"> 	
 		jQuery(document).ready(function(){		
		jQuery('#slider').simpleslider({
			leftTrigger: 'slide_left',
			rightTrigger: 'slide_right',
			icons: 'ico_box',
			duration: 1,
			timer: 5,
			loop: true,
			stopOnUserEvent: true,
			startOnInit: true
		});
	});
	</script>
	
	Kod css:
	<style type="text/css">
		
		div.slider_window {
			width: 200px;
			height: 200px;
			overflow: hidden;
			position: relative;
			background: #f1f1f1;			
		}
		
		div.slider_window div.slider_items {
			position: relative;
		}
		
		div.slider_window div.slider_items div.item {
			width: 200px;
			height: 200px;
			float: left;
			display: inline;		
		}
		
		#ico_box {
			
		}
		
		#ico_box .selected {
			background: yellow;
		}

		#slide_left.disabled {
			background: red;			
		}
		
		#slide_right.disabled {
			background: red;
		}
		
	</style>
 */
jQuery.fn.extend({
	simpleslider: function(userConfig)
	{
		// domyślna konfiguracja
		var config = {
			leftTrigger: null,	// przewiń w lewo
			rightTrigger: null,	// przewiń w prawo
			icons: null,		// kontener z ikonkami
			duration: 2,		// czas trwania animacji
			timer: 5,			// czas automatycznego przewinięca 
			loop: true,			// powtarzaj od poczÄ…tku
			stopOnUserEvent: true,	// zatrzymaj automatyczne przewijanie po interakcji użytkownika
			startOnInit: true		// stratuj po wywołaniu
		}
		
		jQuery.extend(config, userConfig);
		
		var sliderWindow = jQuery(this).find('.slider_window');
		var itemsContainer = sliderWindow.find('.slider_items');
		var items = itemsContainer.find('.item');
		
		var icons = null;
		if (config.icons)	// przypięcie akcji do ikonek
		{
			icons = jQuery('#'+config.icons).find('.ico');
			
			icons.each(function(index, obj)
			{
				jQuery(this).click(function(ev){					
					ev.preventDefault();
					userEventStopTimer();
					scrollTo(index);	
				});
			});
		}
		
		
		/* kontener musi miec szerokosc ktora zmiesci wszystkie elementy do przewijania */
		itemsContainer.css({clear: 'both', width: items.outerWidth() * (items.size()*2)});
		//itemsContainer.css({width: })

		var leftArrow = jQuery('#'+config.leftTrigger);
		var rightArrow = jQuery('#'+config.rightTrigger);
		
		//if (leftArrow.size()) leftArrow.bind('click', scrolToPrev);
		if (rightArrow.size()) rightArrow.bind('click', scrolToNext);
		
		var carret = 0;
		
		selectIco(carret)
		
		var slideTimer = null;
					
		if (config.startOnInit) startTimer();
		
		// przewiń
		function scrollTo(no)
		{
			if (no == 'next')
			{
				carret++;
			}
			else if (no == 'prev')
			{
				carret--;
			}
			else if (carret != no)
			{
				carret = no;
			}
			else
			{
				return;
			}
			
			// przypnij akcje do trzałek jeżeli istnieją
			if (leftArrow.size()) leftArrow.unbind('click', scrolToPrev);
			if (rightArrow.size()) rightArrow.unbind('click', scrolToNext);

			if (carret > items.size()-2) 
			{
				if (leftArrow.size()) leftArrow.bind('click', scrolToPrev);
			}
			else if (carret == 0) 
			{				
				if (rightArrow.size()) rightArrow.bind('click', scrolToNext);
			}
			else
			{
				if (leftArrow.size()) leftArrow.bind('click', scrolToPrev);
				if (rightArrow.size()) rightArrow.bind('click', scrolToNext);
			}

			// wylicz margines przesunięcia
			var length = items.outerWidth() * -carret;

			itemsContainer.animate({
				marginLeft: length
			}, {
				queue: true,
				duration: config.duration * 1000,
				complete: function() {selectIco(carret)}
			});
		}

		// oznacz ikonkę/strzałkę za pomocą css
		function selectIco(no)
		{
			if (config.icons)
			{
				icons = jQuery('#'+config.icons).find('.ico');

				icons.each(function(index, obj)
				{
					jQuery(this).removeClass('selected');

					if (index == no) jQuery(this).addClass('selected');						
				});
			}
			
			if (rightArrow.size()) rightArrow.removeClass('disabled');
			if (leftArrow.size()) leftArrow.removeClass('disabled');
			
			if (leftArrow.size() && no == 0) leftArrow.addClass('disabled');									
			if (rightArrow.size() && no == items.size()-1) rightArrow.addClass('disabled');
		}
		
		function scrolToNext(ev)
		{
			ev.preventDefault();
			userEventStopTimer();
			scrollTo('next');
		}
		
		function scrolToPrev(ev)
		{
			ev.preventDefault();
			userEventStopTimer();
			scrollTo('prev');
		}			
					
		function userEventStopTimer()
		{
			if (slideTimer) clearInterval(slideTimer);
			
			if (!(config.stopOnUserEvent))
			{
				startTimer();
			} 
		}
		
		function startTimer()
		{
			if (config.timer)
			{
				slideTimer = setInterval(timerSlide, config.timer * 1000);
			}				
		}
		
		function timerSlide()
		{
			if (config.loop && carret >= items.size()-1) carret = -1;
			if (!config.loop && carret == items.size()-2 && slideTimer) clearInterval(slideTimer); 

			scrollTo('next');
		}
	}
});