/*
* jQuery Address Plugin v1.2.1
* http://www.asual.com/jquery/address/
*
* Copyright (c) 2009-2010 Rostislav Hristov
* Dual licensed under the MIT or GPL Version 2 licenses.
* http://jquery.org/license
*
* Date: 2010-05-20 09:39:26 +0300 (Thu, 20 May 2010)
*/
(function($) {

  $.address = (function() {

    var _trigger = function(name) {
      $($.address).trigger(
                    $.extend($.Event(name),
                        (function() {
                          var parameters = {},
                                parameterNames = $.address.parameterNames();
                          for (var i = 0, l = parameterNames.length; i < l; i++) {
                            parameters[parameterNames[i]] = $.address.parameter(parameterNames[i]);
                          }
                          return {
                            value: $.address.value(),
                            path: $.address.path(),
                            pathNames: $.address.pathNames(),
                            parameterNames: parameterNames,
                            parameters: parameters,
                            queryString: $.address.queryString()
                          };
                        }).call($.address)
                    )
                );
    },
            _bind = function(value, data, fn) {
              $($.address).bind(value, data, fn);
              return $.address;
            },
            _hash = function() {
              var index = _l.href.indexOf('#');
              return index != -1 ? _ec(_dc(_crawl(_l.href.substr(index + 1), FALSE))) : '';
            },
            _window = function() {
              try {
                return top.document !== undefined ? top : window;
              } catch (e) {
                return window;
              }
            },
            _js = function() {
              return 'javascript';
            },
            _strict = function(value, force) {
              if (_opts.strict) {
                value = force ? (value.substr(0, 1) != '/' ? '/' + value : value) : (value == '' ? '/' : value);
              }
              return value;
            },
            _local = function(value, direction) {
              return (_msie && _l.protocol == 'file:') ?
                    (direction ? _value.replace(/\?/, '%3F') : _value.replace(/%253F/, '?')) : value;
            },
            _crawl = function(value, direction) {
              if (_opts.crawlable && direction) {
                return (value != '' ? '!' : '') + value;
              }
              return value.replace(/^\!/, '');
            },
            _cssint = function(el, value) {
              return parseInt(el.css(value), 10);
            },
            _search = function(el) {
              var url, s;
              for (var i = 0, l = el.childNodes.length; i < l; i++) {
                if (el.childNodes[i].src) {
                  url = String(el.childNodes[i].src);
                }
                s = _search(el.childNodes[i]);
                if (s) {
                  url = s;
                }
              }
              return url;
            },
            _listen = function() {
              if (!_silent) {
                var hash = _hash(),
                        diff = _value != hash;
                if (_safari && _version < 523) {
                  if (_length != _h.length) {
                    _length = _h.length;
                    if (typeof _stack[_length - 1] != UNDEFINED) {
                      _value = _stack[_length - 1];
                    }
                    _update(FALSE);
                  }
                } else if (_msie && _version < 7 && diff) {
                  _l.reload();
                } else if (diff) {
                  _value = hash;
                  _update(FALSE);
                }
              }
            },
            _update = function(internal) {
              _trigger(CHANGE);
              _trigger(internal ? INTERNAL_CHANGE : EXTERNAL_CHANGE);
              _st(_track, 10);
            },
            _track = function() {
              var value = (_l.pathname + (/\/$/.test(_l.pathname) ? '' : '/') +
                    ($.address ? $.address.value() : '')).replace(/\/\//, '/').replace(/^\/$/, ''),
                    fn = _t[_opts.tracker];
              if (typeof fn == FUNCTION) {
                fn(value);
              } else if (typeof urchinTracker == FUNCTION) {
                urchinTracker(value);
              } else if (typeof pageTracker != UNDEFINED && typeof pageTracker._trackPageview == FUNCTION) {
                pageTracker._trackPageview(value);
              } else if (typeof _gaq != UNDEFINED && typeof _gaq.push == FUNCTION) {
                _gaq.push(['_trackPageview', value]);
              }
            },
            _html = function() {
              var doc = _frame.contentWindow.document;
              doc.open();
              doc.write('<html><head><title>' + _d.title + '</title><script type="text/javascript">var ' + ID + ' = "' + _hash() + '";</' + 'script></head></html>');
              doc.close();
            },
            _load = function() {
              if (!_loaded) {
                _loaded = TRUE;
                var body = $('body').ajaxComplete(function() {
                  _unescape.call(this);
                }).trigger('ajaxComplete');
                if (_opts.wrap) {
                  var wrap = $('body > *')
                            .wrapAll('<div style="padding:' +
                                (_cssint(body, 'marginTop') + _cssint(body, 'paddingTop')) + 'px ' +
                                (_cssint(body, 'marginRight') + _cssint(body, 'paddingRight')) + 'px ' +
                                (_cssint(body, 'marginBottom') + _cssint(body, 'paddingBottom')) + 'px ' +
                                (_cssint(body, 'marginLeft') + _cssint(body, 'paddingLeft')) + 'px;" />')
                            .parent()
                            .wrap('<div id="' + ID + '" style="height:100%; overflow:auto;' +
                                (_safari ? (window.statusbar.visible && !/chrome/i.test(_agent) ? '' : ' resize:both;') : '') + '" />');
                  $('html, body')
                            .css({
                              height: '100%',
                              margin: 0,
                              padding: 0,
                              overflow: 'hidden'
                            });
                  if (_safari) {
                    $('<style type="text/css" />')
                                .appendTo('head')
                                .text('#' + ID + '::-webkit-resizer { background-color: #fff; }');
                  }
                }
                if (_msie && _version < 8) {
                  var frameset = _d.getElementsByTagName('frameset')[0];
                  _frame = _d.createElement((frameset ? '' : 'i') + 'frame');
                  if (frameset) {
                    frameset.insertAdjacentElement('beforeEnd', _frame);
                    frameset[frameset.cols ? 'cols' : 'rows'] += ',0';
                    _frame.src = _js() + ':' + FALSE;
                    _frame.noResize = TRUE;
                    _frame.frameBorder = _frame.frameSpacing = 0;
                  } else {
                    _frame.src = _js() + ':' + FALSE;
                    _frame.style.display = 'none';
                    _d.body.insertAdjacentElement('afterBegin', _frame);
                  }
                  _st(function() {
                    $(_frame).bind('load', function() {
                      var win = _frame.contentWindow;
                      var src = win.location.href;
                      _value = (typeof win[ID] != UNDEFINED ? win[ID] : '');
                      if (_value != _hash()) {
                        _update(FALSE);
                        _l.hash = _local(_crawl(_value, TRUE), TRUE);
                      }
                    });
                    if (typeof _frame.contentWindow[ID] == UNDEFINED) {
                      _html();
                    }
                  }, 50);
                } else if (_safari) {
                  if (_version < 418) {
                    $(_d.body).append('<form id="' + ID + '" style="position:absolute;top:-9999px;" method="get"></form>');
                    _form = _d.getElementById(ID);
                  }
                  if (typeof _l[ID] == UNDEFINED) {
                    _l[ID] = {};
                  }
                  if (typeof _l[ID][_l.pathname] != UNDEFINED) {
                    _stack = _l[ID][_l.pathname].split(',');
                  }
                }

                _st(function() {
                  _trigger('init');
                  _update(FALSE);
                }, 1);

                if ((_msie && _version > 7) || (!_msie && ('on' + HASH_CHANGE) in _t)) {
                  if (_t.addEventListener) {
                    _t.addEventListener(HASH_CHANGE, _listen, false);
                  } else if (_t.attachEvent) {
                    _t.attachEvent('on' + HASH_CHANGE, _listen);
                  }
                } else {
                  _si(_listen, 50);
                }

                $('a').filter('[rel*=address:]').address();
              }
            },
            _unload = function() {
              if (_t.removeEventListener) {
                _t.removeEventListener(HASH_CHANGE, _listen, false);
              } else if (_t.detachEvent) {
                _t.detachEvent('on' + HASH_CHANGE, _listen);
              }
            },
            _unescape = function() {
              var base = _l.pathname.replace(/\/$/, ''),
                    fragment = '_escaped_fragment_';
              if ($('body').html().indexOf(fragment) != -1) {
                $('a[href]:not([href^=http])', this).each(function() {
                  var href = $(this).attr('href').replace(new RegExp(base + '/?$'), '');
                  if (href == '' || href.indexOf(fragment) != -1) {
                    $(this).attr('href', '#' + decodeURIComponent(href.replace(new RegExp('/(.*)\\?' + fragment + '=(.*)$'), '!$2')));
                  }
                });
              }
            },
            ID = 'jQueryAddress',
            FUNCTION = 'function',
            UNDEFINED = 'undefined',
            HASH_CHANGE = 'hashchange',
            INIT = 'init',
            CHANGE = 'change',
            INTERNAL_CHANGE = 'internalChange',
            EXTERNAL_CHANGE = 'externalChange',
            TRUE = true,
            FALSE = false,
            _opts = {
              autoUpdate: TRUE,
              crawlable: FALSE,
              history: TRUE,
              strict: TRUE,
              wrap: FALSE
            },
            _browser = $.browser,
            _version = parseFloat($.browser.version),
            _mozilla = _browser.mozilla,
            _msie = _browser.msie,
            _opera = _browser.opera,
            _safari = _browser.safari,
            _supported = FALSE,
            _t = _window(),
            _d = _t.document,
            _h = _t.history,
            _l = _t.location,
            _si = setInterval,
            _st = setTimeout,
            _dc = decodeURI,
            _ec = encodeURI,
            _agent = navigator.userAgent,
            _frame,
            _form,
            _url = _search(document),
            _qi = _url ? _url.indexOf('?') : -1,
            _title = _d.title,
            _length = _h.length,
            _silent = FALSE,
            _loaded = FALSE,
            _justset = TRUE,
            _juststart = TRUE,
            _updating = FALSE,
            _stack = [],
            _listeners = {},
            _value = _hash();

    if (_msie) {
      _version = parseFloat(_agent.substr(_agent.indexOf('MSIE') + 4));
      if (_d.documentMode && _d.documentMode != _version) {
        _version = _d.documentMode != 8 ? 7 : 8;
      }
      $(document).bind('propertychange', function() {
        if (_d.title != _title && _d.title.indexOf('#' + _hash()) != -1) {
          _d.title = _title;
        }
      });
    }

    _supported =
            (_mozilla && _version >= 1) ||
            (_msie && _version >= 6) ||
            (_opera && _version >= 9.5) ||
            (_safari && _version >= 312);

    if (_supported) {

      for (var i = 1; i < _length; i++) {
        _stack.push('');
      }

      _stack.push(_value);

      if (_msie && _l.hash != _value) {
        _l.hash = '#' + _local(_crawl(_value, TRUE), TRUE);
      }

      if (_opera) {
        history.navigationMode = 'compatible';
      }

      if (_url && _qi != -1) {
        var param, params = _url.substr(_qi + 1).split('&');
        for (i = 0; i < params.length; i++) {
          param = params[i].split('=');
          if (/^(autoUpdate|crawlable|history|strict|wrap)$/.test(param[0])) {
            _opts[param[0]] = (isNaN(param[1]) ? /^(true|yes)$/i.test(param[1]) : (parseInt(param[1], 10) !== 0));
          }
          if (/^tracker$/.test(param[0])) {
            _opts[param[0]] = param[1];
          }
        }
      }

      if (document.readyState == 'complete') {
        _load();
      }
      $(_load);
      $(window).bind('unload', _unload);

    } else if ((!_supported && _hash() != '') ||
            (_safari && _version < 418 && _hash() != '' && _l.search != '')) {
      _d.open();
      _d.write('<html><head><meta http-equiv="refresh" content="0;url=' +
                encodeURI(_l.href.substr(0, _l.href.indexOf('#'))) + '" /></head></html>');
      _d.close();
    } else {
      _track();
    }

    return {
      bind: function(type, data, fn) {
        return _bind(type, data, fn);
      },
      init: function(fn) {
        return _bind(INIT, fn);
      },
      change: function(fn) {
        return _bind(CHANGE, fn);
      },
      internalChange: function(fn) {
        return _bind(INTERNAL_CHANGE, fn);
      },
      externalChange: function(fn) {
        return _bind(EXTERNAL_CHANGE, fn);
      },
      baseURL: function() {
        var url = _l.href;
        if (url.indexOf('#') != -1) {
          url = url.substr(0, url.indexOf('#'));
        }
        if (/\/$/.test(url)) {
          url = url.substr(0, url.length - 1);
        }
        return url;
      },
      autoUpdate: function(value) {
        if (value !== undefined) {
          _opts.autoUpdate = value;
          return this;
        }
        return _opts.autoUpdate;
      },
      crawlable: function(value) {
        if (value !== undefined) {
          _opts.crawlable = value;
          return this;
        }
        return _opts.crawlable;
      },
      history: function(value) {
        if (value !== undefined) {
          _opts.history = value;
          return this;
        }
        return _opts.history;
      },
      strict: function(value) {
        if (value !== undefined) {
          _opts.strict = value;
          return this;
        }
        return _opts.strict;
      },
      tracker: function(value) {
        if (value !== undefined) {
          _opts.tracker = value;
          return this;
        }
        return _opts.tracker;
      },
      wrap: function(value) {
        if (value !== undefined) {
          _opts.wrap = value;
          return this;
        }
        return _opts.wrap;
      },
      update: function() {
        _updating = TRUE;
        this.value(_value);
        _updating = FALSE;
        return this;
      },
      title: function(value) {
        if (value !== undefined) {
          value = _dc(value);
          _st(function() {
            _title = _d.title = value;
            if (_juststart && _frame && _frame.contentWindow && _frame.contentWindow.document) {
              _frame.contentWindow.document.title = value;
              _juststart = FALSE;
            }
            if (!_justset && _mozilla) {
              _l.replace(_l.href.indexOf('#') != -1 ? _l.href : _l.href + '#');
            }
            _justset = FALSE;
          }, 50);
          return this;
        }
        return _d.title;
      },
      value: function(value) {
        if (value !== undefined) {
          value = _ec(_dc(_strict(value, TRUE)));
          if (value == '/') {
            value = '';
          }
          if (_value == value && !_updating) {
            return;
          }
          _justset = TRUE;
          _value = value;
          if (_opts.autoUpdate || _updating) {
            _silent = TRUE;
            _update(TRUE);
            _stack[_h.length] = _value;
            if (_safari) {
              if (_opts.history) {
                _l[ID][_l.pathname] = _stack.toString();
                _length = _h.length + 1;
                if (_version < 418) {
                  if (_l.search == '') {
                    _form.action = '#' + _crawl(_value, TRUE);
                    _form.submit();
                  }
                } else if (_version < 523 || _value == '') {
                  var evt = _d.createEvent('MouseEvents');
                  evt.initEvent('click', TRUE, TRUE);
                  var anchor = _d.createElement('a');
                  anchor.href = '#' + _crawl(_value, TRUE);
                  anchor.dispatchEvent(evt);
                } else {
                  _l.hash = '#' + _crawl(_value, TRUE);
                }
              } else {
                _l.replace('#' + _crawl(_value, TRUE));
              }
            } else if (_value != _hash()) {
              if (_opts.history) {
                _l.hash = '#' + _local(_crawl(_value, TRUE), TRUE);
              } else {
                _l.replace('#' + _crawl(_value, TRUE));
              }
            }
            if ((_msie && _version < 8) && _opts.history) {
              _st(_html, 50);
            }
            if (_safari) {
              _st(function() { _silent = FALSE; }, 1);
            } else {
              _silent = FALSE;
            }
          }
          return this;
        }
        if (!_supported) {
          return null;
        }
        return _dc(_strict(_local(_value, FALSE), FALSE));
      },
      path: function(value) {
        if (value !== undefined) {
          var qs = this.queryString(),
                        hash = this.hash();
          this.value(value + (qs ? '?' + qs : '') + (hash ? '#' + hash : ''));
          return this;
        }
        return this.value().split('#')[0].split('?')[0];
      },
      queryString: function(value) {
        if (value !== undefined) {
          var hash = this.hash();
          this.value(this.path() + (value ? '?' + value : '') + (hash ? '#' + hash : ''));
          return this;
        }
        var arr = this.value().split('?');
        return arr.slice(1, arr.length).join('?').split('#')[0];
      },
      parameter: function(name, value, append) {
        var i, params;
        if (value !== undefined) {
          var names = this.parameterNames();
          params = [];
          for (i = 0; i < names.length; i++) {
            var n = names[i],
                            v = this.parameter(n);
            if (typeof v == 'string') {
              v = [v];
            }
            if (n == name) {
              v = (value === null || value === '') ? [] :
                                (append ? v.concat([value]) : [value]);
            }
            for (var j = 0; j < v.length; j++) {
              params.push(n + '=' + v[j]);
            }
          }
          if ($.inArray(name, names) == -1 && value !== null && value !== '') {
            params.push(name + '=' + value);
          }
          this.queryString(params.join('&'));
          return this;
        }
        value = this.queryString();
        if (value) {
          params = value.split('&');
          var r = [];
          for (i = 0; i < params.length; i++) {
            var p = params[i].split('=');
            if (p[0] == name) {
              r.push(p[1]);
            }
          }
          if (r.length !== 0) {
            return r.length != 1 ? r : r[0];
          }
        }
      },
      pathNames: function() {
        var path = this.path(),
                    names = path.replace(/\/{2,9}/g, '/').split('/');
        if (path.substr(0, 1) == '/' || path.length === 0) {
          names.splice(0, 1);
        }
        if (path.substr(path.length - 1, 1) == '/') {
          names.splice(names.length - 1, 1);
        }
        return names;
      },
      parameterNames: function() {
        var qs = this.queryString(),
                    names = [];
        if (qs && qs.indexOf('=') != -1) {
          var params = qs.split('&');
          for (var i = 0; i < params.length; i++) {
            var name = params[i].split('=')[0];
            if ($.inArray(name, names) == -1) {
              names.push(name);
            }
          }
        }
        return names;
      },
      hash: function(value) {
        if (value !== undefined) {
          this.value(this.value().split('#')[0] + (value ? '#' + value : ''));
          return this;
        }
        var arr = this.value().split('#');
        return arr.slice(1, arr.length).join('#');
      }
    };

  })();

  $.fn.address = function(fn) {
    var f = function() {
      if ($(this).is('a')) {
        var value = fn ? fn.call(this) :
                    /address:/.test($(this).attr('rel')) ? $(this).attr('rel').split('address:')[1].split(' ')[0] :
                    $(this).attr('href').replace(/^#\!?/, '');
        $.address.value(value);
        return false;
      }
    };
    $(this).click(f).live('click', f);
    $(this).live('submit', function() {
      if ($(this).is('form')) {
        var value = fn ? fn.call(this) : $(this).attr('action') + '?' + $(this).serialize();
        $.address.value(value);
        return false;
      }
    });
    return this;
  };

} (jQuery));