(function($){var locationWrapper={put:function(hash,win){(win||window).location.hash=this.encoder(hash)},get:function(win){var hash=((win||window).location.hash).replace(/^#/,"");try{return $.browser.mozilla?hash:decodeURIComponent(hash)}catch(error){return hash}},encoder:encodeURIComponent};var iframeWrapper={id:"__jQuery_history",init:function(){var html='<iframe id="'+this.id+'" style="display:none" src="javascript:false;" />';$("body").prepend(html);return this},_document:function(){return $("#"+this.id)[0].contentWindow.document},put:function(hash){var doc=this._document();doc.open();doc.close();locationWrapper.put(hash,doc)},get:function(){return locationWrapper.get(this._document())}};function initObjects(options){options=$.extend({unescape:false},options||{});locationWrapper.encoder=encoder(options.unescape);function encoder(unescape_){if(unescape_===true){return function(hash){return hash}}if(typeof unescape_=="string"&&(unescape_=partialDecoder(unescape_.split("")))||typeof unescape_=="function"){return function(hash){return unescape_(encodeURIComponent(hash))}}return encodeURIComponent}function partialDecoder(chars){var re=new RegExp($.map(chars,encodeURIComponent).join("|"),"ig");return function(enc){return enc.replace(re,decodeURIComponent)}}}var implementations={};implementations.base={callback:undefined,type:undefined,check:function(){},load:function(hash){},init:function(callback,options){initObjects(options);self.callback=callback;self._options=options;self._init()},_init:function(){},_options:{}};implementations.timer={_appState:undefined,_init:function(){var current_hash=locationWrapper.get();self._appState=current_hash;self.callback(current_hash);setInterval(self.check,100)},check:function(){var current_hash=locationWrapper.get();if(current_hash!=self._appState){self._appState=current_hash;self.callback(current_hash)}},load:function(hash){if(hash!=self._appState){locationWrapper.put(hash);self._appState=hash;self.callback(hash)}}};implementations.iframeTimer={_appState:undefined,_init:function(){var current_hash=locationWrapper.get();self._appState=current_hash;iframeWrapper.init().put(current_hash);self.callback(current_hash);setInterval(self.check,100)},check:function(){var iframe_hash=iframeWrapper.get(),location_hash=locationWrapper.get();if(location_hash!=iframe_hash){if(location_hash==self._appState){self._appState=iframe_hash;locationWrapper.put(iframe_hash);self.callback(iframe_hash)}else{self._appState=location_hash;iframeWrapper.put(location_hash);self.callback(location_hash)}}},load:function(hash){if(hash!=self._appState){locationWrapper.put(hash);iframeWrapper.put(hash);self._appState=hash;self.callback(hash)}}};implementations.hashchangeEvent={_init:function(){self.callback(locationWrapper.get());$(window).bind("hashchange",self.check)},check:function(){self.callback(locationWrapper.get())},load:function(hash){locationWrapper.put(hash)}};var self=$.extend({},implementations.base);if($.browser.msie&&($.browser.version<8||document.documentMode<8)){self.type="iframeTimer"}else{if("onhashchange" in window){self.type="hashchangeEvent"}else{self.type="timer"}}$.extend(self,implementations[self.type]);$.history=self})(jQuery);