(function($){var currentHash,previousNav,timer,hashTrim=/^.*#/;var msie={iframe:null,getDoc:function(){return msie.iframe.contentWindow.document;},getHash:function(){return msie.getDoc().location.hash;},setHash:function(hash){var d=msie.getDoc();d.open();d.close();d.location.hash=hash;}};var historycheck=function(){var hash=msie.iframe?msie.getHash():location.hash;if(hash!=currentHash){currentHash=hash;if(msie.iframe){location.hash=currentHash;}
var current=$.history.getCurrent();$.event.trigger('history',[current,previousNav]);previousNav=current;}};$.history={add:function(hash){hash='#'+hash.replace(hashTrim,'');if(currentHash!=hash){var previous=$.history.getCurrent();location.hash=currentHash=hash;if(msie.iframe){msie.setHash(currentHash);}
$.event.trigger('historyadd',[$.history.getCurrent(),previous]);}
if(!timer){timer=setInterval(historycheck,100);}},getCurrent:function(){return currentHash.replace(hashTrim,'');}};$.fn.history=function(fn){$(this).bind('history',fn);};$.fn.historyadd=function(fn){$(this).bind('historyadd',fn);};$(function(){currentHash=location.hash;if($.browser.msie){msie.iframe=$('<iframe style="display:none" src="javascript:false;"></iframe>').prependTo('body')[0];msie.setHash(currentHash);currentHash=msie.getHash();}});})(jQuery);