jQuery.extend({historyCurrentHash:undefined,historyCallback:undefined,historyInit:function(callback){jQuery.historyCallback=callback;var current_hash=location.hash;jQuery.historyCurrentHash=current_hash;if((jQuery.browser.msie)&&(jQuery.browser.version<8)){if(jQuery.historyCurrentHash==''){jQuery.historyCurrentHash='#';}$("body").prepend('<iframe id="jQuery_history" style="display: none;"></iframe>');var ihistory=$("#jQuery_history")[0];var iframe=ihistory.contentWindow.document;iframe.open();iframe.close();iframe.location.hash=current_hash;}else if($.browser.safari){jQuery.historyBackStack=[];jQuery.historyBackStack.length=history.length;jQuery.historyForwardStack=[];jQuery.isFirst=true;}jQuery.historyCallback(current_hash.replace(/^#/,''));setInterval(jQuery.historyCheck,100);},historyAddHistory:function(hash){jQuery.historyBackStack.push(hash);jQuery.historyForwardStack.length=0;this.isFirst=true;},historyCheck:function(){if((jQuery.browser.msie)&&(jQuery.browser.version<8)){var ihistory=$("#jQuery_history")[0];var iframe=ihistory.contentDocument||ihistory.contentWindow.document;var current_hash=iframe.location.hash;if(current_hash!=jQuery.historyCurrentHash){location.hash=current_hash;jQuery.historyCurrentHash=current_hash;jQuery.historyCallback(current_hash.replace(/^#/,''));}}else if($.browser.safari){if(!jQuery.dontCheck){var historyDelta=history.length-jQuery.historyBackStack.length;if(historyDelta){jQuery.isFirst=false;if(historyDelta<0){for(var i=0;i<Math.abs(historyDelta);i++)jQuery.historyForwardStack.unshift(jQuery.historyBackStack.pop());}else{for(var i=0;i<historyDelta;i++)jQuery.historyBackStack.push(jQuery.historyForwardStack.shift());}var cachedHash=jQuery.historyBackStack[jQuery.historyBackStack.length-1];if(cachedHash!=undefined){jQuery.historyCurrentHash=location.hash;jQuery.historyCallback(cachedHash);}}else if(jQuery.historyBackStack[jQuery.historyBackStack.length-1]==undefined&&!jQuery.isFirst){if(document.URL.indexOf('#')>=0){jQuery.historyCallback(document.URL.split('#')[1]);}else{var current_hash=location.hash;jQuery.historyCallback('');}jQuery.isFirst=true;}}}else{var current_hash=location.hash;if(current_hash!=jQuery.historyCurrentHash){jQuery.historyCurrentHash=current_hash;jQuery.historyCallback(current_hash.replace(/^#/,''));}}},historyLoad:function(hash){var newhash;if(jQuery.browser.safari){newhash=hash;}else{newhash='#'+hash;location.hash=newhash;}jQuery.historyCurrentHash=newhash;if((jQuery.browser.msie)&&(jQuery.browser.version<8)){var ihistory=$("#jQuery_history")[0];var iframe=ihistory.contentWindow.document;iframe.open();iframe.close();iframe.location.hash=newhash;jQuery.historyCallback(hash);}else if(jQuery.browser.safari){jQuery.dontCheck=true;this.historyAddHistory(hash);var fn=function(){jQuery.dontCheck=false;};window.setTimeout(fn,200);jQuery.historyCallback(hash);location.hash=newhash;}else{jQuery.historyCallback(hash);}}});var fl=0;var ch;function getFlashMovieObject(movieName){if(window.document[movieName]){return window.document[movieName];}if(navigator.appName.indexOf("Microsoft Internet")==-1){if(document.embeds&&document.embeds[movieName])return document.embeds[movieName];}else
{return document.getElementById(movieName);}}function bfc(hsh){ssh=document.location.href;ssh=ssh.replace(/^.*#/,'');if(hsh==1){hsh='materials';}else if(hsh==2){hsh='collections';}else if(hsh==0){hsh='home';}if(ssh==hsh){}else
{$.historyLoad(hsh);}}function dfp(){fl=1;hash=document.location.href;hash=hash.replace(/^.*#/,'');if(ch!=null){var flashMovie=getFlashMovieObject("index");if(hash=='materials'){flashMovie.methodName1();}else if(hash=='collections'){flashMovie.methodName2();}}}function pageload(hash){if(hash){ssh=document.location.href;ssh=ssh.replace(/^.*#/,'');if(fl==1){var flashMovie=getFlashMovieObject("index");if(hash=='home'){flashMovie.methodName();}else if(hash=='materials'){flashMovie.methodName1();}else if(hash=='collections'){flashMovie.methodName2();}var COOKIE_NAME='ct';var options={path:'/',expires:10};}else
{if(hash!='home'){ch=hash;}}}else
{$("#load").empty();}}$(document).ready(function(){if($.browser.safari){var COOKIE_NAME='ct';var options={path:'/',expires:10};if($.cookie(COOKIE_NAME)=='1'){$.cookie(COOKIE_NAME,null,options);window.location.reload(false);}}$.historyInit(pageload);});

