Event.observe(window,'load',function(){
	var preloadImagesArray=['nav_bg.gif','nav_li_bg.gif','nav_over_left.gif','nav_over_right.gif','nav_sec_bg.png','nav_sec_li_bg.png','nav_bar_bg.gif','home_spot_li_bg.png','nav_sec_bg_ie.gif','home_spot_li_bg.gif'];
	preloadImages(preloadImagesArray,'/templates/diannao51/skins/xhtml/images/');
	try{preloadImages(imageArray,'/images/topics');}catch(e){}
	document.getElementsByClassName('tabs').each(function(tab_group){
		tabs=new Control.Tabs(tab_group,{setClassOnContainer:true,containerDistance:2,activeClassName:'on',linkSelector:'li span a'});
		tabs.first();
	});
	document.getElementsByClassName('tabs-mini').each(function(tab_group){
		tabs=new Control.Tabs(tab_group,{setClassOnContainer:true,containerDistance:1,activeClassName:'on',linkSelector:'ul li a'});
		tabs.first();
	});
	try{App();}catch(e){}
	var authCode=getCookie('phpcms_auth');
	var loginLinkHolder=$('account');
	var isAuthenticated=false;
	if(authCode!=null){if(authCode.length>10){isAuthenticated=true;}}
	var authLink=document.createElement("li");
	if(isAuthenticated){loginLinkHolder.innerHTML='&nbsp;<a href="/member/logout.php"><strong>退出系统</a></strong>&nbsp;';}else{loginLinkHolder.innerHTML='&nbsp;<a href="/member/login.php"><strong>登录管理平台</strong></a>&nbsp;';}

});