function initTabs(){
	
			var tabs = $("tabs");
			var caption = $("caption");
			caption.appendChild(tabs);
			var noContents = $("noContents");
			var haveContents = $("haveContents");
			noContents.innerHTML = haveContents.innerHTML;
			haveContents.innerHTML = "";
		//得到所有的标签容器div
		var allTitles = getElementsByClassName("tts",$("tabs"),"div");
		//得到所有的内容容器div
		var allContents = getElementsByClassName("tcs",$("tabs"),"div");
				
		//初始化标签的事件
		for(var i=0;i<allContents.length; i++)
		{
			var titles = allTitles[i].getElementsByTagName("div");
			var contents = allContents[i].getElementsByTagName("div");
			for(var j=0;j<titles.length;j++)
			{
				titles[j].onclick = function(num){
									return function(){
										//初始化
										initTabsStyle(titles,contents);
										//设置样式
										titles[num].setAttribute("class","tabed");
										titles[num].setAttribute("className","tabed");
										contents[num].style.display = "block";
									};
								}(j);
			}
			titles[0].setAttribute("class","tabed");
			titles[0].setAttribute("className","tabed");
			contents[0].style.display = "block";
		}
				
	}
	//初始化样式
	function initTabsStyle(titles,contents){
		for(var j=0;j<titles.length;j++)
		{
			titles[j].setAttribute("class","");
			titles[j].setAttribute("className","");
			contents[j].style.display = "none";
		}
	}