var pause = false;
	var con_num = 5;
	var startIndex = 1;
	function setTab(/*string*/name,/*int*/ itemCnt,/*int*/ curItem, /**/classHide, /**/classShow)
	{
	for(i=1;i<=itemCnt;i++)
	{
		eval("document.getElementById('tab_" + name + "_" + i + "').className='" + classHide + "'");
	}	
	eval("document.getElementById('tab_" + name + "_" + curItem + "').className='" + classShow + "'");
	
	for(i=1;i<=itemCnt;i++)
	{
		eval("ele_hide = document.getElementById('con_" + name + "_" + i +"')");
		if(ele_hide) ele_hide.style.display = "none";
	}
	eval("ele_play = document.getElementById('con_" + name + "_" + curItem + "')");
	if(ele_play) ele_play.style.display = "block";
	}


function setLoop(){
		try{
			setInterval('scrollTopHome()', 5000);
		 }catch(e){alert(e.toString());}
	}
	function scrollTopHome(){
		if(pause) return;
		startIndex += 1;
		if(startIndex > con_num){startIndex = 1;}
		setTab('tophome',5,startIndex,'a1','a2');
	} 
	setLoop();