var scrollCount=1;
var m=6;/*选项卡个数+1*/
var pauseTime=3*1000; /*数字越小移动的时间越快*/
var timer;
function switchTag(tag,content)
{
//	alert(tag);
//	alert(content);
	for(i=1; i <m; i++)
	{
		
		if ("tag"+i==tag)
		{
			document.getElementById(tag).getElementsByTagName("a")[0].className="selectli"+i;
			document.getElementById(tag).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="selectspan"+i;
			scrollCount=i;
		}else{
			document.getElementById("tag"+i).getElementsByTagName("a")[0].className="";
			document.getElementById("tag"+i).getElementsByTagName("a")[0].getElementsByTagName("span")[0].className="";
		}
		if ("content"+i==content)
		{
			document.getElementById(content).className="";
		}else{
			document.getElementById("content"+i).className="hidecontent";
		}
		document.getElementById("content").className=content;
	}
}

function tabScroll() {
 var tagx="tag"+scrollCount;
 var contentx="content"+scrollCount
 stopScroll();
 switchTag(tagx,contentx);
 scrollCount+=1;
 if (scrollCount==m) {
  scrollCount=1;
  }
  timer=setTimeout("tabScroll()",pauseTime);
 }

function stopScroll() {
 clearTimeout(timer);
 }