//设置滑业选择卡功能函数
function chkCss(thisObj,Num)
{
	if(thisObj.className == "on")return;   
	var tabObj = thisObj.parentNode.id;
	var tabList = document.getElementById(tabObj).getElementsByTagName("li");
	for(i=0; i <tabList.length; i++)
	{
		if (i == Num)
		{
			thisObj.className = "on";
			document.getElementById(tabObj+"_"+i).style.display = "block";
		}else
		{
			tabList[i].className = "";
			document.getElementById(tabObj+"_"+i).style.display = "none";
		}
	}
}