//----------导航样式js----------
/*var url=window.location.href.toLowerCase();
var aId;
if(url.indexOf(".shtml")>-1)
{
    aId=url.substring(url.lastIndexOf('/')+1);
	aId=aId.substring(0,aId.indexOf('.'));
}
else
{
    aId="index";
}

try
{
    document.getElementById(aId).className="atthis";
}
catch(err)
{
}
*/