/*¤Á´«ªí³æ*/
function subshow(subName){
	var obj = document.getElementsByTagName("div");
	for (var i = 0; i < obj.length; i++) {
		if (obj[i].id.indexOf("sub")==0)
		{
			obj[i].style.display = "none";
		}
	}
	if (document.getElementById(subName).style.display == "none") 
		{
		document.getElementById(subName).style.display = "block";
		} 
}