<!--//--><![CDATA[//>
var isIE = navigator.userAgent.toLowerCase().indexOf("msie")!=-1;
var GO = function(elemId){
	if(document.getElementById){
		return document.getElementById(elemId);
	}else if(document.layers){
		document.layers[elemId];
	}else{
		return eval('document.all.' + elemId);
	}
}
var GetOffsetPos = function(element) {
	var posTop = 0, posLeft = 0;
	do {
		//msg(element.tagName +":"+ element.offsetLeft);//toBeDel2006-8-21ete
		posTop += element.offsetTop || 0;
		posLeft += element.offsetLeft || 0;
		element = element.offsetParent;
		} while (element);
		return [posLeft, posTop];
}
var subItem = null;
function NavOver(obj){
	obj.className = 'itemHover';
	if(isIE){
		subItem = GetSubItem(obj);
		if(!subItem) return false;
	}else{
		var tempItem = GetSubItem(obj);
		try{
			if(!subItem){
				subItem = document.createElement("DIV");
				subItem.className = "subItem";
				document.body.appendChild(subItem);
			}
			subItem.innerHTML = tempItem.innerHTML;
		}catch(e){}

	}
	var pos = GetOffsetPos(obj);
	subItem.style.left = pos[0]+1 + "px";
	subItem.style.top = pos[1] + 32 + "px";
	subItem.style.width = obj.offsetWidth-2 + "px";
	subItem.style.display = "block";
}
function NavOut(obj){
	obj.className = 'itemOff';
	if(isIE){
		subItem = GetSubItem(obj);
		if(!subItem) return false;
	}else{}
	subItem.style.display = "none";
}
function GetSubItem(obj){
	var items = obj.getElementsByTagName("div");
	for(var i=0;i<items.length;i++){
		if(items[i].className == "subItem") return items[i];
	}
	//alert("??????subItem");
	return false;
}
function Menu(mid,idx){
	for(var i=0;i<10;i++){
		if(!GO("m_"+mid+"_"+i)) break;
		GO("m_"+mid+"_"+i).className = "menuOff";
		GO("c_"+mid+"_"+i).style.display = "none";
	}
	GO("m_"+mid+"_"+idx).className = "menuOn";
	GO("c_"+mid+"_"+idx).style.display = "block";
}
//--><!]]>