//导航下拉菜单
function menu(){
var li=document.getElementById("nav").getElementsByTagName("li");
for(var i=0;i<li.length;i++){
li[i].onmouseover=function(){
this.className="navs";}
li[i].onmouseout=function(){
this.className="";}
}
}
window.onload=menu;

//折合菜单
var oldOpen1 = 0;
function OpenOrClose(CID)
{
    if (document.getElementById('Con_' + CID).style.display == "none")
	{
		if(oldOpen1 != 0){
		    document.getElementById('Con_' + oldOpen1).style.display = "none";
			document.getElementById('a'+oldOpen1).className = "hoverclose";
		}
		oldOpen1 = CID;
		document.getElementById('Con_' + CID).style.display = "";
		document.getElementById('a'+CID).className = "hover";
	}else{
	document.getElementById('Con_' + CID).style.display = "none";
		document.getElementById('a'+CID).className = "hoverclose";
		oldOpen1 = 0;
	}

}