//导航菜单-----------------------------------------------------------------------------------------
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 OpenClose1(CID)
{
	if (document.getElementById('C1_'+CID).style.display=="none")
	{
		if(oldOpen1 != 0){
			document.getElementById('C1_'+oldOpen1).style.display = "none";
			document.getElementById('CC1_'+oldOpen1).className = "hoverclose";
		}
		oldOpen1 = CID;
		document.getElementById('C1_'+CID).style.display = "";
		document.getElementById('CC1_'+CID).className = "cur";
	}else{
		document.getElementById('C1_'+CID).style.display = "none";
		document.getElementById('CC1_'+CID).className = "hoverclose";
		oldOpen1 = 0;
	}

}

var oldOpen2 = 0;
function OpenClose2(CID)
{
	if (document.getElementById('C2_'+CID).style.display=="none")
	{
		if(oldOpen2 != 0){
			document.getElementById('C2_'+oldOpen2).style.display = "none";
			document.getElementById('CC2_'+oldOpen2).className = "hoverclose";
		}
		oldOpen2 = CID;
		document.getElementById('C2_'+CID).style.display = "";
		document.getElementById('CC2_'+CID).className = "cur";
		
	}else{
		document.getElementById('C2_'+CID).style.display = "none";
		document.getElementById('CC2_'+CID).className = "hoverclose";
		oldOpen2 = 0;
	}

}