// JavaScript Document

function recover(rid){
	if(document.getElementById("subnav_0"+rid).className!="act"){
	document.getElementById("subnav_0"+rid).className=""	}
	}

function bgswicth(id){		
	if(document.getElementById("subnav_0"+id).className!="act"){
	document.getElementById("subnav_0"+id).className="hov"	}
	
	}
//////////////////////////////////////

var vSpan = 5;
var vSpan2= 5
var svSpan =5 
var svSpan2 = 5

function menushow(){	
	var ceng=document.getElementById("menu");	
	var ceng2=document.getElementById("menubg");
	ceng.style.top = ceng.offsetTop + vSpan+"px";
	ceng2.style.top = ceng2.offsetTop + vSpan+"px";
	var times2= setTimeout("menushow()", 0);
	if(parseInt(ceng.offsetTop) >= 0)
				{
					clearTimeout(times2)
					vSpan = 0	
					svSpan = 0
				}
}


function menuhide(){
	var ceng2=document.getElementById("menubg");
	var ceng=document.getElementById("menu");
	ceng.style.top = ceng.offsetTop - vSpan2+"px";
	ceng2.style.top = ceng2.offsetTop - vSpan2+"px";
	var times= setTimeout("menuhide()", 1);
	if(parseInt(ceng.offsetTop) <= -80)
				{					
					clearTimeout(times)
					vSpan = 5
					svSpan = 5
				}
}