// JavaScript Document
var mymenu=new Array()
mymenu[0]="body_index";
mymenu[1]="body_about";
mymenu[2]="body_news";
mymenu[3]="body_case";
mymenu[4]="body_project";
mymenu[5]="body_server";
mymenu[6]="body_contact";
window.onload=function(){
var a=document.getElementById("menu").getElementsByTagName("span");
var b=document.getElementsByTagName("body")[0].id;
for(t=0;t<mymenu.length;t++)
if(mymenu[t]==b){
		a[t].className="menu_now";
		}
}

function showdiv(num){
	var spanlength=document.getElementById("menu").getElementsByTagName("span");
	var ul=document.getElementById("menu").getElementsByTagName("ul");
for(i=0;i<spanlength.length;i++){
	//alert(i);
	if(num==i){
		var li=ul[i].getElementsByTagName("li").length;
		 if(li>0){
			ul[i].style.display="block";
		 }
	spanlength[i].className="menu_now";
	}else{
	ul[i].style.display="none";
	spanlength[i].className="";
	}
}
}

function closediv(num){
var spanlength=document.getElementById("menu").getElementsByTagName("span");
var ul=document.getElementById("menu").getElementsByTagName("ul");
ul[num].style.display="none";
var b=document.getElementsByTagName("body")[0].id;
for(t=0;t<mymenu.length;t++){
	if(mymenu[t]==b){
		spanlength[t].className="menu_now";
		}else{
			spanlength[t].className="";
		}
}
}