function ChangeBgcolor(obj){
	obj.parentNode.cssText="background-image: url(../images/nav_bg2.jpg)";
}
// JavaScript Document

function getObj(name){
	return document.getElementById(name);
}

function showsubmenu(id){
	
	if(getObj("submenu" + id).style.display=="none"){
		getObj("submenu" + id).style.display="";
	}
	else{
		getObj("submenu" + id).style.display="none";
	}
}