function querySt(ji) {
hu = window.location.search.substring(1);
gy = hu.split("&");
for (i=0; i<gy.length; i++) {
ft = gy[i].split("=");
if (ft[0] == ji) {
return ft[1];
}
}
}

function SwitchMenu(obj, obj1) {

var header=imageMap1[obj+"_Header"];
var navigation=imageMap1[obj+"_Navigation"];

	// to set a tag current to make menu collapse
	var nel = document.getElementById('a'+obj);
nel.setAttribute("class", "current");
nel.setAttribute("className", "current");

	var vimg = document.getElementById("img_0"); 
	vimg.setAttribute("src", navigation);
	var el = document.getElementById(obj);
	var ar = document.getElementById("sidebarNav").getElementsByTagName("ul"); 

		if(el.style.display != "block"){ 
			for (var i=0; i<ar.length; i++){
			if (ar[i].className=="submenu") 
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		}else{
			el.style.display = "none";
		}
		if (obj1 != '')
		{
	
		// to set h3 tag current to make submenu highlighted
var nel1 = document.getElementById(obj1);
nel1.setAttribute("class", "current");
nel1.setAttribute("className", "current");
	}
	}
//}

var menu= querySt("menu");
var smenu= querySt("submenu");
if (smenu==undefined){var smenuname='';}else{	var smenuname=menu+"_"+smenu;}
function start(){ SwitchMenu(menu,smenuname) }
if (menu != undefined ){ window.onload=start; }