function SwitchMenu(obj){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var arrow = document.getElementById(obj.substring(1)+"img");
	var ar = document.getElementById("cont").getElementsByTagName("DIV");
		if(el.style.display == "none"){
			for (var i=0; i<ar.length; i++){
				var tmp = document.getElementById(ar[i].id.substring(1) + "img");
				ar[i].style.display = "none";
				tmp.src = "images/select_arow.gif";
				
				tmp = document.getElementById(ar[i].id.substring(1));
				tmp.className = "normalGroup";
			}
			el.style.display = "block";
			tmp = document.getElementById(el.id.substring(1));
			tmp.className = "selectGroup";
			arrow.src = "images/down_arow.gif";
		}else{
			el.style.display = "none";
			tmp = document.getElementById(el.id.substring(1));
			tmp.className = "normalGroup";
			arrow.src = "images/select_arow.gif";
		}
	}
}
function ChangeClass(menu, newClass) { 
	 if (document.getElementById) { 
	 	document.getElementById(menu).className = newClass;
	 } 
} 
function focusCategory(obj)
{
	if (document.getElementById) { 
		//var el = document.getElementById(obj);
		//el.className = "selectCategory";

		var tmp = document.getElementById(obj + "img");
		tmp.src="images/select_arow.gif";
	}
}
function unfocusCategory(obj)
{
	if (document.getElementById) { 
		//var el = document.getElementById(obj);
		//el.className = "normalCategory";

		var tmp = document.getElementById(obj + "img");
		tmp.src="images/spacer.gif";
	}
}