function setValue(newval)
	{
		window.globalItem = newval;
	}
	function getValue()
	{	
		if(!window.globalItem){
			document.getElementById('item1').className = "item";
		}
		if(window.globalItem){
			document.getElementById(window.globalItem).className = "item";
		}
	}

	function changewindow(itemval){
		getValue();
		document.getElementById(itemval).className = "selected";
		setValue(itemval);

	
	}