// JavaScript Document

function updateLayout() {
	var site 			= document.getElementById("main_menue");
	var avail_height 	= site.offsetHeight;

	
	//alert("site = " + avail_height + "px\nbg = " + need_height + "px\nscreen =" + document.body.clientHeight);
	
	if(avail_height < document.body.clientHeight){
		background.style.height = "100%";
	}
	if(avail_height >= document.body.clientHeight){
		background.style.height = avail_height + "px";
	}
	
	//need_height		= background.offsetHeight;
	//alert("Background: " + background.style.height);
	//alert("site2 = " + need_height + "px");
}