function Fensterhoehe () {
 var viewportwidth;
 var viewportheight;
 
 // the more standards compliant browsers (mozilla/netscape/opera/IE7) use window.innerWidth and window.innerHeight
 
 if (typeof window.innerWidth != 'undefined')
 {
      viewportwidth = window.innerWidth,
      viewportheight = window.innerHeight
 }
 
// IE6 in standards compliant mode (i.e. with a valid doctype as the first line in the document)

 else if (typeof document.documentElement != 'undefined'
     && typeof document.documentElement.clientWidth !=
     'undefined' && document.documentElement.clientWidth != 0)
 {
       viewportwidth = document.documentElement.clientWidth,
       viewportheight = document.documentElement.clientHeight
 }
 
 // older versions of IE
 
 else
 {
       viewportwidth = document.getElementsByTagName('body')[0].clientWidth,
       viewportheight = document.getElementsByTagName('body')[0].clientHeight
 }

 return viewportheight;
}

function resize()
{
	wrapperHeight=$("#wrapper").height();
	viewPortHeight = Fensterhoehe();

	//Wrapper hat immer Hoehe des Viewports
	if (viewPortHeight>wrapperHeight)
	{
		wrapperHeight=viewPortHeight;
		$("#wrapper").css("height",viewPortHeight+"px");
	}
	
	//Content hat die Hoehe vom Viewport-Header
	headHeight=$("#head").height()+parseInt($("#head").css("padding-top"));
	contentHeight=wrapperHeight-headHeight;
	$("#content").css("height",contentHeight+"px");
	
	//Footer muss unten sein
	$("#footer").css("padding-top",(contentHeight-$("#center").height()-18));
	
	$("#shadow_right").css("height",wrapperHeight+"px");
	$("#shadow_left").css("height",wrapperHeight+"px");
}