// JavaScript Document

	var scrollhoehe = document.documentElement.scrollHeight;
	var clienthoehe = document.documentElement.clientHeight;
	var contenthoehe = document.getElementById('content').offsetHeight;
	
	if (scrollhoehe < clienthoehe){
		scrollhoehe = clienthoehe;
	}else{
	}
	var footerhoehe = scrollhoehe - contenthoehe;
	document.getElementById('left_shadow').style.height = scrollhoehe+"px";
	document.getElementById('center_box').style.height = scrollhoehe+"px";
	document.getElementById('right_shadow').style.height = scrollhoehe+"px";
	document.getElementById('footer').style.marginTop = (footerhoehe - 200)+"px";