function SetVarHeight() { 
var LeftNavigationTDHeight = document.getElementById('LeftNavigationMenuTD').scrollHeight;
var MainContentTDHeight  = document.getElementById('MainContentTD').scrollHeight;

if (LeftNavigationTDHeight > MainContentTDHeight)
{	
	document.getElementById('FooterTable').style.height = (LeftNavigationTDHeight - MainContentTDHeight) + "px";
	document.getElementById('FooterTDBuffer').style.height = (LeftNavigationTDHeight - MainContentTDHeight) + "px"; 
}else
{
	document.getElementById('LeftNavigationInnerTable').style.height = MainContentTDHeight + "px";
}

}