// JavaScript Document
function measure() {
	oFiller = document.getElementById("filler");
	contentHeight = document.getElementById("mainarea").offsetHeight;
	rightHeight = document.getElementById("navigationRight").offsetHeight;
	difference = (contentHeight - rightHeight);
	if ( contentHeight < rightHeight ) { 
				oFiller.style.display = 'none'; 
		}  
		else { 
			oFiller.style.height = (difference) + 20 + "px";
		}  
}

    /* calls the function after the page is loaded */
		addLoadEvent( measure );
		addResizeEvent( measure );