function doInitIE() {
		var extra = $('twoCol').offsetHeight;
		var mainHeight = $('content-left').offsetHeight;
		var theHeight=mainHeight - extra;
		$('leftCol').style.height = theHeight;
		$('rightCol').style.height = theHeight;
	}

	Event.observe(window, 'load', doInitIE);
	Event.observe(window, 'resize', doInitIE);