var d = document;
// based on script by Paul Bellows; mod. by Avid Technology, Inc.
function evenColumns() {
	if (d.getElementById) { // determine if browser uses DOM
		var newsHeight = d.getElementById('NewsEventsTable'); 
		var showHeight = d.getElementById('ShowcaseTable'); 
		var downHeight = d.getElementById('Down_Tut'); 
		var promoHeight = d.getElementById('PromoTable');
		
		if ((newsHeight.offsetHeight >= showHeight.offsetHeight) && (newsHeight.offsetHeight >= downHeight.offsetHeight) && (newsHeight.offsetHeight >= promoHeight.offsetHeight)) {
			showHeight.style.height = (newsHeight.offsetHeight) + 'px';
			downHeight.style.height = (newsHeight.offsetHeight) + 'px';
			promoHeight.style.height = (newsHeight.offsetHeight) + 'px';
			newsHeight.style.height = (newsHeight.offsetHeight) + 'px';
		} else if ((showHeight.offsetHeight >= downHeight.offsetHeight) && (showHeight.offsetHeight >= promoHeight.offsetHeight)) {
				newsHeight.style.height = (showHeight.offsetHeight) + 'px';
				downHeight.style.height = (showHeight.offsetHeight) + 'px';
				promoHeight.style.height = (showHeight.offsetHeight) + 'px';
				showHeight.style.height = (showHeight.offsetHeight) + 'px';
		} else if (downHeight.offsetHeight >= promoHeight.offsetHeight) {
				newsHeight.style.height = (downHeight.offsetHeight) + 'px';
				showHeight.style.height = (downHeight.offsetHeight) + 'px';
				promoHeight.style.height = (downHeight.offsetHeight) + 'px';
				downHeight.style.height = (downHeight.offsetHeight) + 'px';
		} else {
				newsHeight.style.height = (promoHeight.offsetHeight) + 'px';
				showHeight.style.height = (promoHeight.offsetHeight) + 'px';
				downHeight.style.height = (promoHeight.offsetHeight) + 'px';
				promoHeight.style.height = (promoHeight.offsetHeight) + 'px';
		}
		
	}
}
//event firings
window.onload = function() {
	evenColumns();
}