// On post load, retrieve the height of the tallest column and set all columns to it.
Event.observe(window,"load",function(){
	var maxHeight = 0;
	for(var i=1; i<=3;i++){
		var currHeight = $('col' + i).offsetHeight;
		if(currHeight > maxHeight){maxHeight = currHeight;}
	}	
	for(i=1; i<=3;i++){
		$('col' + i).style.height = maxHeight + 'px';
	}
},false);