function fixH(one,two) {
		if (document.getElementById(one)) {
			var lh=document.getElementById(one).offsetHeight;
			var rh=document.getElementById(two).offsetHeight;
			var nh = Math.max(lh, rh);
			document.getElementById(one).style.height=nh+"px";
			document.getElementById(two).style.height=nh+"px";
		}
	}
	
	window.onload=function(){
		fixH('leftcolumn','rightcolumn');
	}