// even out height of 2 columns
function fixH(one, two) {
	if (document.getElementById(one) && document.getElementById(two)) {
		var lh=document.getElementById(one).offsetHeight;
		var rh=document.getElementById(two).offsetHeight;
		if (lh > rh) {
			var nh = lh;
		} else {
			var nh = rh;
		}
		document.getElementById(one).style.height=nh+"px";
		document.getElementById(two).style.height=nh+27+"px";
	}
}

window.onload=function() {
	fixH('left_column', 'main_content');
}