function fixColumnPosition() {
	var left = document.getElementById("leftSpacer");
	var right = document.getElementById("rightSpacer");

	var lh = left.clientHeight;
	var rh = right.clientHeight;

	if (!lh) lh = left.scrollHeight;
	if (!rh) rh = right.scrollHeight;

	if (lh > rh) {
		right.style.width = "100%";
		right.style.marginBottom = (lh - rh).toString() + "px";
	} else if (rh > lh) {
		left.style.width = "100%";
		left.style.marginBottom = (rh - lh).toString() + "px";
	}
}

if (window.addEventListener) {
	window.addEventListener("load", fixColumnPosition, false);
} else {
	window.attachEvent("onload", fixColumnPosition);
}