initPage = function() {
	if(document.getElementById && document.getElementById("leftcolumn")) {
		setHeights("leftcolumn", "centercolumn");
	}
}

function setHeights() {
    res = setHeights.arguments;
    heighest = 0;
    for (i=0; i<res.length; i++) {
        thisHeight = document.getElementById(res[i]).scrollHeight;
        if (thisHeight > heighest)
            heighest = thisHeight;
    }
    for (i=0; i<res.length; i++) {
        newHeight = heighest;
        document.getElementById(res[i]).style.height = newHeight + "px";
    }
}
window.onload = initPage;