// adds a function to the page onload, so we don't overwrite existing onload functions
function addOnLoad(f) {
    var currentOnLoad = window.onload;
    if (typeof window.onload != "function") {
        window.onload = f;
    } else {
        window.onload = function() {
            currentOnLoad();
            f();
        }
    }
}
function resizeColumns() {
    var rightH = Element.getHeight( 'rightCol' );
	var leftH = Element.getHeight( 'leftCol' );
	if (rightH > leftH) Element.setStyle('leftCol', {height:(rightH)+"px"} );
}
addOnLoad(resizeColumns);