function mh2_getHeight(el) {
    var a = $(el).getCoordinates().bottom;
    return a;
}

function maxheight2() {
    var els = $$('.maxheight2');
    var bottom = 0;
    for (var i=0; i<els.length; i++) {
        var elbottom = mh2_getHeight(els[i]);
        if (elbottom > bottom) {
            bottom = elbottom;
        }
    }
    for (var i=0; i<els.length; i++) {
        var elbottom = mh2_getHeight(els[i]);
        var pad = bottom-elbottom;
        if (pad == 0) continue;
        var padder = document.createElement('DIV');
        padder.style.height = pad + 'px';
        els[i].appendChild(padder);
    }
}