function AnyHeight() {
    var top1 = document.getElementById("top-r").offsetTop;
    var bottom1 = document.getElementById("bottom-r").offsetTop;
    var height1 = bottom1 - top1;

    var top2 = document.getElementById("top-l").offsetTop;
    var bottom2 = document.getElementById("bottom-l").offsetTop;
    var height2 = bottom2 - top2;

    if (height1 >= height2)
        document.getElementById("left-col").style.height = height1 + 'px';
    else
        document.getElementById("right-col").style.height = height2 + 'px';
}