function GetHeight(elmwID, elmID) {
    var elm = document.getElementById(elmID);
    var elmb = Sys.UI.DomElement.getBounds(elm);

    var elmW = document.getElementById(elmwID);
    var elmWb = Sys.UI.DomElement.getBounds(elmW);

    if (elmb.height >= elmWb.height) {
        elmW.style.height = elmb.height - 158 + "px";
    }
}