function OpenPopup(url) {
    fenster = window.open(url, "_blank", "width=400,height=400,status=yes,scrollbars=yes,resizable=yes");
    fenster.focus();
    return false;
}


function clickButton(e, buttonId) {
    var evt = e ? e : window.event;
    var bt = document.getElementById(buttonId);

    if (bt) {
        if (evt.keyCode == 13) {
            bt.click();
            return false;
        }
    }
}