function openWindow(url, windowName) {
    if (!url) return;
    var strFeatures = "height=600, width=800, scrollbars=yes, resizable=yes, toolbar=yes, location=no, menubar=yes";
    window.open(url, windowName, strFeatures, true);
    return false;
}

function openDialogWindow(url, width, height, status, windowName) {
    if (!url) return;
    if (!width) width = 800;
    if (!height) height = 600;
    if (!status) status = "no";
    if (!windowName) name = "QPortalDialog";
    var strFeatures = "height=" + height + ", width=" + width + ", status=" + status + ", scrollbars=yes, resizable=yes, toolbar=no, location=no, menubar=no,top=200"
    window.open(url, windowName, strFeatures, true);
  
    return false;
}

function cl(t) { if (t.defaultValue == t.value) t.value = ''; }