function gblModalPopupPage(URL, w, h)
{
    var l = (screen.width-w)/2;
    var t = (screen.height-h)/2;
    
    popup = window.open(URL, "MenuPopup", "modal=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,dependent=yes,left="+l+",top="+t+",width="+w+",height="+h);
    popup.focus();
}