function PopupNew(url)
{
    var wndAttr = "width=530,height=450,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes";
    wndPopup = window.open(url, "_blank", wndAttr); // url, window-name, window-attribute
    wndPopup.focus();
}

function PopupReuse(url, wndName)
{
    var wndAttr = "width=530,height=450,toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes";
    wndPopup = window.open(url, wndName, wndAttr); // url, window-name, window-attribute
    wndPopup.focus();
}