function openwnd (url, name, x, y, width, height)
{
    var f = window.open (url, name, "toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,center=yes,scroll=yes,width="+width+",height="+height);
    f.moveTo (x, y);
    f.focus ();
    return false;
}