function popup (x,y,link)
{
    window.open(link, "", "width="+x+",height="+y+",dependent=yes,directories=no,location=no,menubar=no,resizable=yes,scrollbars=yes,toolbar=no");
    return false;
}
function close_me (win)
{
    if(win !=null) {
        win.close();
    }
}