function popup(mylink, windowname)
{
if (! window.focus)return true;
var href;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
window.open(href, windowname, 'width=600,height=660,scrollbars=no,resizable=no,toolbar=no,menubar=no,directories=no,location=no,status=no');

return false;
}