// 4Psite lib
function popup(mylink, windowname,popw, poph)
{
if (! window.focus)return true;
var href;
var msg;
if (typeof(mylink) == 'string')
   href=mylink;
else
   href=mylink.href;
msg =  'width=' + popw + ',height=' + poph + ',left=50,top=100, location=no, scrollbars=yes';
window.open(href, windowname, msg);
return false;
}