window.open not working

Hello all. I have one computer at work that will not open the below popup. It's just this one pc and she does not have any sort of pop up blocker. Javascript is enabled also. What else can I check??
<script language='JavaScript'>

window.open('jobs.php?from=$fromsql&to=$tosql&search=yes', '',
'width=700,height=500,menubar=yes,scrollbars=yes,toolbar=no,resizable=yes,status=yes,left=0,top=0')

</script>

MSIE6 comes with popup blocking enabled by default.
Firefox also does.
Check those first.

Norton suite has popup blocking that actually changes the source of HTML pages to block window.open calls and changes code for ad blocking and whatnot. View the source of the page from her PC and make sure your code is even still there.

Last, are you SURE she doesn't have a popup blocker? Some people don't even realize they have one. Sad, but true.