my header_include looks like this
<script language=JavaScript>
<!--
chkwin = false;
//-->
</script>
<!-- Popup check email window if logging on -->
<%if login_state%>
<%if pop_num%>
<%if options_mailbox_download_email%>
<script language=JavaScript>
<!--
if (!chkwin) {
chkwin = window.open('webmail.cgi?<%url_hidden%>&page=pop_stream.htm&rand=' + Math.random(), 'status', 'scrollbars=yes,width=330,height=150');
}
//-->
</script>
<%endif%>
<%elsif account_mode eq 'individual_pop'%>
<%if options_mailbox_download_email%>
<script language=JavaScript>
<!--
if (!chkwin) {
chkwin = window.open('webmail.cgi?<%url_hidden%>&page=pop_stream.htm&rand=' + Math.random(), 'status', 'scrollbars=yes,width=330,height=150');
}
//-->
</script>
<%endif%>
<%endif%>
<script language=JavaScript>
<!--
chkwin = false;
//-->
</script>
<!-- Popup check email window if logging on -->
<%if login_state%>
<%if pop_num%>
<%if options_mailbox_download_email%>
<script language=JavaScript>
<!--
if (!chkwin) {
chkwin = window.open('webmail.cgi?<%url_hidden%>&page=pop_stream.htm&rand=' + Math.random(), 'status', 'scrollbars=yes,width=330,height=150');
}
//-->
</script>
<%endif%>
<%elsif account_mode eq 'individual_pop'%>
<%if options_mailbox_download_email%>
<script language=JavaScript>
<!--
if (!chkwin) {
chkwin = window.open('webmail.cgi?<%url_hidden%>&page=pop_stream.htm&rand=' + Math.random(), 'status', 'scrollbars=yes,width=330,height=150');
}
//-->
</script>
<%endif%>
<%endif%>