<FONT SIZE="+1" COLOR="#ff0000"><%= $error %></FONT>
<%= $selfurl =~ s/\?.*//; ''; %>
-<FORM ACTION="<%= $selfurl %>" METHOD=POST>
+<FORM NAME="SelectCustomerForm" ACTION="<%= $selfurl %>" METHOD=POST>
<INPUT TYPE="hidden" NAME="action" VALUE="switch_cust">
<INPUT TYPE="hidden" NAME="agentnum" VALUE="<%= $agentnum %>">
<TR>
<TH ALIGN="right">Customer </TH>
<TD>
- <SELECT NAME="custnum">
+ <SELECT NAME="custnum" ID="custnum" onChange="custnum_changed()">
<OPTION VALUE="">Select a customer
<%= $OUT .= qq(<OPTION VALUE="$_">). encode_entities( $customers{$_} )
foreach keys %customers;
</TR>
<TR>
- <TD COLSPAN=2 ALIGN="center"><INPUT TYPE="submit" VALUE="Select customer"></TD>
+ <TD COLSPAN=2 ALIGN="center"><INPUT TYPE="submit" ID="submit" VALUE="Select customer" DISABLED></TD>
</TR>
</TABLE>
</FORM>
+<SCRIPT TYPE="text/javascript">
+
+function custnum_changed () {
+ var form = document.SelectCustomerForm;
+ if ( form.custnum.selectedIndex > 0 ) {
+ form.submit.disabled = false;
+ } else {
+ form.submit.disabled = true;
+ }
+}
+
+</SCRIPT>
+
<%= $body_footer %>