How to view and use the Attachments window behind 3 open custom form windows?

 I'm new at Oracle forms. I'm using Oracle forms builder for 10g forms - all custom. I'm using an Oracle template provide by our contractors.  I have 3 forms that I developed and are open when I click on the Attachement Icon on the menu bar.  The form launches behind my custom forms.  I can see it in the listing under the WINDOW on the tool bar, but the Attachment forms does not display as the form of focus and I cannot select it from the Window listing.  I can close the custom forms, back to the initial menu form and