pointing to localhost from remote server

Hi, I have a system running on my main server containg separate user and staff interfaces to the same MySQL databases. Part of my process involves spawning off pdf front covers to a local directory, grabbing files from an archive on a networked pc and adding them together to ftp back to the server (which, incidentally is 70 miles away). My own machine runs IIS5/PHP5 and the Java classes to do the pdf joining. I have a link on a server mounted page that opens the localhost page and successfully prints off the pdf covers. However, on completion, the popup disappears and I then get a 'file open/save' dialog box which, if I 'open' tries to open the php file in Dreamweaver (my chosen IDE). What should happen is that on completion, a smarty template should be opened. Has anyone experienced something similar or is there a solution? Cheers George