"roy rogers"- two things... 1st thing: Welcome to the JavaRanch! We like to keeep a nice professional image here at the JavaRanch (despite the big one-eyed moose). Please adjust your displayed name to match the JavaRanch Naming Policy. You can change it here. 2nd thing: just to expand on Chris' reply -- it all depends on the browser and HOW the user creates this new window. If you open multiple Internet Explorer windows by double clicking on the IE icon -- each window will have a different Session ID. However if you use Ctrl+N to open a new window -- the two will have the same Session ID. No matter how you open a new Netscape window -- the windows will share a Session ID. It's a browser issue, you have no control over it. Hope that helps... Thanks in advance for fixing your displayed name and again welcome to the JavaRanch!