Firefox 3 has a feature that allows the user to create an Internet Explorer tab within the Firefox browser. This feature allows you to use IE functionality without having to launch two browsers.

After installing Firefox 3, www.firefox.com

Click Tools then Add-ons, Get Addons, and choose the IE tab.

This will ask you to restart the browser.  Click Options then Add ons and type http://www.gamls.com/* to the list.

Once in Firefox, click the Rexplorer link on the GAMLS homepage and the IE tab will launch.