Unfortunately, your current system is not compatible with some of the advanced features of iBuilder 5.1.
In order to enjoy the added benefits of iBuilder 5.1, you will need to update your browser.

Macintosh users please note: iBuilder 5.1 now supports OS X (Safari, Firefox, etc.) and OS 8.5/9 (Netscape 7). See the links below to download a supported browser for the Macintosh operating system.

iBuilder 5.1 System Requirements: