Firefox 1.5.0.3 cannot display

Hi All,
I download the ActiveWidgets to integrate into the php. But use the Firefox 1.5.0.3, it was not display the grid. I search the fully Support Forum and follow-up the any solution. Finally the problem cannot to solve. Can you help me to solve it ?

Do you have any errors in javascript console? Can you see the demos on this website ?

http://www.activewidgets.com/general.demos/