Blocks shows no data in IE7

Hi,

I enabled and configured the module and it works perfectly fine under FireFox. But in IE7, the chat block dont shows any data. Here are my findings

1-Upon viewing the source of iFrame, the source is same as I see on FF (but it seems that the generated data is invisible in IE7)
2-Then, I removed every < script tags and java script function calls from the output. This still gave me the latest chat log in the generated html (but no sign of viewing the chat visually)
3-It seems that the problem is with the div tags such that IE7 is just not going to display that data.

Thanks
Adnan