html () doesn't load graphics when pressing back in nokia phones and other phones.

Question

Hi,
I am developing web application that runs on different mobile device like nokia, and etch. Below is the sequence of problem.
There are Home.aspx and Detail.aspx. These two pages has image in header (eg. image.gif)
1. Browse home.aspx, the image is being loaded successfully when first loading.
2. Click Details.aspx button, it loads details.aspx page.
3. Click back menu in cellphone (eg. nokia lower models), the image doesn't load.
Thanks,
Jaypee