Click on the Sidekick Quickfind button (bottom left) and go to the Web Browser application.
Some page will load, it will vary.
Click on the Sidekick Menu button (top left). From the scroll-down menu, select "Settings" by pushing-in on the right-side thumbwheel.
In the text box under "Home Page URL", enter (exactly): http://www.askbill.com
and then select again, then click on "Done".