FireFox / Mozilla / Netscape
Drag the following link to your Home button.
Go to Safari's Preferences, click on General and enter in the Home Page field:
Then close the Preferences dialog by clicking the red circle/x located in the top left hand corner of the box.
Go to Opera's Preferences, click on the General tab and enter in the Home Page field:
Then click 'Ok'.
For other browsers or very old versions please see the software documentation.