This site tested for next screen resolutions

• 800x600, 32 bit, full screen
• 800x600, 24 bit, full screen
• 800x600, 16 bit, full screen
• 1024x768, 32 bit, window
• 1024x768, 24 bit, window
• 1024x768, 16 bit, window

and in next browsers

• Opera 7.22 with Java
• Internet Explorier 5
• Internet Explorier 6

For other browsers and resolutions this site do not tested !