Some explanations:Most of parameters are obvious, but MESSAGE needs to be explained. Messages should be enumerated from 0 to n, without missed numbers. If any number is missed, then the applet won't search for the next message. Message value includes several tokens separated by "|" character.

"headerfontsettings |HeaderItself |messagefontsettinfs |MessageItselfHere |URLtoOpen"

Fontsettings consists of Fontname, FontStyle and FontColor (hexadecimal value without radix) separated by space character.
You can use one of the following platform independent fonts:

• Dialog
• InputDialog
• Helvetica
• Courier
• TimesRoman

Fontstyle is an integer number 0 for PLAIN, 1 for BOLD and 2 for ITALIC (you can use 3 for BOLDITALIC)