Demo of infobox

[form myform][section half]

[row "Enter Box message:"][input boxmsg$ size=100%/10 event=testinfo@event]
(The above input is called boxmsg$)[/row]

Below is the infobox defined as \[show mybox$ class=infobox\]

[show mybox$ class=infobox]

The logic to update the message was:

%webster'update("mybox$",boxmsg$)

[/section][/form]