javascript...popup a message box in IE

OK. I have just javascript that pops up a message box to say some fields arn't filled in.

Now, how can I change the "Microsoft Internet Explorer" caption of the message box?

We can't use VB Script as we need this run to on FireFox and Netscape.

Any ideas?

Woof

You can't change the caption of it.

It's not going to say "Microsoft Internet Explorer" if you run that in FF, btw.

Type this into the address bar and see for yourself:

Code:

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javascript:alert('WokaBooBooHead');

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