Browser Sniffer to Identify Firefox

[rynobot]

Can anyone show me or point me to a tutorial that will illustrate how to write a browser sniffer script which will identify firefox and call a function if the user is in firefox.

thanks.

[claudio]

Can you tell me why do you want to do that?

[Templarian]

http://letmegooglethatforyou.com/?q=javascript+detect+firefox

[rynobot]

Can you tell me why do you want to do that?

As a fall back in case a web application which a client is using is not updated in time to support iFrames in Firefox.