...
Here's how to set this up:
Open Firefox and pull down the menu in the upper left corner (if you are using a different/earlier version of Firefox, go to the Tools pull-down menu and choose Options
Go to Tools and select OptionsSelect , then Options ( again
)
In Options, choose the Applications Tab and locate "mailto" in the list under Content Type
to the right for the mailto options
Choose
Pull down the menu where it currently says "Use Novell GroupWise ..." and Select "Use Gmail"
Before you close the Options box, click OK to save the setting
This will enable Firefox to choose your Gmail account when you click on any link that should point to email.then do this