Google made the Google Toolbar, so they are the ones that need to fix it, not Mozilla. That said, the Google Toolbar "will not be supported on Firefox 5 and future versions."
http://googletoolbarhelp.blogspot.com/2011/07/update-on-google-toolbar-for-firefox.html

http://www.google.com/support/toolbar/bin/answer.py?answer=1342452&topic=15356%29

See if this extension gives you the Google Toolbar features you want: https://addons.mozilla.org/en-US/firefox/addon/googlebar-lite/

thank you,the googlebar lite worked

You're welcome.

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