redirect to site by Callback (Google checkout)

Hi


i am getting all callbacks from google checkout...
now what i need to do is :
when i click on button to place order, if suceed then redirects me to thank you page
i dont want to go on thank you page,
on clicking on button i should be redirected to mysite..
i am getting each status in callback page,
so what can i do when order is placed, to redirect to mysite


Thanks in advance





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