Oauth Dialog

http://www.facebook.com/dialog/oauth/? client_id=YOUR_APP_ID &redirect_uri=YOUR_REDIRECT_URL &state=YOUR_STATE_VALUE &scope=COMMA_SEPARATED_LIST_OF_PERMISSION_NAMES YOUR_REDIRECT_URI? state=YOUR_STATE_VALUE &code=CODE_GENERATED_BY_FACEBOOK &state=YOUR_STATE_VALUE YOUR_REDIRECT_URI# access_token=USER_ACCESS_TOKEN &expires_in=NUMBER_OF_SECONDS_UNTIL_TOKEN_EXPIRES &state=YOUR_STATE_VALUE YOUR_REDIRECT_URI? error_reason=user_denied &error=access_denied &error_description=The+user+denied+your+request. &state=YOUR_STATE_VALUE