captcha decoder

MSN type captcha decoder component needed. Input will be URL to the image, the program should (preferably Java or callable from Java) return back the text from the image. The performance allowance is within 500 msec (the text returned should come back within 500 mili seconds of calling this component). The specific captcha image is like the one from MSN hotmail, you can train your component on hotmail captcha. This is guaranteed to be not used for spamming.