hhheng:

Hmmm ... you're not telling us what the error messages are, and you're giving us code that's not what you're running, and we're supposed to assist you? I'm flattered at your faith in us, but we just don't have enough information to really get anywhere. Give us more information, please.

How to write a good question:

• Ask questions the smart way
• I know what I mean. Why don't you?
• How (Not) To Ask A Question

...roboticus