in reply to problem changing name of uploaded file!
Hrm, if you want to improve your chances of getting help, you might want to try to learn how to post readable code here.
Note that you can use html tags like paragraph and code to improve the readability of your code. Right now, trying to read your post gives me a headache :) Check out Writeup Formatting tips
Good luck on finding the answer to your question, and note that if you had become a member, you would have been able to edit your original node, rather than writing a new one. It's not like it'll cost you anything =)