fso.copyFile error

Hi to all!

I am a newbie in programming and in this forum. I hope somebody can help me to solve my problem. I am creating a web application(I used asp classic) that do the following:

1. When the user upload a PDF file, the program will copy the PDF file into a specific folder in the server.
2. If the file already exist, then it will replace the existing file.
3. If not, then it will just copy it.

what I did and problem:
1. I put this one on the code to copy the file:
fs.copyfile sam, "\\server1\web sites\ITWeb\docs", true
Note: sam is the path of the PDF file soon to be copy.
Problem: After running the code, the program tells me that it cannot found the path
2. I tried to check if the source and destination folder exist in the sytem and I found out that the system cannot see the source folder, so I focus on the source folder.
3. The source folder is just on my local computer: c:\my_workspace\documents\task.pdf, and i am sure with the path.
4. When I try to do this:
path=fs.GetAbsolutePathName("task.pdf")
response.write(path)
it gives me the pathname C:\WINDOWS\system32\inetsrv\task.pdf, so I tried to go the path but I cannot see anything.

This scenario is really weird for me. Can anyone help me out of this???
Any reply is highly appreciated.

Thanks!!!