Folder Sharing and Security workgroup

Hi,

I do have a shared folder in my system with Windows 2003 server installed.

All the systems are distributed across two workgroup in the same network.

The problem is I am only able to delete files or move files of this shared folder using one system in the network and of course with my system too.

What I have to do to give full control access to this shared folder to another system in the network and remove the full control access to any other users.

Thanks in advance.