Scratch

Hey all, I'm a yr 5/6 teacher and would love to use scratch with my class but I can't seem to find a facility to save the scratch work to anything other than a local drive.  The children are all using wireless laptops so it is essential they are able to save this work to a network drive as their access permissions do not allow saving to a local drive. Can anyone help me?  My class would LOVE to use this software