That was exactly the problem. I have loaded it onto a folder off the live server and both DPU and SBA works works works! Click image for larger version.  Name: Untitled-1.jpg  Views: 178  Size: 33.6 KB  ID: 13811

One trivial thing: the top attribute is selected as default (attached) is there a way we can change this so the user has to select an option? Eg the top field reading Please select or something? Please advise.