The js files that I suspect they're missing are files deployed by our installer on the SharePoint server not on your local drive.
If you have rights to logon to your SharePoint server(s) this is what you need to check.
Directory of C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\wpresources\WA.DataViewer\4.0.0.0__2b4b09f1c57c8f0b
02/29/2012 09:19 AM 13,743 WADataViewer.js
02/29/2012 09:19 AM 19,592 WAListForm.js
2 File(s) 33,335 bytes
Directory of C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\wpresources\WA.ListForm\4.0.0.0__2b4b09f1c57c8f0b
02/29/2012 09:19 AM 19,592 WAListForm.js
1 File(s) 19,592 bytes
Directory of C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\wpresources\WA.SystemIntegration\4.0.0.0__2b4b09f1c57c8f0b
02/29/2012 09:19 AM 3,336 WASI.js
02/29/2012 09:19 AM 15,421 WASIListForm.js
2 File(s) 18,757 bytes
Directory of C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\wpresources\WA.WebPart\4.0.0.0__2b4b09f1c57c8f0b
02/29/2012 09:19 AM 2,569 WAWebPart.js
1 File(s) 2,569 bytes
Total Files Listed:
6 File(s) 74,253 bytes