Download website and view it offline: HTTrack
Now this is a evil thing as far as the website owner is concerned, but anyways you want to view his website offline, you want to have all the .doc, .xls, .pdf and end no. of other formats of document on the site to be on your computer? You can do this by using HTTrack. This free software lets you download everything from the site without you browsing each and every page.
Download (The same page provides portable version also)