I don't know if you have sorted this as posted in Jan. I assume that you have a file server where all your docs etc are kept. As its been awhile since I did this the memory goes,but you should log on to server at work in normal way and right click the files/folders you want to sync at check Synchronise. Now every time you log on and off the server will sync any changes between itself and the docs on HDD.
Beware not to sync to much as the files are copied to your laptop.
This is also a handy way to bring home resources to use