welcome to rob mine, but beware, its large! (over 3 meg)
(due to formatting rather than flying unfortunately!)
the macros are only for refreshing the pivots, so you can disable them if you're security aware. Only thing to beware of is the formulas in the hidden columns when you add more entries.
Let me know if its useful!
http://www.netblink.com/logs/Avlog.xls