You probably can, but why not install 2008 and run the databases in compatibility 90 if you really need to do that?
You'd have to check with Microsoft to be certain, but I don't think there's any reason you couldn't run 2005 Standard on a 2008 Standard license.
- Gus "GSquared", RSVP, OODA, MAP, NMVP, FAQ, SAT, SQL, DNA, RNA, UOI, IOU, AM, PM, AD, BC, BCE, USA, UN, CF, ROFL, LOL, ETC
Property of The Thread
"Nobody knows the age of the human race, but everyone agrees it's old enough to know better." - Anon