What ever you do, be VERY CAREFUL when it come to the bed being raised. I don't think I have to tell you why......but a dear friend of mine is not around any longer to warn you.
I should have said, put a good block between the frame and bed, just incase the Hydraulics fail and the bed should drop. Thank You Achipmuck, that had actually started to bother me that I did not mention that. And I came back to say that, hoping it would not any hurt feelings, if I mentioned something that may or may not have already thought of. But better safe than sorry, hurt feelings are better than the unlikely but possible, bad outcome.