quicktime question

seems like i should know something like this...BUT, a friend sent me a movie in mpeg form. When i open the email it just automatically opens the movie in a browser based quicktime viewer. I tried cmnd-s to save it, i tried forceing the link open in a new window..noe of this seemed to work so i coulndt get the movie to download. i am sure most of you know how so if someone could let me in on the secret....thanx!