Loading objects

hey…i currently have an empty movie clip that im using to load objects in… is there a way to add anothe rempty movie clip into that empty movie clip that i can load more objects on top of it…if you get confused have a look … http://zealous.halfwitted.com …if you click the buttons they load inthat big block which an empty movie clip… but when you click my portfolio and then click a button for logos i want that image to load on the right side of the movie… hope thats enough info…let me know if you guys need more… thanks… jm