Importing a swf into a swf by way of AS

Its been awhile since I've actionscripted and I need your help.
I want to be able to load an external swf into the current swf, and ona click unload it, and go back to the original. I can do this if I make multiple pages but it doesn't look very good like that.

I tried:
on(release){
loadMovie(gallery.swf,window);
}

and making a mc named window with inst. name of "window" that covered the viewing area, when I click the button my mc.window just disappears.
Any comments is appreciated.
Thanx, Optik

I just forgot the quotation marks. Thanks anyway, now you know how stupid i am :\

on(release){
loadMovie("gallery.swf",window);
}