Help dealing with SWFs

Hello, hope you can help with this rather urgent problem.

I load a an SWF into my main contents MC, and i want to be able to unload that page and jump back to certain point in my main site, whats the best way to achieve this?

At the moment i am trying the following:

on (release) {
_root.contents.loadMovie(“flash.1.swf”);
gotoAndStop(“lift”);

}

I cant seem to get the player to jump straight to the “lift” marker, can you help? Also i was thinking of adding an unloadMovie, should / could i by simply adding unloadMovie(“contents”); as contents is my MC to the onRelease event?

All help as usual is more than welcome.