Easy Question for a DESPERATE person

[size=5]I NEED HELP PLEASE[/size]

I’m a noob in flash and I have an easy quetion for ou to answer,

On this webiste http://www.michellebranch.com

You have an initial external .swf file loading into the new window when opened. When you click on another button, another external .swf file opens up ONTOP of the initial external .swf file.

I already started the tutorial that is present on the kirupa website [size=3][color=#ff0000]“preloader and transition for external files”[/color][/size]
[size=3][color=#ff0000][size=2]http://www.kirupa.com/developer/mx/preloader_transition.htm[/size][/color][/size]
[size=3][color=#ff0000][/color][/size]
[size=3][color=#ff0000][size=2][color=black]but I don’t know how to leave the initial external .swf file on the stage and the other external file load on top of the initual .swf.

PLEASEP LEASE PLEASE PLEASE Someone help me can someone give me the coding or anything I have been trying to understand this but I know it involves actionscripting [/color][/size][/color][/size]

THANK YOU