ActionScript 2.0 :: Dynamic Files And Transitions For Blank_mc Within Blank_mc?

I am working on a site and was looking for a better transition between movies that were linked to the same blank_mc (my current method works fine, but I liked the smooth transition found in your tutorial). I looked at your tutorial for dynamic files and transitions. It works great. However, it only seems to work when I test the scene itself. When I test the whole movie it does not function.

I have three levels. The first level is the main movie with the main buttons. All of these buttons are linked to a blank_mc. One movie in particular has another blank_mc that the submenu buttons refer to. I used the tutorial for this movie. What I realized was, the _root command is conflicting with the _root command in the main movie. This is the actionscript used for the main buttons on level 0 of the site.

on (release) {
loadMovie("star_services.swf", _root.blank_mc);
}

In regards to the actionscript for the newly revised movie, I have followed the tutorial to the t. How can I avoid this? Is there another command I can use?I am a graphic designer who has broken into the webdesign realm. I taught myself html, dhtml, javascript and flash mx with the use of actionscript. I am still shaky when it comes to understanding the math in actionscript. I have learned much from your tutorials primarily due to the sections in which you explain the meaning of the code line by line. I have yet to find this on any other site.