Preloader, after thought

i hope this is an easy answer.

i have created my main.fla. this fla has a single scene with several layers. everything starts on frame 1.

after developing the site i realized i would need a preoloader. i did some reasearch to find ample tutorials on how to make a preloader. what i can not figure out, how do i now [since my fla is done] add a preloader to my site?

i read 1 tutorial that said to create a new scene. if i do that it creates scene 2, and all my files are on scene 1.

i hope i am making this more difficult than needs to be. any insight greatly appreciated.

if you wish tho see the site, http://www.skurz.com/flash/022/main.html[url=“http://www.skurz.com/flash/main.html”]

thanks,
Kerry