Using external .js documents with associated .html and .css files to Flash HTML5 Canvas

Hello everyone,

I am making the transition from Flash AS3 to Flash HTML5 Canvas. I have been creating interactive children's educational games using Flash and AS3 for years, and I am now trying to do the same with Flash HTML5 Canvas. My programs consist of a main timeline with 10 frames, navigational arrows, and interactive lessons on each frame. I see that there are excellent interactive games out there created with a .js, .html, and .css file. My question: How do I translate these game into the Flash HTML5 Canvas framework using my main timeline? I understand how to import an additional .js file to my document, but I am lost as to how to include the necessary information (divs, containers, etc.) from the corresponding external .html file (which is NOT my document's .html file). I hope this makes sense.

I have tried to go the route of embedding the external .html file into a div in my main .html file, but I read that is problematic. I would love to be able to copy and paste the game .js code onto my main timeline and have it work from there. Please advise....Thank you in advance!