Change color with AS over time

I’ve been digging in the forums and I’m trying to find a way to change a movieclip’s color over a period of time using actionscript. I’ve found a lot of examples using setTransform but none are doing it over a period of time.

Basically the effect I’m going for it to have a picture fade in over another picture, but when it fades in, it’s like a burst of white light. I know you can do it on the timeline under the advanced settings and up the RGB values by 100, but how do I do this with AS over a period of time.

Thanx in advance.