Noob animation question

1

I want to add animation to an script i made here:

var brite:ColorTransform = new ColorTransform();
brite.blueMultiplier = 1;
brite.redMultiplier = 1;
brite.greenMultiplier = 1;

var dull:ColorTransform = new ColorTransform();
dull.blueMultiplier = .7;
dull.redMultiplier = .7;
dull.greenMultiplier = .7;

function homeButton(my_btn:SimpleButton, my_mc:MovieClip, myboarder_mc:MovieClip, my_fm:String):void
{
my_btn.addEventListener(
MouseEvent.MOUSE_OVER,
function(evt:MouseEvent):void
{
my_mc.transform.colorTransform = brite;
myboarder_mc.transform.colorTransform = brite;
}
);

my_btn.addEventListener(
                            MouseEvent.MOUSE_OUT,
                            function(evt:MouseEvent):void
                            {
                                my_mc.transform.colorTransform = dull;
                                myboarder_mc.transform.colorTransform = dull;
                                
                            }
                        );

my_btn.addEventListener(
                            MouseEvent.CLICK,
                            function(evt:MouseEvent):void
                            {
                                gotoAndStop(my_fm)
                            }
                        );

}

homeButton(films_btn, films_mc, filmsboarder_mc, “films_fm”);
homeButton(sound_btn, sound_mc, soundboarder_mc, “sound_fm”);
homeButton(studio_btn, studio_mc, studioboarder_mc, “studio_fm”);

how can i animate a shift between the two propertys over a set number of frames
thanks i have never done this before sorry for the inconvinience