Event Listeners Galore >.<

I'm working on a flash object that is fairly simple, It has Three functions.
One for each type of event Listener. I want each button to essentially do the same thing, tween up or down, depending on which button has been selected and change color depending on which Event Listener has occurred.

I'm still working on the basic color changing principle, and am having some trouble with my event listeners, here's the code:


Code:
/*
-----------------

Buttons:
=================
about_btn
how_btn
what_btn
doing_btn

aboutHover_btn
howHover_btn
whatHover_btn
doingHover_btn
=================

-----------------
*/

stop();

// Starting Positions
about_btn.y = 0;
how_btn.y = 79;
what_btn.y = 158;
doing_btn.y = 237;

// The About Button

about_btn.addEventListener(MouseEvent.ROLL_OVER, MouseOver);
about_btn.addEventListener(MouseEvent.ROLL_OUT, MouseOut);
about_btn.addEventListener(MouseEvent.CLICK, Click);

about_btn.buttonMode = true;

// The How Button

how_btn.addEventListener(MouseEvent.ROLL_OVER, MouseOver);
how_btn.addEventListener(MouseEvent.ROLL_OUT, MouseOut);
how_btn.addEventListener(MouseEvent.CLICK, Click);

how_btn.buttonMode = true;

// The What Button

what_btn.addEventListener(MouseEvent.ROLL_OVER, MouseOver);
what_btn.addEventListener(MouseEvent.ROLL_OUT, MouseOut);
what_btn.addEventListener(MouseEvent.CLICK, Click);

what_btn.buttonMode = true;

// The Doing Button

doing_btn.addEventListener(MouseEvent.ROLL_OVER, MouseOver);
doing_btn.addEventListener(MouseEvent.ROLL_OUT, MouseOut);
doing_btn.addEventListener(MouseEvent.CLICK, Click);

doing_btn.buttonMode = true;

// Functions

function MouseOver (evt:MouseEvent):void {
evt.target.gotoAndPlay("mouseOver");
}

function MouseOut (evt:MouseEvent):void {
evt.target.gotoAndPlay("mouseOut");
}

function Click (evt:MouseEvent):void {
evt.target.gotoAndPlay("mouseOver");
if (evt.target.hasEventListener(MouseEvent.ROLL_OUT)) {
evt.target.removeEventListener(MouseEvent.ROLL_OUT, MouseOut);
evt.target.removeEventListener(MouseEvent.ROLL_OVER, MouseOver);
}
else {
doing_btn.addEventListener(MouseEvent.ROLL_OVER, MouseOver);
doing_btn.addEventListener(MouseEvent.ROLL_OUT, MouseOut);
about_btn.addEventListener(MouseEvent.ROLL_OVER, MouseOver);
about_btn.addEventListener(MouseEvent.ROLL_OUT, MouseOut);
how_btn.addEventListener(MouseEvent.ROLL_OVER, MouseOver);
how_btn.addEventListener(MouseEvent.ROLL_OUT, MouseOut);
what_btn.addEventListener(MouseEvent.ROLL_OVER, MouseOver);
what_btn.addEventListener(MouseEvent.ROLL_OUT, MouseOut);
}
}
Hopefully it's commented well enough, but basically what I'm doing is:
Adding event listeners to four of my buttons.Setting their starting y locations.changing it's color on RollOver and RollOut in the MouseOut and MouseOver functions.setting up my Click function so that that it checks if the selected button has the RollOver event listener and adding or removing that event listener.
I want the RollOver color to disappear when I click on a different button as well. I'm starting to wonder if creating 3 functions for each button would be a better idea..

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