ActionScript 3.0 :: Cannot Get If Statements To Work

How to do a rollover button where you rollout and it doesn't another option depending on the current frame. So I decided to open up another actionscript file and do a test so that I knew that I could make an if statement work in a barebone state. And I can't get it to work

First I stated my variable to be 0. I added 3 buttons. Button One makes the variable unit "myVar" to 1 and Button Two makes it 2. And my output button reacts to these variable changes. But it doesn't work.

ActionScript Code:
One_btn.addEventListener(MouseEvent.CLICK, OneV);
Two_btn.addEventListener(MouseEvent.CLICK, TwoV);
Output_btn.addEventListener(MouseEvent.CLICK, OutputV);
var myVar:Number = 0;
function OneV (event:MouseEvent):void {
[Code] .....