Simple Mouse Click Counter help

Goal to make a mouse click counter. (a simple clicker/tally button that keeps track of the number of clicks a user makes).

1. Progress -
   
   1. Button completed
      
   2. variable passed to text field completed.
   3. script passing correct variable to text field incomplete.
2. Problem -

          1. Counter Variable stays at 1 and does not increase by 1 when the button is clicked.

Link to .fla

script

var myVar=0;

button_1.addEventListener(MouseEvent.CLICK, fl_ClickToPosition);

var fl_TF:TextField;

var fl_TextToDisplay:String = myVar;

function fl_ClickToPosition(event:MouseEvent):void

{

fl_TF = new TextField();

fl_TF.autoSize = TextFieldAutoSize.LEFT;

fl_TF.background = true;

fl_TF.border = true;

fl_TF.x = 100;

fl_TF.y = 100;

fl_TF.text = fl_TextToDisplay;

addChild(fl_TF);

myVar++;

}

any and all help greatly appreciated.

Thank You