Next/previous buttons that are moving between different animations.

Gyazo - 0260741e4ce22250745972c4f8122aef.png

here is an image of my interface, I have 5 buttons : left,right,3 buttons with animations in it, my code doesnt show any errors but when i try to run swf file ,nothing happens,here is my code,any suggestions?

package {

  import flash.display.MovieClip;

  import flash.events.MouseEvent;

  public class animationinterface extends MovieClip {

  //var interfacewindow:Interfacewindow;

  var interface1:Interface1;

  //var animation3:Animation3;

  var animation2:Animation2;

  var animation1:Animation1;

  public function animationinterface() {

  //interfacewindow = new Interfacewindow();

  interface1 = new Interface1();

  //animation3 = new Animation3();

  animation1 = new Animation1();

  animation2 = new Animation2();

  addChild(interface1);

  //Add event listeners

  interface1.buttonleft.addEventListener(MouseEvent.CLICK, left);

  interface1.buttonright.addEventListener(MouseEvent.CLICK, right);

  //interfacewindow.animation1.addEventListener(MouseEvent.CLICK, an1);

  //interfacewindow.animation2.addEventListener(MouseEvent.CLICK, an2);

  }

  //Event handlers

  function left(event:MouseEvent): void {

  addChild(animation1);

  removeChild(interface1);

  }

  function right(event:MouseEvent): void {

  addChild(animation2);

  removeChild(interface1);

  }

  /* function an1(event:MouseEvent):void

  {

  addChild(animation1);

  removeChild(interfacewindow);

  }

  function an2(event:MouseEvent):void

  {

  addChild(animation2);

  removeChild(interfacewindow);

  }

  */

  }

}