Four states button problem?

1

[FONT=Arial][SIZE=2][COLOR=#000000]Hello,
I created some movieclip buttons, set a statement to disable it, but I can’t enable them again when another button is selected how can i resolve this?[/COLOR][/SIZE][/FONT]

[FONT=Arial][SIZE=2][COLOR=#000000]thank you[/COLOR][/SIZE][/FONT]

pack.addEventListener(MouseEvent.CLICK, loadAuto);
function  loadAuto(e:MouseEvent):void {
 portafolio.loadAlbum("pack","1");
 if  (e.target==pack) {
  pack.enabled=false;
  pack.gotoAndStop( "disabled"  );
 } else {
  pack.enabled=true;
  pack.gotoAndStop( "_up"  );
 }
}
  
 auto.addEventListener(MouseEvent.CLICK, loadPack);
function  loadPack(e:MouseEvent):void {
 portafolio.loadAlbum("auto","1");
 if  (e.target==auto) {
  auto.enabled=false;
  auto.gotoAndStop( "disabled"  );
 } else {
  auto.enabled=true;
  auto.gotoAndStop( "_up"  );
 }
}