Petit probleme de code

import mx.transitions.Tween; // on importe la classe Tween 
import mx.transitions.easing.*;


var loaded1:Number;
var Total1:Number;

var loaded2:Number;
var Total2:Number;

var loaded3:Number;
var Total3:Number;

	diapo.bt2R._visible=false;
	diapo.bt3R._visible=false;
	diapo.bt1R._visible=false;


//********************************************************************************************
//********************************************************************************************
//********************************************************************************************


var scroller1 : Tween = new Tween( diapo.scroller, "_x", Strong.easeInOut, 530, 0, 2, true );
scroller1.stop();

var wait1 : Tween = new Tween( diapo.scroller, "_x", Strong.easeInOut, 0, 0, 3, true );
wait1.stop();



var scroller2 : Tween = new Tween( diapo.scroller, "_x", Strong.easeInOut, diapo.scroller._x, -526, 2, true );
scroller2.stop();

var wait2 : Tween = new Tween( diapo.scroller, "_x", Strong.easeInOut, -526, -526, 3, true );
wait2.stop();


var scroller3 : Tween = new Tween( diapo.scroller, "_x", Strong.easeInOut, diapo.scroller._x, -1051, 2, true );
scroller3.stop();

var wait3 : Tween = new Tween( diapo.scroller, "_x", Strong.easeInOut, -1051, -1051, 3, true );
wait3.stop();


var scroller4 : Tween = new Tween( diapo.scroller, "_x", Back.easeInOut, diapo.scroller._x, 0, 1.5, true );
scroller4.stop();


//*********************************************************************************************
//***********************************FONCTION ROTATION*****************************************
//*********************************************************************************************


function tourne () {
	wait1.start();
	diapo.bt2R._visible=false;
	diapo.bt3R._visible=false;
	diapo.bt1R._visible=true;


	wait1.onMotionFinished  = function(Void):Void  {
	scroller2.start();

}
	scroller2.onMotionFinished  = function(Void):Void  {
	wait2.start();
	diapo.bt1R._visible=false;
	diapo.bt3R._visible=false;
	diapo.bt2R._visible=true;
}
	wait2.onMotionFinished  = function(Void):Void  {
	scroller3.start();

}
	scroller3.onMotionFinished  = function(Void):Void  {
	wait3.start();
	diapo.bt2R._visible=false;
	diapo.bt1R._visible=false;
	diapo.bt3R._visible=true;
}
	wait3.onMotionFinished  = function(Void):Void  {
	scroller4.start();
}
	scroller4.onMotionFinished  = function(Void):Void  {
	wait1.start();
	diapo.bt2R._visible=false;
	diapo.bt3R._visible=false;
	diapo.bt1R._visible=true;
}

}

//********************************************************************************************
//********************************************************************************************
//********************************************************************************************


diapo.scroller.conteneur1.loadMovie ("images/pub_1.jpg");
diapo.scroller.conteneur2.loadMovie ("images/pub_2.jpg");
diapo.scroller.conteneur3.loadMovie ("images/pub_3.jpg");


	loaded1 = diapo.scroller.caonteneur1.getBytesLoaded(); 
	total1 = diapo.scroller.caonteneur1.getBytesTotal();
	
	loaded2 = diapo.scroller.caonteneur2.getBytesLoaded(); 
	total2 = diapo.scroller.caonteneur2.getBytesTotal();
	
	loaded3 = diapo.scroller.caonteneur3.getBytesLoaded(); 
	total3 = diapo.scroller.caonteneur3.getBytesTotal();
	
	if ([(total1 == loaded1)&&(total1>100)] && [(total2 == loaded2)&&(total2>100)] && [(total3 == loaded3)&&(total3>100)] ){
			scroller1.start();
			scroller1.onMotionFinished  = function()  {
			tourne (play);
			}
	}



//********************************************************************************************
//************************************BOUTON**************************************************
//********************************************************************************************

diapo.bt1.onRelease = function(){
var aller1 : Tween = new Tween( diapo.scroller, "_x", Strong.easeInOut, diapo.scroller._x, 0, 1, true );
diapo.bt1R._visible=true;
diapo.bt2R._visible=false;
diapo.bt3R._visible=false;
aller1.onMotionFinished  = function()  {
}
}

diapo.bt2.onRelease = function(){
scroller2.start();
diapo.bt1R._visible=false;
diapo.bt2R._visible=true;
diapo.bt3R._visible=false;

}

diapo.bt3.onRelease = function(){
var aller3 : Tween = new Tween( diapo.scroller, "_x", Strong.easeInOut, diapo.scroller._x, -1051, 1, true );
diapo.bt1R._visible=false;
diapo.bt2R._visible=false;
diapo.bt3R._visible=true;

}