function applyE1() {
 
  new Effect.Opacity('ANL1', { from: 0.0, to: 1.0, duration: 0.3 });
  new Effect.Opacity('ANL2', { from: 1.0, to: 0.0, duration: 0.2 });
  new Effect.Opacity('ANL3', { from: 1.0, to: 0.0, duration: 0.2 });
  new Effect.Opacity('ANL4', { from: 1.0, to: 0.0, duration: 0.2 });
}

function applyE2() {
 
  new Effect.Opacity('ANL2', { from: 0.0, to: 1.0, duration: 0.3 });
  new Effect.Opacity('ANL1', { from: 1.0, to: 0.0, duration: 0.2 });
  new Effect.Opacity('ANL3', { from: 1.0, to: 0.0, duration: 0.2 });
  new Effect.Opacity('ANL4', { from: 1.0, to: 0.0, duration: 0.2 });
}

function applyE3() {
 
  new Effect.Opacity('ANL3', { from: 0.0, to: 1.0, duration: 0.3 });
  new Effect.Opacity('ANL2', { from: 1.0, to: 0.0, duration: 0.2 });
  new Effect.Opacity('ANL1', { from: 1.0, to: 0.0, duration: 0.2 });
  new Effect.Opacity('ANL4', { from: 1.0, to: 0.0, duration: 0.2 });
}


function applyE4() {
 
  new Effect.Opacity('ANL4', { from: 0.0, to: 1.0, duration: 0.3 });
  new Effect.Opacity('ANL2', { from: 1.0, to: 0.0, duration: 0.2 });
  new Effect.Opacity('ANL3', { from: 1.0, to: 0.0, duration: 0.2 });
  new Effect.Opacity('ANL1', { from: 1.0, to: 0.0, duration: 0.2 });
}




function Declenche() {

 new Effect.Opacity('ANL2', { from: 1.0, to: 0.0, duration: 0.2 });
 new Effect.Opacity('ANL3', { from: 1.0, to: 0.0, duration: 0.2 });
 new Effect.Opacity('ANL4', { from: 1.0, to: 0.0, duration: 0.2 });


}

Event.observe(window, 'load', Declenche );