var noticiaActual = 1;
var timer = setInterval('cambiarNoticia()',4000);;
var pause = "false";
var enable = "false";

  function capa1(){
    document.getElementById('layer1').style.display = 'block';
    document.getElementById('layer2').style.display = 'none';
    document.getElementById('layer3').style.display = 'none';
    document.getElementById('layer4').style.display = 'none';
    document.getElementById('layer5').style.display = 'none';
    noticiaActual=1;
  }
  function capa2(){
    document.getElementById('layer2').style.display = 'block';
    document.getElementById('layer1').style.display = 'none';
    document.getElementById('layer3').style.display = 'none';
    document.getElementById('layer4').style.display = 'none';
    document.getElementById('layer5').style.display = 'none';
    noticiaActual=2;
  }
  function capa3(){
    document.getElementById('layer3').style.display = 'block';
    document.getElementById('layer2').style.display = 'none';
    document.getElementById('layer1').style.display = 'none';
    document.getElementById('layer4').style.display = 'none';
    document.getElementById('layer5').style.display = 'none';
    noticiaActual=3;
  }
  function capa4(){
    document.getElementById('layer4').style.display = 'block';
    document.getElementById('layer2').style.display = 'none';
    document.getElementById('layer3').style.display = 'none';
    document.getElementById('layer1').style.display = 'none';
    document.getElementById('layer5').style.display = 'none';
    noticiaActual=4;
  }
  function capa5(){
    document.getElementById('layer5').style.display = 'block';
    document.getElementById('layer2').style.display = 'none';
    document.getElementById('layer3').style.display = 'none';
    document.getElementById('layer4').style.display = 'none';
    document.getElementById('layer1').style.display = 'none';
    noticiaActual=5;
  }


function cambiarNoticia(){
  if ((pause == "false") && (enable == "true")) {
    switch (noticiaActual) {
    case 1:
      capa1();
      noticiaActual+=1;
      break;
    case 2:
      capa2();
      noticiaActual+=1;
      break;
    case 3:
      capa3();
      noticiaActual+=1;
      break;
    case 4:
      capa4();
      noticiaActual+=1;
      break;
    case 5:
      capa5();
      noticiaActual+=1;
      break;
    default:
      noticiaActual = 1;
    }
  }
}

function toggle(seleccion){
  if (pause == "true") {
    pause = "false";
  }
  else {
    pause = "true";
  }
  switch(seleccion) {
    case 1:
      capa1();
      break;
    case 2:
      capa2();
      break;
    case 3:
      capa3();
      break;
    case 4:
      capa4();
      break;
    case 5:
      capa5();
      break;
    default:
  }
  
}