<!--
// Precarga de imágenes
if (document.images) {
  var boton1_off = new Image();
  boton1_off.src = "../img/ico_recomendar.gif";
  var boton1_on = new Image();
  boton1_on.src = "../img/ico_recomendar_2.gif";
  
  var boton2_off = new Image();
  boton2_off.src = "../img/printer_gray_faq.gif";
  var boton2_on = new Image();
  boton2_on.src = "../img/printer_gray_faq_2.gif";
  
  var boton3_off = new Image();
  boton3_off.src = "../img/font_plus_icon.gif";
  var boton3_on = new Image();
  boton3_on.src = "../img/font_plus_icon_2.gif";
  
  var boton4_off = new Image();
  boton4_off.src = "../img/font_minus_icon.gif";
  var boton4_on = new Image();
  boton4_on.src = "../img/font_minus_icon_2.gif";
  
  var boton5_off = new Image();
  boton5_off.src = "../img/btn_encuesta_lateral.gif";
  var boton5_on = new Image();
  boton5_on.src = "../img/btn_encuesta_lateral_light.gif";
}


  
function ini(boton) {
  //boton inicio
  if (document.images) {
    if (boton == 'boton1') {
      document.images[boton].src = boton1_on.src;
    }
  }
  
  if (document.images) {
    if (boton == 'boton2') {
      document.images[boton].src = boton2_on.src;
    }
  }
  
  if (document.images) {
    if (boton == 'boton3') {
      document.images[boton].src = boton3_on.src;
    }
  }
  
  if (document.images) {
    if (boton == 'boton4') {
      document.images[boton].src = boton4_on.src;
    }
  }
  
  if (document.images) {
    if (boton == 'boton5') {
      document.images[boton].src = boton5_on.src;
    }
  }
}  
  // Carga de imagen cuando el ratón abandona el área de la imagen 
function out(boton) {
  if (document.images) {
    if (boton == 'boton1') {
      document.images[boton].src = boton1_off.src;
    }
  }
  
  if (document.images) {
    if (boton == 'boton2') {
      document.images[boton].src = boton2_off.src;
    }
  }
  
  if (document.images) {
    if (boton == 'boton3') {
      document.images[boton].src = boton3_off.src;
    }
  }
  
  if (document.images) {
    if (boton == 'boton4') {
      document.images[boton].src = boton4_off.src;
    }
  }
  
  if (document.images) {
    if (boton == 'boton5') {
      document.images[boton].src = boton5_off.src;
    }
  }
  
}