text: /*'''
  #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
    Copyright (C) 2016  Alejandro F. Carrera <alejfcarrera@mail.ru>
  
    This file is part of Librairy. <https://github.com/librairy>
  
    Licensed under Apache License. See LICENSE for more info.
  #-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=#
  '''*/
  
  var showVizPanel = function showVizPanel()
  {
      hideButtonNav();
      showButtonNav(1);
      d3.select('#wrapper-container').style('display', 'none');
      var wrap = d3.select('#wrapper');
      var selector = wrap.append('div').attr('id', 'wrapper-selector');
      wrap.attr('class', 'loaded-viz');
      d3.select('header').attr('class', 'loaded-viz');
      d3.select('footer').attr('class', 'loaded-viz');
      var boxOne = selector.append('div').attr('class', 'box-viz');
      boxOne.append('div').attr('id', 'box-viz-img-san');
      boxOne.append('p').text(libTranslations['but-san']['es']);
      boxOne.on('click', showSankeyViz);
      var boxTwo = selector.append('div').attr('class', 'box-viz');
      boxTwo.append('div').attr('id', 'box-viz-img-net');
      boxTwo.append('p').text(libTranslations['but-net']['es']);
      boxTwo.on('click', showNetworkViz);
  };
  
  var hideVizPanel = function hideVizPanel()
  {
      // Remove everything
      hideButtonNav();
      d3.select('#wrapper').attr('class', '');
      d3.select('#wrapper-selector').remove();
      d3.select('header').attr('class', '');
      d3.select('footer').attr('class', '');
  
      // Show bubbles again
      d3.select('#wrapper-container').style('display', 'flex');
  };
  
  var showButtonNav = function showButtonNav(type)
  {
      // Check if button exists
      var button = document.getElementById('button-panel');
      if (button !== null) return;
  
      // Create button
      var button = d3.select('header')
          .append('div').attr('id', 'button-panel');
      if (type == 0)
      {
          button.append('p').text(libTranslations['but-sel']['es']);
          button.on('click', showVizPanel);
      }
      else if (type == 1)
      {
          button.append('p').text(libTranslations['but-back']['es']);
          button.on('click', hideVizPanel);
      }
  };
  
  var hideButtonNav = function hideButtonNav()
  {
      // Check if button exists
      var button = document.getElementById('button-panel');
      if (button === null) return;
  
      // Remove button
      d3.select('#button-panel').remove();
  };
  