text: /**
   * Created by Bjatta on 21.04.2017.
   */
  function toggleCode(el,pictureName) {
      let nextEl = document.querySelector('div[id="full-screen"]');
      let body   = document.querySelector('section[id="main-container"]');
      pictureName = pictureName || '';
      nextEl.style.backgroundImage = pictureName ? 'url("img/' + pictureName + '.png")':'';
      if (hasClass(nextEl,'visible')) {
          removeClass(nextEl,'visible');
          removeClass(body,'muted');
          addClass(nextEl,'hidden');
      }else{
          removeClass(nextEl,'hidden');
          addClass(nextEl,'visible');
          addClass(body,'muted');
      }
  
  }
  
  function hasClass(el, className) {
      if (el.classList)
          return el.classList.contains(className)
      else
          return !!el.className.match(new RegExp('(\\s|^)' + className + '(\\s|$)'))
  }
  
  function addClass(el, className) {
      if (el.classList)
          el.classList.add(className)
      else if (!hasClass(el, className)) el.className += " " + className
  }
  
  function removeClass(el, className) {
      if (el.classList)
          el.classList.remove(className)
      else if (hasClass(el, className)) {
          var reg = new RegExp('(\\s|^)' + className + '(\\s|$)')
          el.className=el.className.replace(reg, ' ')
      }
  }