text: (document.querySelectorAll('img.headerImage').forEach(function(img){
      var imgID = img.id;
      var imgClass = img.className;
      var imgURL = img.src;
  
      fetch(imgURL).then(function(response) {
          return response.text();
      }).then(function(text){
  
          var parser = new DOMParser();
          var xmlDoc = parser.parseFromString(text, "text/xml");
  
          // Get the SVG tag, ignore the rest
          var svg = xmlDoc.getElementsByTagName('svg')[0];
  
          // Add replaced image's ID to the new SVG
          if(typeof imgID !== 'undefined') {
              svg.setAttribute('id', imgID);
          }
          // Add replaced image's classes to the new SVG
          if(typeof imgClass !== 'undefined') {
              svg.setAttribute('class', imgClass+' replaced-svg');
          }
  
          // Remove any invalid XML tags as per http://validator.w3.org
          svg.removeAttribute('xmlns:a');
  
          // Check if the viewport is set, if the viewport is not set the SVG wont't scale.
          if(!svg.getAttribute('viewBox') && svg.getAttribute('height') && svg.getAttribute('width')) {
              svg.setAttribute('viewBox', '0 0 ' + svg.getAttribute('height') + ' ' + svg.getAttribute('width'))
          }
  
          // Replace image with new SVG
          img.parentNode.replaceChild(svg, img);
  
      });
  
  }))();