code: function onDocumentClick(event) {
          var element = event.target;
          if (element && element.hasAttribute('data-brackets-id')) {
              MessageBroker.send({"tagId": element.getAttribute('data-brackets-id')});
          }
      }
docs: Sends the message containing tagID which is being clicked
  to the editor in order to change the cursor position to
  the HTML tag corresponding to the clicked element.