ElementById('TEST_ID');  
        while (node.firstChild) node.removeChild(node.firstChild);

        if (typeof str !== 'string') str = 'log role changed test text 2';
        addText(str)
      }  

      function addText (str) {
        var node = document.getElementById('TEST_ID');          
        var text_node = document.createTextNode(str);        
        node.appendChild(text_node);
      }  

      function onLoad() {
        setTimeout(changeText,1500);       
      }

      window.addEventListe