Untitled

<html>
<head>
<title>Open Window and Load File</title>
    <script type="text/javascript">
      var w;
      var counter;
      var pre;
      var arr;
      function openFile(url) {
      w = window.open();
      w.location = url;
      }
      function upperCase(node) {
        if (node.nodeType==Node.ELEMENT_NODE) {
          for (var m = node.firstChild; m!=null; m = m.nextSibling)
            upperCase(m);
        }
        else if (node.nodeType==Node.TEXT_NODE) {
          node.data = node.data.toUpperCase();
        }
      }
      function retrieveText() {
        arr = [];
        pre = document.getElementById("count");
        counter = 0;
        retrieve(w.document.body);
        var list = document.getElementById("list");
        for (var i = 0; i<arr.length; i++)
        { var item = document.createElement("li");
          list.appendChild(item);
          item.appendChild(document.createTextNode(arr[i]));
        }
        pre.parentNode.insertBefore(list,pre);
        pre.textContent = "Found "+counter+ " text nodes";

      }
      function retrieve(node) {
	    if (node.nodeType==Node.ELEMENT_NODE) {
          for (var m = node.firstChild; m!=null; m = m.nextSibling)
	        retrieve(m);
	    }
	    else if (node.nodeType==Node.TEXT_NODE)
	      if (node.data.length>1)
	        arr[counter++] = node.data;
      }


    </script>

</head>
<body>
      <p>Filename: <input id = "url" name="url" size=15 type="Text"/></p>
      <a href="javascript:openFile(document.getElementById('url').value)">Open document</a></br>
      <a href="javascript:upperCase(w.document.body)">To upper case</a><br/>
      <a href="javascript:retrieveText(w.document.body)">Retrieve text</a><br/>
      <ul id="list"> </ul>
      <pre id="count"> &nbsp; </pre><br/>
</body>
</html>