XSLT Conversion not quite there

Hi,
I have this piece of code that is not quite working.  I have tried it
with both transformToDocument and as you can see transformToFragment.
both give me a string  output [object DocumentFragment] or in the case
of the Document XMLDocument.
I have tried the serializing code that I have seen in this group (even
though its not good practice) without any luck. Is it obviousd to
anyone what I am missing.
The books.xsl has and output method of HTML.
Any help would be much appreciated.
If this is the wromg group to post to - sorry, just tell me where I
should post.

function handleHttpResponse() {
  if (http.readyState == 4) {
    if (http.responseText.indexOf('invalid') == -1) {
      // Use the XML DOM to unpack the city and state data
      	xmlDocument = http.responseXML;
        var xmldoc = document.implementation.createDocument("", "",
null);
        var xsldoc = document.implementation.createDocument("", "",
null);
            // These browsers process the code before files are loaded,
            // thus need to call DoLoaded function when the files
finishloading
        xmldoc.load("books.xml");
        xsldoc.load("books.xsl");
		var xsltProcessor = new XSLTProcessor();
        xsltProcessor.importStylesheet(xsldoc);

	    var myDocument = xsltProcessor.transformToFragment(xmldoc,
document);

 		alert("mydoc load" + myDocument);

		//document.close();
		//document.write(myDocument.documentElement.innerHTML);

		document.getElementById("dataArea").innerHTML = myDocument;
		document.close();