function document2DOM() {
	var root = new ActiveXObject("MSXML.DOMDocument");
	root.async = false;
	root.resolveExternals = false;
	loadNode(root,root,document);
	return root;
}

function loadNode(root,parentNode,htmlNode) {
	switch (htmlNode.nodeType) {
		// Comment node
		case 8 : 
		  parentNode.appendChild( root.createComment( htmlNode.nodeValue ) );
			return;
			
		// CDATA section
		case 4:
		  parentNode.appendChild( root.createCDATASection( htmlNode.nodeValue ) );
			return;
			
		// Text node	
		case 3 :
		  parentNode.appendChild( root.createTextNode( htmlNode.nodeValue) );
			return;
			
		// Document Node
		case 9 :
			var children = htmlNode.childNodes;
			for (var i = 0; i < children.length; i++) {
				loadNode(root,root,children[i]);
			}
			return;
			
		// Element node	
		case 1 :
		  var element = root.createElement( htmlNode.nodeName ) 
			parentNode.appendChild(element);
			
			// Set all attributes
			for (var i = 0; i < htmlNode.attributes.length; i++) {
				var attr = htmlNode.attributes[i];
				if (attr.nodeValue && attr.specified) {
				  var attrNode = root.createAttribute(attr.nodeName);
					attrNode.value = attr.nodeValue;
					element.setAttributeNode(attrNode);
				}
			}
			
			// Now process the children
			var children = htmlNode.childNodes;
			for (var i = 0; i < children.length; i++) {
				loadNode(root,element,children[i]);
			}
			return;
	}
}

function test() {
  var result = document2DOM();
	alert(result.xml)
}