/* is this stuff defined? */
if (!document.ELEMENT_NODE) {
	document.ELEMENT_NODE = 1;
	document.ATTRIBUTE_NODE = 2;
	document.TEXT_NODE = 3;
	document.CDATA_SECTION_NODE = 4;
	document.ENTITY_REFERENCE_NODE = 5;
	document.ENTITY_NODE = 6;
	document.PROCESSING_INSTRUCTION_NODE = 7;
	document.COMMENT_NODE = 8;
	document.DOCUMENT_NODE = 9;
	document.DOCUMENT_TYPE_NODE = 10;
	document.DOCUMENT_FRAGMENT_NODE = 11;
	document.NOTATION_NODE = 12;
}

document._importNode = function(node, allChildren) {
	/* find the node type to import */
	switch (node.nodeType) {
		case document.ELEMENT_NODE:
			/* create a new element */
			var newNode = document.createElement(node.nodeName);
			/* does the node have any attributes to add? */
			if (node.attributes && node.attributes.length > 0)
				/* add all of the attributes */
				for (var i = 0, il = node.attributes.length; i < il;) {
					if (node.attributes[i].nodeName == 'class') {
						newNode.className = node.getAttribute(node.attributes[i++].nodeName);
					} else {
						newNode.setAttribute(node.attributes[i].nodeName, node.getAttribute(node.attributes[i++].nodeName));
					}
				}
			/* are we going after children too, and does the node have any? */
			if (allChildren && node.childNodes && node.childNodes.length > 0)
				/* recursively get all of the child nodes */
				for (var i = 0, il = node.childNodes.length; i < il;)
					newNode.appendChild(document._importNode(node.childNodes[i++], allChildren));
			return newNode;
			break;
		case document.TEXT_NODE:
		case document.CDATA_SECTION_NODE:
		case document.COMMENT_NODE:
			return document.createTextNode(node.nodeValue);
			break;
	}
};