(function() {

	singlefile.util = {};

	function getDoctype(doc) {
		var docType = doc.doctype, docTypeStr;
		if (docType) {
			docTypeStr = "<!DOCTYPE " + docType.nodeName;
			if (docType.publicId) {
				docTypeStr += " PUBLIC \"" + docType.publicId + "\"";
				if (docType.systemId)
					docTypeStr += " \"" + docType.systemId + "\"";
			} else if (docType.systemId)
				docTypeStr += " SYSTEM \"" + docType.systemId + "\"";
			if (docType.internalSubset)
				docTypeStr += " [" + docType.internalSubset + "]";
			return docTypeStr + ">\n";
		}
		return "";
	}

	singlefile.util.getDocContent = function(doc, docElement) {
		docElement = docElement || doc.documentElement;
		return getDoctype(doc) + docElement.outerHTML;
	};

})();