private XDocument MapSamiToXml(string p)
        {
            XDocument xml = new XDocument();
            var ws = new char[] { '\r', '\n' };
            var syncTag = new string[] { "<Sync " };
            var pTag = new string[] { "<P " };

            // Slit up the input into sync groups
            var syncs = p.Split(syncTag, StringSplitOptions.None);
            List<XElement> xmlContent = new List<XElement>();

            foreach (string s in syncs)
            {   // process each sync group in turn
                if (s.Contains("Start="))
                {
                    string attribs1 = s.Substring(0, s.IndexOf('>'));
                    string rest = s.Remove(0, attribs1.Length + 1).TrimStart(ws);
                    List<XElement> kids = new List<XElement>();

                    // process all the content between two <P> tags.
                    foreach (string content in rest.Split(pTag, StringSplitOptions.RemoveEmptyEntries))
                    {
                        string attribs2 = content.Substring(0, content.IndexOf('>'));
                        // extract any remaining plain text as the caption text
                        string caption = RemoveHtml(content.Remove(0, attribs2.Length + 1).TrimStart(ws));
                        XElement pElement = new XElement("P");
                        AddXmlAttributes(pElement, attribs2);
                        pElement.SetValue(caption);
                        kids.Add(pElement);
                    }
                    XElement syncElement = new XElement("Sync",kids.ToArray());
                    AddXmlAttributes(syncElement, attribs1);
                    xmlContent.Add(syncElement);
                }
            }
            xml.Add(new XElement("Body", xmlContent.ToArray()));
            return xml;
        }

        private static string RemoveHtml(string p)
        {
            string plaintext = p;
            plaintext = Regex.Replace(plaintext, @"<[^>]*>", String.Empty);
            plaintext = Regex.Replace(plaintext, @"&[^;]*;", String.Empty);
            return plaintext.Trim();
        }

        private static void AddXmlAttributes(XElement pElement, string prefix)
        {
            var syntax = new char[] { ' ', '=' };
            var attribs = prefix.Split(syntax);
            int i = 0;
            while (i < attribs.Length)
            {
                pElement.SetAttributeValue(attribs[i], attribs[i + 1]);
                i += 2;
            }
        }