i

         XmlElement r = desen.DocumentElement;
                    XmlNodeList nodess = r.SelectNodes("//" + fieldnamee + "//field");
                    string line = string.Empty;
                    // Read and display lines from the file until the end of 
                    // the file is reached.

                    while ((line = sr.ReadLine()) != null)
                    {
                        string fieldnames = string.Empty;
                        string values = string.Empty;
                        //string[] fieldvalue = new string[18];

function BaueEmailInfo() {


    var prefix = 'ma' + 'il' + 'to'; // = "mailto"
    var path = 'hr' + 'ef' + '='; // = "href="
    var addy356245 = 'info' + '@';
    addy356245 = addy356245 + 'freitaege' + 'r.' + 'de';
    document.write('<a ' + path + '\'' + prefix + ':' + addy356245 + '\'>');
    document.write(addy356245);
    document.write('<\/a>\n');
}
 <script type="text/javascript">
                           <!--
                              BaueEmailInfo();
                           //-->
                            </script>