var An = "mail";
         var Dn = "wolfgangwatzke";
         var En = "de";
         var LinkText = An + "@" + Dn + "." + En;
         
         function setMailLink() {
           document.open();
           document.write("<a href=\"mailto:" + LinkText +"\"class=\"mail\"style=\"color: #000000\"" + "\">"+LinkText+"</a>");
           document.close();
         }