var domain = "ahrensburger-kammerorchester.de";

function writeMail(name, address, subject, content, anchorClass) {
  document.write("<a ");
  if (anchorClass) {
    document.write("class='");
    document.write(anchorClass);
    document.write("'");
  }
  document.write("href='mailto:");
  document.write(name);
  document.write(" ");
  document.write("<");
  document.write(address);
  document.write("@");
  document.write(domain);
  document.write(">");
  if (subject) {
    document.write("?subject=");
    document.write(subject);
  }
  document.write("'>");
  document.write(content ? content : name);
  document.write("</a>");
}