//
function email_hider (c1, c2, c3) {
  var out = ""
  if (c1 != "" && c2 != "") {
    out = out + '<a href="'+'mail'+'to'+':'+c1+'&#64;'+c2+'">';
    if (c3 != "") {
      out = out + c3;
    } else {
      out = out + c1 + '@' + c2;
    }
    out = out + '</a>';
  } else {
    out = out + '<a href="/contactus.php">contact us</a>';
  }
  return out;
}// -->