/*
  This contains a set of functions that help protect email addresses
  from spam-bots. Instead of using the email address directly, the 
  encoded value is stored in the html and decoded when required.
*/

// open the client email with the specified address
function sendEmail(encodedEmail)
{
  // do the mailto: link
  location.href = "mailto:" + decodeEmail(encodedEmail);
}

// display the email address in the statusbar
function displayStatus(encodedEmail)
{
  window.status = "mailto:" + decodeEmail(encodedEmail);
}

// clear the statusbar message
function clearStatus()
{
  window.status = "";
}

// return the decoded email address
function decodeEmail(encodedEmail)
{
  // The encodedEmail is a string that contains the email address.
  // Each character in the email address has been converted into 
  // a two digit number (hex / base16). This function converts the
  // series of numbers back into the real email address.

  // holds the decoded email address
  var email = "";

  // go through and decode the email address
  for (i=0; i < encodedEmail.length;)
  {
    // holds each letter (2 digits)
    var letter = "";
    //letter = encodedEmail.charAt(i) + encodedEmail.charAt(i+1)
    letter = encodedEmail.charAt(i)
    if (letter == "A"){
    letter = "@";
}
    else if (letter == "@"){
    letter = "A";
}
    else if (letter == "s"){
    letter = "x";
}
    else if (letter == "i"){
    letter = "g";
}
    else if (letter == "n"){
    letter = "a";
}
    else if (letter == "f"){
    letter = "t";
}
    else if (letter == "o"){
    letter = "e";
}
    else if (letter == "g"){
    letter = "i";
}
    else if (letter == "a"){
    letter = "n";
}
    else if (letter == "t"){
    letter = "f";
}
    else if (letter == "e"){
    letter = "o";
}
    else if (letter == "x"){
    letter = "s";
}

    // build the real email address
    //email += String.fromCharCode(parseInt(letter,16));
    //i += 2;
    email += letter;
    i += 1;
  }
  
  return email;
}