// JavaScript Document
{ coded = "EFKO.MtvvtnEUQa@8itaiFjaFi.qQE "
  key = "As839Blhck0xORZ6QrKPIVmFwt7CJSaLUbNgYvWqHG21fdXoj45pDEeMizuTyn"
  shift=coded.length
  link=""
  for (i=0; i<coded.length; i++) {
    if (key.indexOf(coded.charAt(i))==-1) {
      ltr = coded.charAt(i)
      link += (ltr)
    }
    else {     
      ltr = (key.indexOf(coded.charAt(i))-shift+key.length) % key.length
      link += (key.charAt(ltr))
    }
  }
document.write("<a href='mailto:"+link+"'>click here to contact Mark by E-mail</a>")
}