obfuscate_email.js

// https://github.com/mikebranski/jquery-nospam
// implementation

$(function(){

  function reverse(s){
    return s.split("").reverse().join("");
  }

  var tld = addr.substring( addr.lastIndexOf('.') + 1 );
  var domain = addr.substring( addr.lastIndexOf('@') + 1, addr.lastIndexOf('.') );
  var address = addr.substring( 0, addr.lastIndexOf('@') );
  $('.email').attr('rel', reverse(tld) + '/' + reverse(domain) + '//' + reverse(address) );
  $('.email').nospam({
    replaceText: true,
    filterLevel: 'normal'
  });
});