Xophmeister/gist:3089424

## gistfile1.html
<html>
  <head>
    <title>Extreme E-Mail Obfuscation</title>
    <style>
      .something-else {
        font-size: 15pt;
      }
    </style>
    <script>

      // Extreme E-Mail Obfuscation
      // Christopher Harrison (MIT License) 2012

      // The actual e-mail address is XOR encrypted in the source and
      // decrypted on-the-fly. (An improvement may be creating an AJAX
      // service that returns an encrypted address and key dynamically,
      // rather than having it hard-coded.)

      // No e-mail links exist in the source; they are generated through
      // DOM manipulation upon page load, by searching for elements with
      // a particular class ('xMail'). This, therefore, requires
      // getElementsByClassName support; but that can be retrofitted
      // manually, if necessary.

      function decryptEMail() {
        var key   = 'Harvest this!';
        var xMail = [32, 8, 0, 19, 37, 11, 27, 80, 28, 70, 10, 28];
        var plain = '';

        for (var i in xMail) {
          plain += String.fromCharCode(key.charCodeAt(i % key.length) ^ xMail[i]);
        }

        return plain;
      }

      function buildMailers() {
        if (document.getElementsByClassName) {
          var mailers = document.getElementsByClassName('xMail');
          var addrURL = 'mailto:' + decryptEMail();

          for (var i = mailers.length - 1; i >= 0; i--) {
            var mailer = mailers[i];

            var cloneMail = mailer.cloneNode(true);
            cloneMail.className = cloneMail.className.replace(/(?:^|\s)xMail(?!\S)/, '');

            var newLink = document.createElement('a');
            newLink.setAttribute('href', addrURL);
            newLink.appendChild(cloneMail);

            with(mailer.parentNode) {
              insertBefore(newLink, mailer);
              removeChild(mailer);
            }
          }
        }
      }
    </script>
  </head>
  <body onload="buildMailers();">
    <div><img class="xMail" src="http://xoph.co/wp-content/uploads/2012/06/hire.png" /></div>
    <div><span class="xMail">Employ</span> <span class="xMail">me</span> <span class="xMail">now!</span></div>
    <div><p>Here is an <em class="xMail something-else">obfuscated e-mail link</em>.</p></div>
  </body>
</html>
	<html>
	<head>
	<title>Extreme E-Mail Obfuscation</title>
	<style>
	.something-else {
	font-size: 15pt;
	}
	</style>
	<script>

	// Extreme E-Mail Obfuscation
	// Christopher Harrison (MIT License) 2012

	// The actual e-mail address is XOR encrypted in the source and
	// decrypted on-the-fly. (An improvement may be creating an AJAX
	// service that returns an encrypted address and key dynamically,
	// rather than having it hard-coded.)

	// No e-mail links exist in the source; they are generated through
	// DOM manipulation upon page load, by searching for elements with
	// a particular class ('xMail'). This, therefore, requires
	// getElementsByClassName support; but that can be retrofitted
	// manually, if necessary.

	function decryptEMail() {
	var key = 'Harvest this!';
	var xMail = [32, 8, 0, 19, 37, 11, 27, 80, 28, 70, 10, 28];
	var plain = '';

	for (var i in xMail) {
	plain += String.fromCharCode(key.charCodeAt(i % key.length) ^ xMail[i]);
	}

	return plain;
	}

	function buildMailers() {
	if (document.getElementsByClassName) {
	var mailers = document.getElementsByClassName('xMail');
	var addrURL = 'mailto:' + decryptEMail();

	for (var i = mailers.length - 1; i >= 0; i--) {
	var mailer = mailers[i];

	var cloneMail = mailer.cloneNode(true);
	cloneMail.className = cloneMail.className.replace(/(?:^\|\s)xMail(?!\S)/, '');

	var newLink = document.createElement('a');
	newLink.setAttribute('href', addrURL);
	newLink.appendChild(cloneMail);

	with(mailer.parentNode) {
	insertBefore(newLink, mailer);
	removeChild(mailer);
	}
	}
	}
	}
	</script>
	</head>
	<body onload="buildMailers();">
	<div><img class="xMail" src="http://xoph.co/wp-content/uploads/2012/06/hire.png" /></div>
	<div><span class="xMail">Employ</span> <span class="xMail">me</span> <span class="xMail">now!</span></div>
	<div><p>Here is an <em class="xMail something-else">obfuscated e-mail link</em>.</p></div>
	</body>
	</html>