Rot13 email

email-transfer.js

/**
 * @name        Newletter transfer
 * @package     P3 / Main
 * @author      Max Calabrese <max.calabrese@greenpeace.org>
 * @copyright   Greenpeace Nordic    
 */

/**
 * Used for transfering an email address via the url hash
 */
   
/**
* @return void 
*/
Main.getEmailFromHash = function(){
        
    var hash = window.location.hash,
    $emailInput = $("input[id*='txtEmail']");
    
    /**
    * Decodes a rot13 encoded string
    * @param string str
    */
    function rot13decode(str) {
        return str.replace(/[a-zA-Z]/g, function(c) {
            return String.fromCharCode((c <= 'Z' ? 90 : 122) >= (c = c.charCodeAt(0) + 13) ? c : c - 26);
        });
    }	
    
    // Insert email into text field
    if (hash && $emailInput.length > 0 && !$emailInput.val().length){
        hash = hash.replace('#', '');
        $emailInput.val( unescape( rot13decode(hash) ) ); 
    }
    
    // Show flash message?
    $('#language-notice').delay(800).show('fast');
}
    
jQuery(document).ready(function($) {
  Main.getEmailFromHash();
});