Email link obfuscation, revisited: MooTools version

The test link: Email our sales department.

The code:

window.addEvent("domready", function(){
   var addressCleaner = function (){
      this.href = this.href.split("?")[0].replace("notspam", "");
      this.removeEvents({
         "click": addressCleaner,
         "contextmenu": addressCleaner
      });
   };
   $$("a[href^=mailto:]").each(function (a){
      a.addEvents({
         "click": addressCleaner,
         "contextmenu": addressCleaner
      });
   });
});
});

Other examples: