Javascript Anti Spam Email

AntiSpamEM

<!-- Hiding email address using a function to write in document (DOM) -->
<script type="text/javascript">
  //<![CDATA[
  function AntiSpamEM(domain, id, name) {
    email='"mail' + 'to:' +id + '@' + domain.replace(/%23/g,".") + '"'
    return '<a href=' + email  + 'onmouseover=' + email + 'onfocus=' + email + '>' + name + '</a>' ;
  };
 //]]>

</script>

<!-- Write Email link in DOM using function -->
<script type="text/javascript">
                           //<![CDATA[
                           document.write(AntiSpamEM('xxx%23yyyy%23org','xyz','contact'));
                           //]]>
                        </script>