Ocultar correo con JavaScript

He aquí mi YAJSCHM (Yet Another JavaScript Code for Hide Mail)

<script language="javascript">
<!--
part1 = "4dfCd4O57dfR89dfR0df9E0fdOd";
part2 = "Da6d8Ofq8739MIpN89IsOlo.2COi8urMd34sfv98";
part3 = "correo";
part4 = "aMd2dfAg53gI7Lfd83TdsOf76";
document.write('<a href="'+removeStuffs(part4)+'&#58;' + removeStuffs(part1) + '&#64;' + removeStuffs(part2) + '">');
document.write(part3 + '</a>');

function removeStuffs(string){
pattern = /[a-z\d]/g;
string = string.replace(pattern,"");
return string.toLowerCase();
}
// -->
</script>

Los bonitos colores los tenemos gracias a Online syntax highlighting