function aes_nospam (emadd,subj) {
emadd = emadd.replace(/_\*_/gi,'@');
emadd = emadd.replace(/~\*~/gi,'.');
subj = escape(subj);

var tolink = "m"+"a"+"i"+"l"+"t"+"o"+":"+emadd;
if (subj != '') tolink = tolink + "?subject=" + subj;
// alert(tolink);
window.location=tolink;
}

// <a href='#' onClick='aes_nospam("email_address","default_subject");return false;'>Click here to email xxxx</a>
// where email address has @ symbol replaced by the characters _*_ and . characters replaced by ~*~