function HumansNotBots() {
    var htmlbody = document.getElementsByTagName('body')[0];
    var rep = '<a href="mailto:$1@$2.$3">$1@$2.$3</a>';
    var newInnerHTML = htmlbody.innerHTML.replace(/([a-zA-Z0-9._%+-]+)\s\(The\sAT\ssign\)\s([a-zA-Z0-9.-]+)\s\(The\sDOT\spunctuation\)\s([a-zA-Z]{2,4})/g, rep);
    htmlbody.innerHTML = newInnerHTML;
}

HumansNotBots();