function EmailUnobsfuscate() {
       
       // find all links in HTML
       var link = document.getElementsByTagName && document.getElementsByTagName("a");
       var email, e;
       
       // examine all links
       for (e = 0; link && e < link.length; e++) {
       
               // does the link have use a class named "email"
               if ((" "+link[e].className+" ").indexOf(" email ") >= 0) {
               
                       // get the obfuscated email address
                       email = link[e].firstChild.nodeValue || "";
                       
                       // transform into real email address
                       email = email.replace(/dot/ig, ".");
                       email = email.replace(/\(at\)/ig, "@");
                       email = email.replace(/\s/g, "");
                       
                       // is email valid?
                       if (/^[^@]+@[A-Z0-9]+([_\.\-]{0,1}[A-Z0-9]+)*([\.]{1}[A-Z0-9]+)+$/.test(email)) {
                       
                               // change into a real mailto link
                               link[e].href = "mailto:" + email;
                               link[e].firstChild.nodeValue = email;
               
                       }
               }
       }
}
window.onload = EmailUnobsfuscate;