function intercettaMail() { 
        for (var i=0; i<document.links.length; i++) {
                if (document.links[i].protocol=="mailto:") {
                        document.links[i].href=document.links[i].href.replace(/\(chiocciola\)/,'@');
                        document.links[i].href=document.links[i].href.replace(/PUNTO/g,'.');
                }
                if (document.links[i].innerHTML.indexOf("(chiocciola)") > -1) {
                        document.links[i].innerHTML=document.links[i].innerHTML.replace(/\(chiocciola\)/,'@');
                        document.links[i].innerHTML=document.links[i].innerHTML.replace(/PUNTO/g,'.');
                }
        }
}

window.onload = intercettaMail;