$(document).ready(function(){
    $(".email").each(function(){
        var ats, dots, address, i;
        ats = [' (at) '];
        dots = [' (dot) '];
        address = $(this).html();
        for ( i = 0; i < ats.length; i++ ) {
            address = address.replace(ats[i], '@');
        }
        for ( i = 0; i < dots.length; i++ ) {
            address = address.replace(dots[i], '.');
        }
        $(this).html('<a href="mailto:' + address + '">' + address + '</a>');
    });
});