$(function() {  
    $('.email_nospam').each(function() {  
        var $email = $(this);  
        var address = $email.text()
            .replace(/\s*\{at\}\s*/, '@')  
            .replace(/\s*\{dot\}\s*/g, '.');  
        $email.html('<a href="mailto:' + address + '" class="mail">'  + address +'</a>');  
        });  
 });