function showEmail(user, domain, tld, title){ 
   var emailId = user + "\u0040" + domain + "." + tld; 
   var url = "mailto:" + emailId; 

   if(!title){ 
       title = emailId; 
   } 
   document.write("<a class='footer_link' href='" + url + "'>" + title + "</a>"); 
}