function btnzriddle(user, domain, tld, title){ 
   var emailId = "ToursNZ1011" + "\u0040" + "tours-of-new-zealand" + ".com?subject=Touring info'"; 
   var url = "mailto:" + emailId; 
   document.write("<a href='" + url + "'>" + "Click here to email" + "</a>");
}