function validateAndSubmitNewsletterSubForm(theForm) {

   errorFields ="";
   if (theForm._191501005_1.checked == false && theForm._191501005_2.checked == false && theForm._191501005_3.checked == false) { errorFields += "- Select at least one newsletters.\n"; }
   if (theForm._191501006.value == "") { errorFields += "- Enter your first name.\n"; }
   if (theForm._191501007.value == "") { errorFields += "- Enter your last name.\n"; }
   if (theForm._191501008.value == "") { errorFields += "- Enter your email address.\n"; }

   if(errorFields == "") {
      return true;
   } else {
      alert(errorFields);
      return false;
   }

}