function verifyempty(form)
        {
            var alert_text ;
			 alert_text = "Choose answer";
              if (form.lang.value=='RU')
                { alert_text = "Сделайте выбор";}

            for (var i=0; i<form.answer.length;i++)
            { 
              if (form.answer[i].checked==true)
                { alert_text = "";
                    form.voteaction.value="update";
                }
            }

             if (alert_text == "")
             {
                form.submit();
                return;
             }
             else
              {
                alert(alert_text);
                return;
              }
            return;

        };