//   VALID TICKET   //
function validation(){
if(document.enquiry.tickets.value=="--"){
alert('Please select the number of tickets');return false;}
var x = 0; var or = document.getElementsByName("category");
for (var i = 0; i < or.length; i++){
if (document.enquiry.category[i].checked == true){x = x + 1;}}
if (x == 0){alert('Please select your category');return false;}}