function gather200() {
 var tickno = document.getElementById('CAT_Custom_234791').value
 tickpr = 200.00,
 TicketAmount = 0,
 TotalAmount = 0,
 workamount = 0;


 TicketAmount = (tickno * tickpr)

 document.getElementById('CAT_Custom_234793').value = TicketAmount;
 document.getElementById('Amount').value = TicketAmount;
}