$.fn.update_select_options = function(options, clear_select_list) {
  if(!this.is("select")) return;

  this.empty();
  if(clear_select_list)
    $.each(clear_select_list, function() { $("#" + this).empty(); });

  var self = this;
  $.each(options, function() {
    $("<option />").text(this[0]).val(this[1]).appendTo(self);
  });

  return this;
}

function confirmOrder(){
	if (confirm('Are you sure you want to make this booking with Easyrider Adventure Tours?')){
		$('#form_submit').attr("disabled", true)
		$('#paymentForm').submit();
	}
}