JQuery Error and run twice

<script type="text/javascript">
    var names_count = 0;
    var c_count = 0;
    var blocked_seats = 0;
    names_count = 0;
    c_count = 0;
    blocked_seats = 0;



    $(function () {


        $('input#SaveBTN.link').click(function (e) {

			

            e.preventDefault();
			alert("HERE");
            $('.Ctitle').each(function () {
                if ($(this).val() != "Infant") {
                    c_count = c_count + 1;
                    //				

                }


            });
            //alert('namecount '+c_count);


            names_count = c_count + 1;
            blocked_seats = parseInt($('.seats').val());
            //alert(blocked_seats);
            $('.seats').val(blocked_seats - names_count);
            // $("#New_booking_form").submit();
            //alert(names_count);
            names_count = 0;
            c_count = 0;
            blocked_seats = 0;
        });




    });
    names_count = 0;
    c_count = 0;
    blocked_seats = 0;
</script>

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