JQuery PROBLEM

I have a JQuery script for a page which have wizrd control in it.
$(document).ready(function() {
$("#ctl00_body_WzdGeneralQuestionnair_pnlNewAddress").hide(); $("#ctl00_body_WzdGeneralQuestionnair_pnlNewInsurance").hide(); // $("#ctl00_body_WzdGeneralQuestionnair_IfYesHospitalize").hide();
$('#ctl00_body_WzdGeneralQuestionnair_Medicines tbody tr').click(function() {
if(input[type="checkbox"]) var notes = $(this).closest('td .notes'); notes.prop('disabled', $(this).is(':checked'));
});
$("#ctl00_body_WzdGeneralQuestionnair_DL_PlaceOrder_ctl00_ddlAnswers").change(function() {
var val = $(this).val();
...