$(document).ready(function(){ $('input[type=checkbox][name=surveillance]').click(function() { if($(this).attr('checked')== true){ $('#survForm').css('display','block'); }else{ $('#survForm').css('display','none'); } }); var options = { target: '#frmSurv', url: './pages/ajax_surveillance.php', beforeSubmit: showRequest, success: showResponse }; $('#frmSurv').submit(function() { $(this).ajaxSubmit(options); return false; }); function showRequest(formData, jqForm, options) { $('#frmSurv').replaceWith('