jQuery(function($){ var kwid_test = /KWID=([^&]+)/; var kwid_data = location.href.match(kwid_test); if (kwid_data){ var kwid = kwid_data[1]; var path = window.location.pathname + window.location.search; var referrer = document.referrer; $.ajax({ type: "POST", url: 'note_kwid.php', data: { kwid:kwid, path:path, referrer:referrer }, success: function(){} }); } });