tocol = (("https:" == document.location.protocol) ? " https://" : " http://");
(function() {
var atag = document.createElement('script'); atag.type = 'text/javascript'; atag.async = true;
atag.src = _protocol + 'cjs.ptengine.com/pta_en.js';
var s = document.getElementsByTagName('script')[0];
s.parentNode.insertBefore(atag, s);
})();