jqueryload.js

(function jQuery_load(){
        var head = document.getElementsByTagName("head")[0];
        var sc = document.createElement("script");
        sc.src = "//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js";
        head.appendChild(sc);
        sc.onload = function(){
            jQuery.noConflict();
            window.$jQ = jQuery;
        };
})();