橋本商会

var load_script = function(url, onload){

  var script = document.createElement("script");

  script.src = url;

  if(typeof onload === "function"){

    script.onload = onload;

    script.onreadystatechange = function(){

      if(readyState=="loaded" || readyState=="complete"){

        onload();

      }

    };

  }

  document.body.appendChild(script);

};



load_script("//ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js",function(){

  alert("script load success!!");

});