var responseText1=jQuery.ajax({
  url: "/STI/STIFILES/ssi/header/bn_b4_top_ad.html",
  async: false
 }).responseText;

document.write(responseText1);

/*
var scr = document.createElement("script");
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   scr.src = "http://adtag.asiaone.com/tag/st/js/st_bn_asia_lb.js";
   document.body.appendChild(scr);



var responseText = jQuery.ajax({
  url: "/STI/STIFILES/ssi/bn/BNCommonHeaderaftertopad.html",
  async: false
 }).responseText;
document.write(responseText);*/