function myCallbackFunction(jsonData) {
	document.getElementById('k3l9kd_a').setAttribute('href', adsUrl + jsonData.background.current_ad_name);
	document.getElementById('k3l9kd_img').setAttribute('src', jsonData.background.current_ad_url_of_img);
	document.getElementById('k3l9kd_img_2').setAttribute('src', jsonData.background.button_url);
	document.getElementById('k3l9kd_img_3').setAttribute('src', jsonData.background.current_ad_button_url_of_img);
	bObj.removeScriptTag();
}

bObj = new JSONscriptRequest(backgroundUrl);
bObj.buildScriptTag();
bObj.addScriptTag();