var iframe_src = 'http://x.jd.com/exsites?spread_type=2&ad_ids=123:5&location_info=0&callback=getjjsku_callback';
	var mtl2html='<iframe frameborder="0" scrolling="no" width="200" height="310" marginwidth="0" marginheight="0" src="'+iframe_src+'"></iframe>';
	document.write('<div id="chn295" style="width:200px; height:310px; float:left; margin:0 10px 10px 0; overflow:hidden;">'+mtl2html+'</div>');