//mad
var encode_url = escape(document.referrer);
var mad_host   = (document.location.protocol=="https:") ? 'https://send.microad.jp' : 'http://track.send.microad.jp';
var mad_url    = mad_host+'/track.cgi?clientid=5428&group=&prereferrer='+encode_url;
var mad_target = new Image();
mad_target.src = mad_url;