function preloadtrack(){
  if (document.referrer !=""){
    getReferrer = document.referrer; //参照元
  }else{
    getReferrer = "-";
  }
  getPth = "";
  if (window.location.hostname =="www.kepco.co.jp"){ //オンラインでの実行
    getPth += window.location.pathname;
    if (window.location.hash !=""){
      getPth +=  window.location.hash; //URLのアンカー
    }
    if (window.location.search !=""){
      getPth += window.location.search; //CGIへの引数
    }
  getLocation = "http://ad.mcp.co.jp/getlog.cgi?site=efresh&path=";
  getLocation += getPth;
  getLocation += "&referrer=";
  getLocation += getReferrer;
  document.mytrack.src = getLocation ;
  }
}