var vTop = top.location.href;
  var vRef = top.document.referrer;

  var vParam = "";
  vParam += "<IMG SRC=\"http://www.fieldsystem.ne.jp/rank/directimg.asp";
  if (vTop != ""){
    vParam += "?topadr=";
    vParam += escape(vTop);
    vParam += "&refadr=";
    vParam += escape(vRef);
  	vParam += "&refsw=1";
  	vParam += "&jssw=1";
  }
  vParam += "\"";
  vParam += " BORDER=0 WIDTH=88 HEIGHT=31>";
  document.write(vParam);