var waaPath = 'http://www.utchy.com/cgi-bin/loging.cgi?Site=waalog&Contents=' ;

  var referrer2 = new String(document.referrer) ;
  waaImgsrc = '<img src="' + waaPath + waaPage ;

  var IE4 = (0 <= navigator.userAgent.indexOf('MSIE 4.')) ? true : false ;
  var IE5 = (0 <= navigator.userAgent.indexOf('MSIE 5.')) ? true : false ;
  var IE6 = (0 <= navigator.userAgent.indexOf('MSIE 6.')) ? true : false ;
  var NN4 = (0 <= navigator.userAgent.indexOf('Mozilla/4.') && -1 == navigator.userAgent.indexOf('MSIE ') ) ? true : false ;
  var NN5 = (0 <= navigator.userAgent.indexOf('Mozilla/5.') && -1 == navigator.userAgent.indexOf('MSIE ') ) ? true : false ;

  if (IE4 || IE5 || IE6){
    waaImgsrc = waaImgsrc + "&Video=" + window.screen.Width + "x" + window.screen.Height + "x" + window.screen.colorDepth ;
  } else if (NN4 || NN5) {
    waaImgsrc = waaImgsrc + "&Video=" + window.screen.availWidth + "x" + window.screen.availHeight + "x" + window.screen.colorDepth ;
  }

  if ( 0 < referrer2.length ){
  waaImgsrc = waaImgsrc + '&Option=' + referrer2
  }

  waaImgsrc = waaImgsrc + '" border="0">' ;

  document.writeln ( waaImgsrc ) ;
//  if (referrer2 == 'http://www.mmjp.or.jp/knife/') location.href = 'http://www.mmjp.or.jp/knife/';