<script type="text/javascript" language="JavaScript">
<!-- JavaScript小技集
// 2002. 3.25作成
// バグフィックス版 1.1
var numberOfVisits = 0
var welcomeMsg = "初めてのご訪問ありがとうございます。" // 初めての訪問者向けメッセージ
var cExpires
var nowDate = new Date()
var thisSessionFirst = false
nowDate.setYear(nowDate.getYear()+1)
cExpires = nowDate.toGMTString()
var cookieValue = document.cookie
if (cookieValue.indexOf(" sess1st=false") == -1) {
  if (cookieValue.indexOf("sess1st=false") == -1) {
     thisSessionFirst = true
  }
}
var startOfValue = cookieValue.indexOf(" visits=")
if (startOfValue == -1) {
   startOfValue = cookieValue.indexOf("visits=")
   if (startOfValue == -1) {
      cookieValue = null
      numberOfVisits = 1
   }
}
if (numberOfVisits != 1) {
   startOfValue = cookieValue.indexOf("=", startOfValue) + 1
   var endOfValue = cookieValue.indexOf(";", startOfValue)
   if (endOfValue == -1) {
      endOfValue = cookieValue.length
   }
   numberOfVisits = Number(cookieValue.substring(startOfValue, endOfValue))
   if (thisSessionFirst) {
      numberOfVisits++
   }
   if (numberOfVisits > 1) {
      welcomeMsg = numberOfVisits + "回目のご訪問ありがとうございます。"
   }
}
document.cookie = "visits=" + numberOfVisits + ";expires=" + cExpires + ";"
document.cookie = "sess1st=false;"
document.write(welcomeMsg)
// end of JavaScript -->
</script>
