１０．Cookie（クッキー）日付<72p>

<html>
<head>
<title>cookie01</title>
</head>
<body>
<script language="JavaScript">
houmon=getCookie("Houmon");
if(houmon==""){
houmon=1;
}
document.write("これまでの訪問回数:"+houmon);
houmon++;
document.write("これまでの訪問回数:"+houmon);
setCookie("Houmon",houmon);

function getCookie(key){
tmp=document.cookie+";";
tmp1=tmp.indexOf(key,0);
if(tmp1!=-1){
tmp=tmp.substring(tmp1,tmp.length);
start=tmp.indexOf("=",0)+1;
end=tmp.indexOf(";",start);
return(unescape(tmp.substring(start,end)));
}
return("");
}

function setCookie(key,val){
tmp=key+"="+escape(val)+";";
tmp+="expires=Fri,31-Dec-2010 23:59:59;";
document.cookie=tmp;
}

</script>
</body>
</html>