You are here: irt.org | FAQ | JavaScript | Cookie | Q1360 [ previous next ]
Try:
<html>
<head>
<script language="JavaScript"><!--
function Get_Cookie(name) {
var start = document.cookie.indexOf(name+"=");
var len = start+name.length+1;
if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
if (start == -1) return null;
var end = document.cookie.indexOf(";",len);
if (end == -1) end = document.cookie.length;
return unescape(document.cookie.substring(len,end));
}
function Set_Cookie(name,value,expires,path,domain,secure) {
document.cookie = name + "=" +escape(value) +
( (expires) ? ";expires=" + expires.toGMTString() : "") +
( (path) ? ";path=" + path : "") +
( (domain) ? ";domain=" + domain : "") +
( (secure) ? ";secure" : "");
}
function Delete_Cookie(name,path,domain) {
if (Get_Cookie(name)) document.cookie = name + "=" +
( (path) ? ";path=" + path : "") +
( (domain) ? ";domain=" + domain : "") +
";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
var mainUrl = 'mainpage.html';
var days = 14; // valid two weeks from now
function isCookieEnabled() {
if (document.all) return navigator.cookieEnabled;
Set_Cookie('testcookie',today.getTime());
var tc = Get_Cookie('testcookie');
Delete_Cookie('testcookie');
return (tc == today.getTime());
}
var today = new Date();
var zero_date = new Date(0,0,0);
today.setTime(today.getTime() - zero_date.getTime());
var todays_date = new
Date(today.getYear(),today.getMonth(),today.getDate(),0,0,0);
var expires_date = new Date(todays_date.getTime() + (days * 86400000));
var beenHere = Get_Cookie('beenHere');
if (beenHere == 'yes') {
if (document.images) window.location.replace(mainUrl);
else window.location = mainUrl;
}
else if (isCookieEnabled()) Set_Cookie('beenHere','yes',expires_date);
//--></script>
</head>
<body>
If you have been here before you will be redirected...
</body>
</html>