un esempio veloce
codice:
<html>
<head>
<title>popup con cookie</title>
<script type="text/javascript">
function setCk_popup() {
var date = new Date();
date.setTime(date.getTime()+1800000); // 30min * 60sec * 1000millisec
document.cookie = 'pop=ok; expires='+date.toGMTString()+'; path=/';
}
function getCk(name) {
var nameEQ = name + '=';
var ca = document.cookie.split(';');
for(var i=0;i < ca.length;i++) {
var c = ca[i];
while (c.charAt(0)==' ') c = c.substring(1,c.length);
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
}
return null;
}
if(getCk('pop')!="ok"){
setCk_popup()
var props="toolbar=0,menubar=0,status=0,location=0,scrollbars=0,resizable=0,width=320,height=240,top=100,left=100"
window.open("pagina.htm","popup",props)
}
</script>
</head>
<body>
</body>
</html>
ciao
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