Пример:
Здравствуйте. Вы были тут уже 1 раз .
Последний раз: Вторник, 8. Января.

                        
<script language="JavaScript">



function getCookieVal (offset) {

var endstr = document.cookie.indexOf (";", offset);

if (endstr == -1)

endstr = document.cookie.length;

return unescape(document.cookie.substring(offset, endstr));

}



function GetCookie (name) {

var arg = name + "=";

var alen = arg.length;

var clen = document.cookie.length;

var i = 0;

while (i < clen) {

var j = i + alen;

if (document.cookie.substring(i, j) == arg)

return getCookieVal (j);

i = document.cookie.indexOf(" ", i) + 1;

if (i == 0) break;

}

return null;

}



function SetCookie (name, value) {

var argv = SetCookie.arguments;

var argc = SetCookie.arguments.length;

var expires = (argc > 2) ? argv[2] : null;

var path = (argc > 3) ? argv[3] : null;

var domain = (argc > 4) ? argv[4] : null;

var secure = (argc > 5) ? argv[5] : false;

document.cookie = name + "=" + escape (value) +

((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +

((path == null) ? "" : ("; path=" + path)) +

((domain == null) ? "" : ("; domain=" + domain)) +

((secure == true) ? "; secure" : "");

}



function DeleteCookie (name) {

var exp = new Date();

exp.setTime (exp.getTime() - 1);

// This cookie is history

var cval = GetCookie (name);

document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();



}



var expDays = 30;

var exp = new Date();



exp.setTime(exp.getTime() + (expDays*24*60*60*1000));





function name(n){

if(n != null) {

var name = name

}



else if(GetCookie('name') != null) {

var name = GetCookie('name')

}



else {

var name = prompt("Введите Ваше имя",'');



if(name == null || name == "") {

name = "null"

}



else {

SetCookie('name',name,exp);

}

}



return name;



}





function time() {

var days = new Array(7)

days[1] = "Воскресенье";

days[2] = "Понедельник";

days[3] = "Вторник";

days[4] = "Среда";

days[5] = "Четверг";

days[6] = "Пятница";

days[7] = "Суббота";



var months = new Array(12)

months[1] = "Января";

months[2] = "Февраля";

months[3] = "Марта";

months[4] = "Апреля";

months[5] = "Мая";

months[6] = "Июня";

months[7] = "Июля";

months[8] = "Августа";

months[9] = "Сентября";

months[10] = "Октября";

months[11] = "Ноября";

months[12] = "Декабря";



var today = new Date()

var day = days[today.getDay() + 1]

var month = months[today.getMonth() + 1]

var date = today.getDate()

var year = today.getYear()



var full = day + ", " + date + ". " + month + " " + year



if(GetCookie('date') != null) {

var savedate = GetCookie('date')

DeleteCookie('date')

SetCookie('date',full,exp)

return savedate

}



else {

SetCookie('date',full,exp)

return null

}

}







function amt(){





var count = GetCookie('count')



if(count == null) {

SetCookie('count','1')

return 0

}



else {

var newcount = parseInt(count) + 1;

DeleteCookie('count')

SetCookie('count',newcount,exp)

return count

}

}





function print(what) {

if(what == "name") {

return name()

}



else if(what == "date") {

if(time() == null) {

return "[Вы еще не были здесь!!!]"

}

else {

return time()

}

}



else if(what == "times") {

return amt()

}



}





function process(how) {

if(how == 'newname') {

SetCookie('name',prompt('Your Name?',''))

location.reload()

}



else if(how == 'newprofile') {

DeleteCookie('name')

DeleteCookie('count')

DeleteCookie('date')

location.reload()

}

}

// --End Hiding Here -->

</script>

<script>document.write("<font face=verdana size=-1>Здравствуйте, <b>" + print('name') + "</b>. Вы были тут уже <b>" + print('times') + "</b> раз . Последний раз: <b>" + print('date') +"</b>.")

</script>