// Boolean variable specified if alert should be displayed if cookie exceeds 4KB
var caution = false

// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments
function setCookie(name, value, expires, path, domain, secure) {
var curCookie = name + "=" + escape(value) +
((expires) ? "; expires=" + expires.toGMTString() : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : "")
if (!caution || (name + "=" + escape(value)).length <= 4000)
document.cookie = curCookie
else
if (confirm("Cookie exceeds 4KB and will be cut!"))
document.cookie = curCookie
}

// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist
function getCookie(name) {
var prefix = name + "="
var cookieStartIndex = document.cookie.indexOf(prefix)
if (cookieStartIndex == -1)
return null
var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)
if (cookieEndIndex == -1)
cookieEndIndex = document.cookie.length
return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))
}

// name - name of the cookie
// [path] - path of the cookie (must be same as path used to create cookie)
// [domain] - domain of the cookie (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted if no explicit argument proceeds
function deleteCookie(name, path, domain) {
if (getCookie(name)) {
document.cookie = name + "=" +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
"; expires=Thu, 01-Jan-70 00:00:01 GMT"
}
}

// date - any instance of the Date object
// * you should hand all instances of the Date object to this function for "repairs"
// * this function is taken from Chapter 14, "Time and Date in JavaScript", in "Learn Advanced JavaScript Programming"
function fixDate(date) {
var base = new Date(0)
var skew = base.getTime()
if (skew > 0)
date.setTime(date.getTime() - skew)
}

var now = new Date()
fixDate(now)
now.setTime(now.getTime() + 31 * 24 * 60 * 60 * 1000)
var name = getCookie("name")
if (!name)
name = prompt("Please enter your name:", "John Doe")
setCookie("name", name, now)
document.write("Hello " + name + "!")
//-->
</script>

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 = (2 < argc) ? argv[2] : null;
var path = (3 < argc) ? argv[3] : null;
var domain = (4 < argc) ? argv[4] : null;
var secure = (5 < argc) ? 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 DisplayInfo() {
var expdate = new Date();
var visit;
expdate.setTime(expdate.getTime() + (24 * 60 * 60 * 1000 * 365));
if(!(visit = GetCookie("visit")))
visit = 0;
visit++;
SetCookie("visit", visit, expdate, "/", null, false);
var message;
if(visit == 1)
message=" Welcome to my page!";
if(visit== 2)
message=" I see you came back !";
if(visit == 3)
message=" Oh, it's you again!";
if(visit == 4)
message=" You must be curious!";
if(visit == 5)
message=" You're practically a regular!";
if(visit == 6)
message=" You need a hobby!";
if(visit == 7)
message=" Nothing better to do?";
if(visit == 8)
message=" Don't you ever sleep?";
if(visit == 9)
message=" Get a life!!!";
if(visit >= 10)
message=" Rent is due on the 1st of the month!";
alert("\n"+"Your browser has visited this page \n"
+" "+visit+"\n"
+" time(s)."+"\n"+"\n"
+message);
}
function ResetCounts() {
var expdate = new Date();
expdate.setTime(expdate.getTime() + (24 * 60 * 60 * 1000 * 365));
visit = 0;
SetCookie("visit", visit, expdate , "/", null, false);
history.go(0);
}

window.onload=DisplayInfo
</Script>

var days = 730; // days until cookie expires = 2 years.
var lastvisit=new Object();
var firstvisitmsg="This is your first visit to this page. Welcome!";
lastvisit.subsequentvisitmsg="Welcome back visitor! Your last visit was on <b>[displaydate]</b>";

lastvisit.getCookie=function(Name){
var re=new RegExp(Name+"=[^;]+", "i");
if (document.cookie.match(re))
return document.cookie.match(re)[0].split("=")[1];
return'';
}

lastvisit.setCookie=function(name, value, days){
var expireDate = new Date();

var expstring=expireDate.setDate(expireDate.getDate()+parseInt(days));
document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()+"; path=/";
}

lastvisit.showmessage = function() {
var wh = new Date();
if (lastvisit.getCookie("visitc") == "") {
lastvisit.setCookie("visitc", wh, days);
document.write(firstvisitmsg);
}

else {
var lv = lastvisit.getCookie("visitc");
var lvp = Date.parse(lv);
var now = new Date();
now.setTime(lvp);
var day = new Array("Sun", "Mon", "Tues", "Wed", "Thur", "Fri", "Sat");
var month = new Array ("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
var dd = now.getDate();
var dy = now.getDay();
dy = day[dy];
var mn = now.getMonth();
mn = month[mn];
yy = now.getFullYear();
var hh = now.getHours();
var ampm = "AM";
if (hh >= 12) {ampm = "PM"}
if (hh >12){hh = hh - 12};
if (hh == 0) {hh = 12}
if (hh < 10) {hh = "0" + hh};
var mins = now.getMinutes();
if (mins < 10) {mins = "0"+ mins}
var secs = now.getSeconds();
if (secs < 10) {secs = "0" + secs}
var dispDate = dy + ", " + mn + " " + dd + ", " + yy + " " + hh + ":" + mins + ":" + secs + " " + ampm
document.write(lastvisit.subsequentvisitmsg.replace("\[displaydate\]", dispDate))
}

lastvisit.setCookie("visitc", wh, days);

}

lastvisit.showmessage();

</script>