Write a script to keep track of number of times the web page has been accessed (use $_COOKIE)

<html>
<body>
<SCRIPT>
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);
            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 amt()
{
            var count = GetCookie('count')
            if(count == null)
            {
                        SetCookie('count','1')
                        return 1
            }
            else
            {
                        var newcount = parseInt(count) + 1;
                        DeleteCookie('count')
                        SetCookie('count',newcount,exp)
                        return count
            }
}
function getCookieVal(offset)
{
            var endstr = document.cookie.indexOf (";", offset);
            if (endstr == -1)
            endstr = document.cookie.length;
            return unescape(document.cookie.substring(offset, endstr));
}
</SCRIPT>
<SCRIPT>
            document.write("You've been here <b>" + amt() + "</b> times accessed webpage.")
</SCRIPT>
</body>

</html>