كود لمعرفة الوقت الذي قضيته بالصفحة

زر الوقت الذي قضيته بالصفحة
<--xx-->
<!-- Activate Cloaking Device

var onHours = " ";
var onMinutes = " ";

var onSeconds = " ";

var offHours = 0;
var offMinutes = 0;
var offSeconds = 0;

var logSeconds = 0;
var logMinutes = 0;
var logHours = 0;

var OnTimeValue = " ";
var OffTimeValue = " ";
var PageTimeValue = " ";

// Back to previous page.
function WinOpen()
{
getLogoffTime();
--xx--="js-timet.htm"
--xx--="js-timet.htm" // double call for Mac users??
}

// Loads HTML page to full window for View Source.
function WinOpen1()
{
alert('View/Document Source from menu bar..., then close new window to return to this page. The animation of the radio buttons on the --xx-- index will be dead upon return. Reload the --xx-- page to get them going again. ');
window.open("js-timer.htm","DisplayWindow","menubar=yes,scrollbars=yes");
}

// Captures logon time.
function getLogonTime()
{
var now = new Date();
// Used to display logon time.
var ampm = (now.getHours() >= 12) ? " مساءً" : " صباحاً"
var Hours = now.getHours();
Hours = ((Hours > 12) ? Hours - 12 : Hours);
var Minutes = ((now.getMinutes() < 10) ? ":0" : ":") + now.getMinutes();

var Seconds = ((now.getSeconds() < 10) ? ":0" : ":") + now.getSeconds();
// String to display log-on time.

OnTimeValue =(" "

+ Hours

+ Minutes

+ Seconds

+ " "
+ ampm);

// Capture logon time for use in timer().
onHours = now.getHours();
onMinutes = now.getMinutes();
onSeconds = now.getSeconds();
}

function getLogoffTime()
{
var now = new Date();
// Used to display logoff time.
var ampm = (now.getHours() >= 12) ? " مساءً" : " صباحاً"
var Hours = now.getHours();
Hours = ((Hours > 12) ? Hours - 12 : Hours);

var Minutes = ((now.getMinutes() < 10) ? ":0" : ":") + now.getMinutes();

var Seconds = ((now.getSeconds() < 10) ? ":0" : ":") + now.getSeconds();
// String to display log-off time.

OffTimeValue =(" "

+ Hours

+ Minutes

+ Seconds

+ " "
+ ampm);

// Capture logoff time for use in timer().
offHours = now.getHours();
offMinutes = now.getMinutes();
offSeconds = now.getSeconds();

timer();
}

// Compute difference between logoff time and logon time.
function timer()
{
if (offSeconds >= onSeconds)
{ logSeconds = offSeconds - onSeconds; }
else
{
offMinutes -= 1;
logSeconds = (offSeconds + 60) - onSeconds;
}
if (offMinutes >= onMinutes)
{ logMinutes = offMinutes - onMinutes; }
else
{
offHours -= 1;
logMinutes = (offMinutes + 60) - onMinutes;
}
logHours = offHours - onHours;

// Used to display time on page.
logHours = ((logHours < 10) ? "0" : ":") + logHours;
logMinutes = ((logMinutes < 10) ? ":0" : ":") + logMinutes;

logSeconds = ((logSeconds < 10) ? ":0" : ":") +logSeconds;
// String to display time on page.
PageTimeValue =(" "

+ logHours

+ logMinutes

+ logSeconds);

displayTimes();
}

function displayTimes()
{
alert("\nوقت دخول الصفحة : " +OnTimeValue+"\n\nوقت الخروج : "+OffTimeValue+"\n\nالوقت الذي قضيته بالصفحة هو : " + PageTimeValue);
}

// Deactivate Cloaking -->
</--xx-->

شكراً أخي