<head>
<script language=javascript><!--
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=" ";function getLogonTime(){var now=new Date();var ampm=(now.getHours()>=12)?" م":" "
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();OnTimeValue=(" "
+Hours
+Minutes
+Seconds
+" "
+ampm);onHours=now.getHours();onMinutes=now.getMinutes();onSeconds=now.getSeconds();}
function getLogoffTime(){var now=new Date();var ampm=(now.getHours()>=12)?" م":" "
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();OffTimeValue=(" "
+Hours
+Minutes
+Seconds
+" "
+ampm);offHours=now.getHours();offMinutes=now.getMinutes();offSeconds=now.getSeconds();timer();}
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;logHours=((logHours<10)?"0":":")+logHours;logMinutes=((logMinutes<10)?":0":":")+logMinutes;logSeconds=((logSeconds<10)?":0":":")+logSeconds;PageTimeValue=(" "
+logHours
+logMinutes
+logSeconds);displayTimes();}
function displayTimes(){alert("nوقت الدخول للصفحة : "+OnTimeValue+"nnوقت الخروج : "+OffTimeValue+"nnالوقت الذي قضيته في الصفحة: "+PageTimeValue);}//-->
</script>
</head>
<body onload="getLogonTime()">
<center>
<form>
<input type=button value="الوقت الذي قضيته في الصفحة" onclick="getLogoffTime()">
</form>
</center>