JavaScript Timer function for session time out.

<script language=”javascript” type=”text/javascript”>
document.onkeypress= resetTimer
document.onmousemove= resetTimer
document.onmousedown= resetTimer
document.Onfocus= resetTimer

var timerId;

timerId = window.setTimeout(“timeOut()”,7200000);

function resetTimer() {
window.clearTimeout(timerId);
timerId = window.setTimeout(“timeOut()”,7200000);
}

function timeOut(){
// do something here

alert(“Your session is times out. You will not be able to continue. Please login again “);
var x=1;
if(x==1){
//do something here
}
}
</script>