Window.top.reload =resettimer on iframes how to logout all frames in single page

 onload = function () {
        var t;
        window.onload = resetTimer;
        document.onmousemove = resetTimer;
        document.onkeypress = resetTimer;
        document.onclick = resetTimer;
        function logout() {
            Ext.Msg.show({
                title: 'Please sign in again',
                msg: 'Auto logout due to inactivity.',
                buttons: Ext.MessageBox.OK,
                width: 300,
                closable: false,
                fn: function (buttonId, text) {
                    if (buttonId == 'ok')
                        location.href = "<?php echo $this->createAbsoluteUrl('app/logout'); ?>";
                }
            });
        }
        function resetTimer() {
            clearTimeout(t);
            t = setTimeout(logout, 900000)//for 15 minutes
            // 1000 milisec = 1 sec
        }
    }
    if (typeof console == "undefined" || typeof console.log == "undefined")
        var console = {log: function () {
            }};
</script>

 onload = function () {
        var t;
        window.top.onload = resetTimer;

window.top.onmousemove=resetTimerl



        window.top.onmousemove = resetTimer;
        window.top.onkeypress = resetTimer;
        window.top.onclick = resetTimer;
        function logout() {
            Ext.Msg.show({
                title: 'Please sign in again',
                msg: 'Auto logout due to inactivity.',
                buttons: Ext.MessageBox.OK,
                width: 300,
                closable: false,
                fn: function (buttonId, text) {
                    if (buttonId == 'ok')
                        location.href = "<?php echo $this->createAbsoluteUrl('app/logout'); ?>";
                }
            });
        }
        function resetTimer() {
            clearTimeout(t);
            t = setTimeout(logout, 900000)//for 15 minutes
            // 1000 milisec = 1 sec
        }
    }
    if (typeof console == "undefined" || typeof console.log == "undefined")
        var console = {log: function () {
            }};
</script>