var $jq = jQuery.noConflict();

var nTimerId = 0;
function createTimer() {
    if (!nTimerId) {
        if (timeoutmillsecs == undefined)
            timeoutmillsecs = 21 * 60 * 1000;
        nTimerId = setTimeout("createTimer()", timeoutmillsecs);
        return;
    }
    clearTimeout(nTimerId);
    alert("Your brower's session has timed out. You'll be redirected to home page.");
    window.location.href = "/home.aspx"
}

$jq(document).ready(function() {
    createTimer();
})

function ResetSessionTimer() {
    if (nTimerId) {
        clearTimeout(nTimerId);
        nTimerId = 0;
        createTimer();
    }
}