function setCookie(name, value, Hours) {
    var exp = new Date();    //new Date("December 31, 9998");
    exp.setTime(exp.getTime() + Hours * 60 * 60 * 1000);
    document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString();
}


function getCookie(name) {
    var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
    if (arr = document.cookie.match(reg)) return unescape(arr[2]);
    else return null;
}

function WriteSelectNavigationCookie(value) {
    setCookie('SelectNavigation', value,24);
}

function ReadSelectNavigationCookie() {
    return getCookie("SelectNavigation");
}