if (document.getElementById) {
    document.write('<style type="text/css">\n')
    document.write('.option{display: none;}\n')
    document.write('</style>\n')
}

function SwitchMenu(obj) {
    //Create 	
    createCookie('Menu', obj, 1);

    if (document.getElementById) {
        var el = document.getElementById(obj);
        var ar = document.getElementById("masterdiv").getElementsByTagName("span");
        if (el.style.display != "block") {
            for (var i = 0; i < ar.length; i++) {
                if (ar[i].className == "option")
                    ar[i].style.display = "none";
            }
            el.style.display = "block";
        } else {
            el.style.display = "none";
            //Delete cookie
            eraseCookie('Menu');
        }
    }
}



function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    }
    else var expires = "";
    document.cookie = name + "=" + value + expires + "; path=/";
}
function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) {
            return c.substring(nameEQ.length, c.length);
        }
    }
    return null;

}

function LoadMenu() {
    var x = readCookie('Menu');

    if (x != null) {
        SwitchMenu(x);
    }
}
function eraseCookie(name) {
    createCookie(name, "", -1);
}