var sitename = "IIIEI";

function Get_Cookie(name) {
    name = sitename + 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 unescape(c.substring(nameEQ.length, c.length));
    }
    return null;
}

function Set_Cookie(name, value, days) {
    name = sitename + name;
    var date = new Date();
    date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
    var expires = "; expires=" + date.toGMTString();
    document.cookie = name + "=" + escape(value) + expires + "; path=/";
}

function Delete_Cookie(name) {
    Set_Cookie(name, '', -1);
}