function Set_Cookie(name, value, expires, path, domain, secure)
{
    // set time, it's in milliseconds
    var today = new Date();
    today.setTime(today.getTime());

    /*
     if the expires variable is set, make the correct
     expires time, the current script below will set
     it for x number of days, to make it for hours,
     delete * 24, for minutes, delete * 60 * 24
     */
    if (expires)
    {
        expires = expires * 1000 * 60 * 60 * 24;
    }
    var expires_date = new Date(today.getTime() + (expires));

    document.cookie = name + "=" + escape(value) +
                      ( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) +
                      ( ( path ) ? ";path=" + path : "" ) +
                      ( ( domain ) ? ";domain=" + domain : "" ) +
                      ( ( secure ) ? ";secure" : "" );
}

function Delete_Cookie(name, path, domain) {
    if (Get_Cookie(name)) document.cookie = name + "=" +
                                            ( ( path ) ? ";path=" + path : "") +
                                            ( ( domain ) ? ";domain=" + domain : "" ) +
                                            ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}

function Get_Cookie(check_name) {
    // first we'll split this cookie up into name/value pairs
    // note: document.cookie only returns name=value, not the other components
    var a_all_cookies = document.cookie.split(';');
    var a_temp_cookie = '';
    var cookie_name = '';
    var cookie_value = '';
    var b_cookie_found = false; // set boolean t/f default f

    for (i = 0; i < a_all_cookies.length; i++)
    {
        // now we'll split apart each name=value pair
        a_temp_cookie = a_all_cookies[i].split('=');


        // and trim left/right whitespace while we're at it
        cookie_name = a_temp_cookie[0].replace(/^\s+|\s+$/g, '');

        // if the extracted name matches passed check_name
        if (cookie_name == check_name)
        {
            b_cookie_found = true;
            // we need to handle case where cookie has no value but exists (no = sign, that is):
            if (a_temp_cookie.length > 1)
            {
                cookie_value = unescape(a_temp_cookie[1].replace(/^\s+|\s+$/g, ''));
            }
            // note that in cases where cookie is initialized but no value, null is returned
            return cookie_value;
            break;
        }
        a_temp_cookie = null;
        cookie_name = '';
    }
    if (!b_cookie_found)
    {
        return null;
    }
}

