function readCookie( key )
{
    var cookie = document.cookie;
    var first = cookie.indexOf( key + "=" );
    if( first >= 0 )
    {
        var str = cookie.substring( first, cookie.length );
        var last = str.indexOf( ";" );
        if( last < 0 ) last = str.length;
        str = str.substring( 0, last ).split( "=" );
        return unescape( str[1] );
    }
    return null;
}

function isLoggedIn()
{
    if( readCookie( "loggedin" ) != null )
        return true;
    return false;
}

function getLoginID()
{
    var v = readCookie( "loggedin" );
    if( v == null ) return "";
    return v;
}