GameMaker - Instance Nearest Second

function InstanceNearestNotMe(_object)
{
    var _realX = x;
    x = x << 5;
    var _nearest = instance_nearest(_realX, y, _object);
    x = _realX;
    if (_nearest == id) return noone;
    return _nearest;
}

function Instance2ndNearest(_object)
{
    if (instance_number(_object) < 3) return noone;
    var _realX = x;
    x = x << 5;
    with instance_nearest(_realX, y, _object)
    {
        var _nearX = x;
        x = x << 5;
        var _nearest = instance_nearest(_nearX, y, _object);
        x = _nearX;
    }
    x = _realX;
    return _nearest;
}