k1.Planovi_Ishrane = new List<MongoDBRef>();
            k1.Treninzi = new List<MongoDBRef>();

            k2.Planovi_Ishrane = new List<MongoDBRef>();
            k2.Treninzi = new List<MongoDBRef>();

            k3.Planovi_Ishrane = new List<MongoDBRef>();
            k3.Treninzi = new List<MongoDBRef>();

            k4.Planovi_Ishrane = new List<MongoDBRef>();
            k4.Treninzi = new List<MongoDBRef>();

            k5.Planovi_Ishrane = new List<MongoDBRef>();
            k5.Treninzi = new List<MongoDBRef>();

            k6.Planovi_Ishrane = new List<MongoDBRef>();
            k6.Treninzi = new List<MongoDBRef>();

            k4.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p1.Id));
            k4.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p2.Id));
            k4.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p3.Id));
            k4.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p4.Id));
            k4.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p5.Id));

            k5.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p6.Id));
            k5.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p7.Id));
            k5.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p8.Id));
            k5.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p9.Id));
            k5.Planovi_Ishrane.Add(new MongoDBRef("planovi_ishrane", p10.Id));

            k4.Trenizi.Add(new MongoDBRef("trenizi", t1.Id));
            k4.Trenizi.Add(new MongoDBRef("trenizi", t2.Id));
            k4.Trenizi.Add(new MongoDBRef("trenizi", t3.Id));

            k5.Trenizi.Add(new MongoDBRef("trenizi", t4.Id));
            k5.Trenizi.Add(new MongoDBRef("trenizi", t5.Id));
            k5.Trenizi.Add(new MongoDBRef("trenizi", t6.Id));