Change history of ntk checkbox

Rev	Date	Modified by	Minor edit	Spam	WikiText	Revert to
4	2015-02-21 18:59:28	dkf	no	no	4	4
3	2015-02-21 18:59:14	dkf	no	no	3	3
2	2007-12-02 15:57:27	apw	no	no	2	2
1	2007-12-02 15:02:01	apw	no	no	1	1
0	2007-12-01 21:11:31	apw	no	no	0	0