|I'm not familiar with the 2960 but I've worked extensively with 2950's. So, I did a quick google search and came up with the following link: Cisco 2960 models|
It would be helpful if you told me exactly which one you have.
Even better yet, how about you show the basic configuration on the unit.
In a nutshell, you first create your VLAN's and then you would have to assign them to ports. With a 24 port switch, you could have 6 VLAN's with 4 ports assigned to each VLAN.