Does anybody know how I can get 2 SSID's on a Aironet 1100 AP and have 1 secured and the other non-secured......open for anybody to use?

I have 20+ Cisco Aironet 1100's. What I would like to do is create 2 SSID's 1 to be broadcasted and the other not. The one that is not broadcasted is going to be in use for 802.1x with a RADIUS server. The SSID that is broadcasted would like the be u...