MAC
1.  Turn on the computer
2.  Click on the "Apple Icon" in the upper left corner.

3.  Open "System Preferences"
4.  Click on the "Network Icon"

5.  Under "Show,"  select "Airport"

6.  Under "By Default, Join:", select "A Specific Network"

7.  Under "Network Name" type the ssid of the closest OII access point"
(lowercase, no quotes)
To find the closest OII AP CLICK HERE

8.  Click "Apply Now"
9.  Open up a web browser: