In order to enable/disable your site for customer use please do the following:
1. Go to the section "Sites" and click the button "Sites"
2. Within this section, please click on the "hyperlink" button under the column "Domain Name" for the location that you wish to enable. (The address will be displayed on the columns to the right)
3. Scroll down to the section in the middle of this form called "Order Settings". There will be a box that says "Enabled"
4. Check this box to turn the site on:
5. Click the "Save" button at the bottom right of this form:
Your site is now enabled!