You didn't say what error message, but from context, it sounds like the "Javascript Disabled" message.
That is all that I got when I went to the site. No XSS (Cross-Site Scripting) message.
If so, the
NoScript "Features" Page and the sticky post,
NoScript Quick Start Guide, have complete and simple instructions for managing permissions.
Once you have whitelisted (or temporarily-allowed, if that's your preference
verizonwireless.com
vzw.com,
you may see in the NoScript menu an orange "Blocked Object". If you are still not seeing what you should on the site, clicking Temporarily Allow on the first line of the sub-menu that pops out when you hover the mouse over "Blocked Objects" will allow it -- in this case, an "inserted frame" called from somewhere else and placed in the page.
If it is in fact an XSS message, please open Firefox Error Console (Ctrl+Shift+J), and copy/paste here any blue "Info" messages related to NoScript, ABE, or XSS.
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:15.0.1) Gecko/20100101 Firefox/15.0.1