I'd suspect it is something mis-configured on their end that NoScript is blocking?
Does Error Console (Ctrl+Shift+J) show anything related when you load the page?
Blocks Needed Pop-up Windows
Re: Blocks Needed Pop-up Windows
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.19) Gecko/20110420 SeaMonkey/2.0.14 Pinball NoScript FlashGot AdblockPlus
Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 SeaMonkey/2.21a2
Re: Blocks Needed Pop-up Windows
Could be in one of the others & most likely would be prefaced with a [NoScript] kind of tag.
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.19) Gecko/20110420 SeaMonkey/2.0.14 Pinball NoScript FlashGot AdblockPlus
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 SeaMonkey/2.21a2