avast seems to be blocking based on this - which for some reason is not written to the logs or anything, but I can see it on the popup when I hightlight the text…
http://www.googlecodehosting.net/openx/js/zone_functions.js?cp=620
But that scans clean at totalvirus too.
https://www.virustotal.com/en/url/2b108d92abd38dc7f19f7c359f66a919ffa6992613eccdc3e9ec52bde43840ad/analysis/1371310357/