Thanks for that, Peter!
However, you felt into a trap with the encoding of URLs for hyperlinks which stems from a serious bug InDesign CS6 and persists in InDesign CC.
See here for details:
http://forums.adobe.com/message/4463255#4463255
One example would be the link on p98 of "scriptui-2-1.pdf":
Your intention:
http://forums.scriptui.com/index.php?a=vtopic&t=118
What InDesign CC made out of it (InDesign CS6 would do the same):
http://forums.scriptui.com/index.php%3Fa%3Dvtopic%26t%3D118
It's not Export to PDF, that gets this all wrong. It's InDesign's Hyperlink Panel!
I did not check the other links, but could be, that there are a few foul ones around…
Uwe