Are you still using a proxy Peter Withe? If, as I suspect, this is the case, then you will not see the posting tools in the reply window due to various features such as scripting being switched off.
So you have to do manually with it bbcode.
You can do this as follows, ignoring the back slashes.
Type \[quote\] then the stuff you want quoted and then \[/quote]
There is a page for BBCode help under Help | Posting Basics
