I think my missus might complain. LOl :-)
1.
When you are typing your reply, if you look below the submit message box you will see the Make a link(blue clicky") link. Click on it.
2.
Anothet window will appear.
to the right of where it says Link URL, click once and then type the website address e.g. http://www.hergafolk.org and then click on the grey box that says Create Link. Incidentally it is very important to type the http:// bit in before www.xxxxxxxxx.xxx otherwise you will not create the correct link.
3.
Another window will appear. Where it says test this link, you can click on it to see if it takes you to the correct website. If it does close that website window.
4.
You should come back to the window with the link in.
Select all the text that looks like this
http://www.hergafolk.org
and then click on the Edit menu and then click on copy.
You can now close that window.
5.
You will now be returned to the Reply to Thread message box.
Click back in to the message and then click on the Edit menu and then click on paste.

You can then click on submit message.

Do a test trial on this thread and see if you can do it.