Copy and Paste... **Left Click and hold down your mouse..
**Run it Over what-ever it is you wish to hightlight..it will turn blue..
**Right click your mouse.. and choose Copy...
** Put your curser where-ever you would like your copied material..
**and Click on The Clip Board ( next to the Paragraph on your reply box on your toolbar)... it will be copied into your post.
You can also..
****Hightlight >>Whatever you want copied...
****Press shift key + C to Copy...
*** Press shift key + V to Paste
This is easier