Ok, thanks. I have downloaded the cdr library files. How should I use them? I tried to find information regarding the usage but to no avail.Yes, I drew these diagrams with help of Paint
http://forum.allaboutcircuits.com/showthread.php?p=335917#post335917
First I attach the picture next I use "Attachments" (paperclip)
View attachment 28481
Or Right-Click "Copy Image Location" and "Insert image"