jus type
Code:
 before the line
and
after the line
not every line

for eg I wanna quote
"how to quote"
then i'll do it like

Code:
how to quote
here in this post I've disable code tags

if u find this difficult
then jus select the text and there is a "code" button
in the reply form
the selected text will b coded

u'll understand it when u do it