Sir, emoticons can either be typed in manually by the code that represents each, or by the smiley list to the right of the editing window. If that list may have disappeared, go to your User Control Panel -> Edit Options, and scoll to the bottom of the page, under Miscellaneous Options is the Message Editor selection, make sure this is set to "Standard Editor - Extra Formatting Controls".
To type in each manually, try these:
Code:
:)
:rolleyes:
:cool:
:munchin:
:p
:lifter
;)
:boohoo
:D
:confused:
:o
:eek:
:(
:mad: