Ffs I Hate You Html! !!! !! !

Ok, so I am trying to do a mouseover effect but for some reason its just not working.

here is my current code:
<A HREF="http://gamewolf.net/forum"><img src="images/forums.png" onmouseover="src'=images/forumsmouse.png'" onmouseout="src='images/forums.png"></A>


nvm got it thanks any way =)