Imagemaps 
            With 
          OnMouseOver/onMouseOut 
                & 
             Tooltips 
 
 
 
<img src="url" usemap="#map"> 
<map name="map"> 
<area shape=rect coords"00,00 00,00" href="url" alt="tooltip" onMouseOver="window.status='Text Goes Here'; return true" onMouseOut="window.status='Page Title'; return true"> 
</map> 
 
Add many as you want. 
Note replace zero's with real coords.