<div id="divScroll">
  <img src="dol.png" alt="W dół" class="scrollimgs" 
       onmouseover="startScroll('down');"
       onmouseout="stopScroll();" />
  <img src="gora.png" alt="W górę" class="scrollimgs"
       onmouseover="startScroll('up');"
       onmouseout="stopScroll();" />
</div>
