Code to scroll up and down when the mouse is placed_javascript skills

<ul name="Out1" id="Out1" style="overflow:hidden;height:100px;"> <li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx<li> </li>xx</ul> <span> <img src="images/bottom.gif" onmouseover="scroll(-1)" onmouseout="scroll(0)" nmousedown="scroll(-2)" style="max-width:90%" height:="10" alt="Code to scroll up and down when the mouse is placed_javascript skills" ></span><span> <img src="images/top.gif" onmouseover="scroll(1)" onmouseout="scroll(0)" onmousedown="scroll(2)" style="max-width:90%" height:="10" alt="Code to scroll up and down when the mouse is placed_javascript skills" ></span>
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