not defined (Opgelost)

<script language="javascript" type="text/javascript">
function steraan()
  { 
  for(i=1;i<3;1++)
       { 
	        document.images[ster+i].src = ster.jpg;
       }
  }

function steruit()
  { 
  	for(i=1;i<3;1++)
       { 
	        document.images[ster+i].src = sterleeg.jpg;
       }
  }
  </script>
<img src="images/zijkant2.png"  width="10" height="20" />
<img src="images/starleeg.jpg" width="20" height="20" name="ster1" id="ster1" onmouseover="steraan('1')" onmouseout="steruit('1')"/>
<img id="ster2" src="images/starleeg.jpg" width="20" name="ster2" height="20" onmouseover="steraan('2')" onmouseout="steruit('2')"/>
<img src="images/starleeg.jpg" id="ster3"  width="20" name="3" height="20" onmouseover="steraan('3')" onmouseout="steruit('3')"/>
<img src="images/zijkant.png" width="10" height="20" />
<a href="sdf" onmouseover="steraan()" onmouseout="steruit()">df</a>

<script language="javascript" type="text/javascript">
function steraan()
  { 
  for(i=1;i<3;1++)
       { 
	        document.images[ster+i].src = ster.jpg;
       }
  }
 
function steruit()
  { 
  	for(i=1;i<3;1++)
       { 
	        document.images[ster+i].src = sterleeg.jpg;
       }
  }
  </script>
<img src="images/zijkant2.png"  width="10" height="20" />
<img src="images/starleeg.jpg" width="20" height="20" name="ster1" id="ster1" onmouseover="steraan('1')" onmouseout="steruit('1')"/>
<img id="ster2" src="images/starleeg.jpg" width="20" name="ster2" height="20" onmouseover="steraan('2')" onmouseout="steruit('2')"/>
<img src="images/starleeg.jpg" id="ster3"  width="20" name="3" height="20" onmouseover="steraan('3')" onmouseout="steruit('3')"/>
<img src="images/zijkant.png" width="10" height="20" />
<a href="sdf" onmouseover="steraan()" onmouseout="steruit()">df</a>