<script language="javascript" type="text/javascript" src="simple.js"></script>
<script language="javascript" type="text/javascript" src="simpleacco.js"></script>
<script>$AccoInit('mydiv0;mydiv1;mydiv2;'); //your list of div </script>
<a href="#" onclick="$accopush(0); return false">click
here</a>
<div id="mydiv0" style="width: 800px;">texte</div>
<a href="#" onclick="$accopush(1); return false">click
here</a>
<div id="mydiv1" style="display:none; width: 800px;">texte</div>
<a href="#" onclick="$accopush(2,true); return false">click
here</a>
<div id="mydiv2" style="display:none; width: 800px;">texte</div>