Jquery single slide toggle

<script>
$(document).ready(function()
{
  $("#flip").click(function()
  {
    $("#panel").slideToggle("slow");
  });
});
</script>

<style>
#panel,#flip
{
padding:5px;
text-align:center;
background-color:#e5eecc;
border:solid 1px #c3c3c3;
}
#panel
{
padding:5px;
display:none;
}
</style>

<div class="flip" id="a" style="border:2px solid #CCC; width:348px;height:40px;border-radius:5px;">
<b>Add Buisness List</b>
</div>
<div class="panel" id="b" style="background-color:#CCC; border:2px solid #CCC; width:348px;height:110px; border-radius:5px;">

<ul><b>
<li><a href="company_list.php" >Make Approval</a></li>
<li><a href="#" onclick="showDiv('2')">Add option</a></li>
</b></ul>
</div>