Stuff

<script type="text/javascript">

                        function switchTab(tab)
                        {
                          switch(tab)
                          {
                            case 1:
                              document.getElementById("descriptionTab").style.display = "block";
                              document.getElementById("overviewTab").style.display = "none";
                              break;

                            case 2:
                              document.getElementById("descriptionTab").style.display = "none";
                              document.getElementById("overvdiewTab").style.display = "block";
                              break;
                          }
                        }


                      </script>


<div class="tabModule" id="overviewTab" style="BACKGROUND: red" onclick="switchTab(2)">