var tabsDivId         = "product-tabs";
var tabNamesParentId  = "tabset_tabs";
var tabsDiv           = null;
var tabNamesParent    = null;

function initTabs()
{
  //AddStyleSheet('css/tabtastic.css',0);
  tabsDiv         = document.getElementById(tabsDivId);
  tabNamesParent  = document.getElementById(tabNamesParentId);
}

AttachEvent(window, 'load', initTabs, false);

function showTab(id)
{
  var tab_names = tabNamesParent.getElementsByTagName("a");
  for (var j=0;j<tab_names.length;j++)
  {
    tab_names[j].className = "";
  }
  var activeTab = document.getElementById("tab_name_"+id);
  activeTab.className = "active";
  
  // make the content active
  var divs = tabsDiv.getElementsByTagName("div");
  for(var k=0;k<divs.length;k++)
  {
    var div = divs[k];
    if(div.id && div.id.substring(0,3)=="tab")
    {
      div.className = "tabset_content";
      if(div.id == "tab_"+id)
      {
        div.className = "tabset_content_active";
      }
    }
  }
  
}