// <html><script type="text/javascript"><!--

function activateTab(tab, idx, sheetId) {
  tab = document.getElementById(tab);
  var tabChilds = tab.getElementsByTagName("a");
  for (var i=0; i<tabChilds.length; ++i) {
    if (i==idx) {
      tabChilds[i].className="tab activeTab";
    } else {
//      alert(tabChilds[i]);
      tabChilds[i].className="tab";
    }
  }

  if (sheetId) {
    sheet = document.getElementById(sheetId);
    if (sheet) {
      var siblings = sheet.parentNode.getElementsByTagName("div");
      for (var i=0; i<siblings.length; ++i) {
        if (siblings[i].parentNode==sheet.parentNode) {
          if (siblings[i].id==sheetId) {
            siblings[i].style.display="";
          } else {
            //alert(siblings[i]);
            siblings[i].style.display="none";
          }
        }
      }


    }

  }
  return false;
}


