function tabTransferData(_htmlText)
{
   document.getElementById(tabPageID).innerHTML = _htmlText;
}

var tabActiveTab = InitialID;
var firstTabPage = "";
function switchTab(id, destPage, loadInMain)
{
   var activeTabObj = document.getElementById("tabTab" + tabActiveTab);
   var nextTabObj = document.getElementById("tabTab" + id);
   if (!activeTabObj || !nextTabObj)
      return;
   activeTabObj.className = "";
   nextTabObj.className = "tabActiveTab";

   if (tabActiveTab == InitialID && firstTabPage == "")
      firstTabPage = document.getElementById(tabPageID).innerHTML;

   if (id == InitialID && firstTabPage == "" && loadInMain == false)
   {
      document.getElementById(tabPageID).innerHTML = firstTabPage;
   }
   else
   {
      var timeStamp = new Date(); //dämlicher IE-Cache
      timeStamp*=1;
      
      destPage += (destPage.indexOf("?") == -1 ? "?" : "&") + "tab_initialID=" + id;      
      
      if(loadInMain)
      {
         window.location.href = destPage;
         return;
      }
      
      if (!destPage)
      {
         window.location.href = window.location.href;
         return;
      }

      destPage += "&" + "tab_cachets=" + timeStamp;
      document.getElementById(tabPageID).innerHTML = "";
      document.getElementById("tabLoadIframe").src = destPage;
   }
   tabActiveTab = id;
}