function switchToTable(name)
{
  if (ActiveTable == name) return;

  var obj = document.getElementById(name);
  
  if (!obj) return;
  
  hideTable(document.getElementById(ActiveTable));
  var tab = document.getElementById(ActiveTable + "-tab");
  if (tab)
    tab.className = "inactive";

  showTable(obj);
  ActiveTable = name;
  var tab = document.getElementById(ActiveTable + "-tab");
  if (tab)
    tab.className = "active";
}

function hideTable(obj)
{
  obj.style.display='none';
}

function showTable(obj)
{
  obj.style.display='';

}