function startTour()
{
  var sURL;
  var bRet;
  var lWidth;
  var sSz;
  
  bRet = true;
  sSz = "s8";
  
  if (screen)
  {
    lWidth = screen.width
    if (lWidth > 1000)
    {
      sSz = "s10";
    }
    if (lWidth > 1200)
    {
      sSz = "s12";
    }
  }
  
  if (window.location)
  {
    window.location = "tour/index.asp?md=2&sz=" + sSz;
    bRet = false;
  }
  
  return bRet;
}