function teachFlash(parent_obj){
  var current_site_url = get_site_url()+"/";
  var text_2_write = 
    '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"' +
            'codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" '+
            'width="160" height="164" id="teefa_moving" align="middle">'+
    '<param name="allowScriptAccess" value="sameDomain" />'+
    '<param name="movie" value="'+current_site_url+'swfs/enter_teefa.swf" />'+
    '<param name="quality" value="high" />'+
    '<param name="wmode" value="transparent" />'+
    '<param name="loop" value="false" />'+
    '<embed src="'+current_site_url+'swfs/enter_teefa.swf" quality="high" wmode="transparent" width="160" height="164" '+
           'name="teefa_moving" align="middle" allowScriptAccess="sameDomain" '+
           'type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer">'+
    '</embed>'+
    '</object>';

  if (document.getElementById('teefa')) {
    setTimeout("document.getElementById('teefa').style.zIndex='5'", 1500);
  } else if (document.getElementById(parent_obj)) {
    setTimeout("document.getElementById('"+parent_obj+"').style.zIndex='3'", 1800);
  }
  
  document.write(text_2_write);
}