function MM_showHideIntroFrames() { //v9.0

  var i,p,v,obj,objmen,aobjmen,args=MM_showHideIntroFrames.arguments;
  for (i=1; i<8; i++) 
  with (document) if (getElementById && ((objmen=getElementById('menu_'+'intro_'+i))!=null) && ((aobjmen=getElementById('a_menu_'+'intro_'+i))!=null)) { 
  v=(args[0]=='intro_'+i)?'visible':'hide';
	
	if (objmen.style && aobjmen.style) { objmen=objmen.style; aobjmen=aobjmen.style;
	if (v=='visible') {objmen.background='url('+eimages+'images/indicador_tr.png) no-repeat right center';aobjmen.color='#ffffff'; }
    if (v=='hide') {aobjmen.color='#666666';objmen.background='none'; }
	}
	
	}
}