// Variablen und Arrays

arrMenuePunkte = new Array("benvenuto", "attuale", "viaggi", "metodo", "corsi", "servizi", "home");
  
  for (var i=0; i < arrMenuePunkte.length; ++i) {
    preload(arrMenuePunkte[i]);
  }
  
  timer = false;
   
  function showSubMenue(firstLevel){
  
    arrMenuePunkte = new Array("benvenuto", "attuale", "viaggi", "metodo", "corsi", "servizi");  
    for (var i=0; i < arrMenuePunkte.length; ++i) {
  	  id="Div_" + arrMenuePunkte[i];
	  	if (document.images && document[ arrMenuePunkte[i] ].src.search("_down") == -1) {
	    	if (ns4 && document.layers[id]) document.layers[id].visibility = "hide";
	    	if (ns6 && document.getElementById(id)) document.getElementById(id).style.visibility = "hidden";
	    	if (ie4 && document.all[id]) document.all[id].style.visibility = "hidden";	  
	  	}
		}
	
		id="Div_" + firstLevel;
		if (ns4 && document.layers[id]) document.layers[id].visibility = "show"
		if (ns6 && document.getElementById(id)) document.getElementById(id).style.visibility = "visible"
		if (ie4 && document.all[id]) document.all[id].style.visibility = "visible"

		if(timer) clearTimeout(timer);
		timer= setTimeout('showSubMenue()', 5000);
  }