but_1on= new Image; 
	but_1on.src = "img/but_home_on.jpg";
	but_1off= new Image; 
	but_1off.src = "img/but_home.jpg";

	but_2on= new Image; 
	but_2on.src = "img/but_ilservizio_on.jpg";
	but_2off= new Image; 
	but_2off.src = "img/but_ilservizio.jpg";

	but_3on= new Image; 
	but_3on.src = "img/but_costi_on.jpg";
	but_3off= new Image; 
	but_3off.src = "img/but_costi.jpg";

	but_4on= new Image; 
	but_4on.src = "img/but_personalizzazioni_on.jpg";
	but_4off= new Image; 
	but_4off.src = "img/but_personalizzazioni.jpg";

	but_5on= new Image; 
	but_5on.src = "img/but_configurazione_on.jpg";
	but_5off= new Image; 
	but_5off.src = "img/but_configurazione.jpg";

	but_6on= new Image; 
	but_6on.src = "img/but_azienda_on.jpg";
	but_6off= new Image; 
	but_6off.src = "img/but_azienda.jpg";

	function attivo(bottone)
	{
		var aaa;
		aaa=bottone.split("bottone");
		bbb="but_"+aaa[1]+"on";
		eval(bottone).src=eval(bbb).src;
	}
	function passivo(bottone)
	{
		var aaa;
		aaa=bottone.split("bottone");
		bbb="but_"+aaa[1]+"off";
		eval(bottone).src=eval(bbb).src;
	}