function zobraz(cislo) {

		 var obj_o1 = document.getElementById("obsah"+cislo);
		 var obj_n1 = document.getElementById("nadpis"+cislo);



			(obj_o1.className == "block") ? obj_o1.className = "skryty" : obj_o1.className = "block";
			(obj_n1.className == "bold") ? obj_n1.className = "normal" : obj_n1.className = "bold";



	}




		function aktualizace() 

		        {
			alert('!!! English version under reconstruction !!!');
		        }