function zobraz() {

		 var obj_o1 = document.getElementById("obsah1");
		 var obj_n1 = document.getElementById("nadpis1");



			(obj_o1.className == "block") ? obj_o1.className = "skryty" : obj_o1.className = "block";
			(obj_n1.className == "box boxH") ? obj_n1.className = "box" : obj_n1.className = "box boxH";



	}

	function zobraz2() {

		 var obj_o2 = document.getElementById("obsah2");
		 var obj_n2 = document.getElementById("nadpis2");


			(obj_o2.className == "block") ? obj_o2.className = "skryty" : obj_o2.className = "block";
			(obj_n2.className == "box boxH") ? obj_n2.className = "box" : obj_n2.className = "box boxH";



	}
	function zobraz3() {

		 var obj_o3 = document.getElementById("obsah3");
		 var obj_n3 = document.getElementById("nadpis3");


			(obj_o3.className == "block") ? obj_o3.className = "skryty" : obj_o3.className = "block";
			(obj_n3.className == "box boxH") ? obj_n3.className = "box" : obj_n3.className = "box boxH";



	}


		function aktualizace() 

		        {
			alert('!!! Tato stránka není momentálně k dispozici !!!');
		        }