var stav=0;
// if (!document.getElementById && document.all) document.getElementById = document.all;


 function deka(vrstva) {
 
 vsrtva="zmizni" + vrstva;
 
 	if (stav=="0") {
	
 	document.getElementById(vsrtva).style.visibility = 'visible';
	document.getElementById(vsrtva).style.display = 'block';
	stav=1;
	}
	
	else {
	
 	document.getElementById(vsrtva).style.visibility = 'hidden';
	document.getElementById(vsrtva).style.display = 'none';
	stav=0;
	}
	
}

function openWizard() {
    //window.open('wizard2.php','wizard','width=400,height=300');
	otevriw();
}

function openWoknovys() {
    window.open('okenko_vysvetlivky.html','Vysvětlivky','width=400,height=300');
}