function zmenInfo(a) {
		sh('vleky',false);
		sh('webkamery',false);
		sh('pocasi',false);
		sh(a.id.substr(1),true);
		return false;
	}
	
	function sh(name,show) {
		a = document.getElementById('a' + name) 
		if (a) a.className = (show) ? 'hi' : '';
		
		a = document.getElementById(name)  
		if (a) a.style.display = (show) ? 'block' : 'none';
	}


	function webcam(a) {
		return webcam(a,280,230);
	}
	
	function webcam(a,w,h) {
		window.open('/webcam.html?nazev='+escape(a.innerHTML)+'&cam='+escape(a.href),'_blank', 
			'width='+(w+2)+',height='+(h+1)+',scrollbars=no');
		return false;
	}
	
	function fs(name) {
		f = document.getElementById(name) 
		return f.submit();
	}