<!--
function objectAdress(obj) {
	if (document.all) 
		objname = document.all[obj]; // tylko dla IE 4
	else if (document.getElementById)        
		objname = document.getElementById(obj); // Mozilla, Opera, IE5+ 
	return objname;	
}

function pokazL(id) {
	button = objectAdress('leftbutton_'+id);
	button.className = 'leftbutton_on';
	sub = objectAdress('leftsubmenu_'+id);
	if (sub) sub.style.visibility = 'visible';	
}

function ukryjL(id) {
	button = objectAdress('leftbutton_'+id);
	button.className = 'leftbutton_of';
	sub = objectAdress('leftsubmenu_'+id);
	if (sub) sub.style.visibility = 'hidden';		
}

function pokazT(id) {
	button = objectAdress('topbutton_'+id);
	button.className = 'topbutton_on';
	sub = objectAdress('topsubmenu_'+id);
	if (sub) sub.style.visibility = 'visible';	
}

function ukryjT(id) {
	button = objectAdress('topbutton_'+id);
	button.className = 'topbutton_of';
	sub = objectAdress('topsubmenu_'+id);
	if (sub) sub.style.visibility = 'hidden';		
}
//-->