function bn_$(elem){
	return document.getElementById(elem);
}
function bn_toggle(firstElem){
	if(firstElem == "") firstElem = "bn_aes";
	bn_sa(firstElem);
	var bn_content = bn_$("bn_content");
	if(bn_content){
		var elems = document.getElementsByTagName("iframe");
		for(var i = 0; i<elems.length; i++){
			elems[i].style.visibility = elems[i].style.visibility == "hidden" ? "visible" : "hidden";
		}
		var elems = document.getElementsByTagName("object");
		for(var i = 0; i<elems.length; i++){
			elems[i].style.visibility = elems[i].style.visibility == "hidden" ? "visible" : "hidden";
		}
		bn_content.style.display = bn_content.style.display == "block" ? "none" : "block"; 
	}		
}
function bn_sa(area){
	var d_area = bn_$(area);
	var bn_ac = bn_$("bn_ac");
	if(d_area && bn_ac){
		bn_ac.innerHTML = d_area.innerHTML;
	} else {
		bn_ac.innerHTML = "";
	}
	//bn_$("bn_nomeArea").innerHTML = bn_$(area.replace("bn_", "bn_a_")).innerHTML;
}
function bn_close(){
	var bn_content = bn_$("bn_content");
	if(bn_content){
		var elems = document.getElementsByTagName("iframe");
		for(var i = 0; i<elems.length; i++){
			elems[i].style.visibility = "visible";
		}
		var elems = document.getElementsByTagName("object");
		for(var i = 0; i<elems.length; i++){
			elems[i].style.visibility = "visible";
		}
		bn_content.style.display = "none";
	}		
}
function bn_mnuPa(v){
	var pa = bn_$("bn_mnuPA");
	var lp = bn_$("bn_mnuLP");
	if(pa && lp){
		pa.style.display = v == 0 ? "block" : "none";
		lp.style.display = v == 1 ? "block" : "none";
	}
}