function mostraMenu(){
	document.getElementById('subMenuInterior').style.display = "block";
}

function escondeMenu(){
	document.getElementById('subMenuInterior').style.display = "none";
}

var guardaDiv = 'crescendo';
function mostradiv(nomeDiv){
	document.getElementById(guardaDiv).style.display = "none";
	document.getElementById(nomeDiv).style.display = "block";
	guardaDiv = nomeDiv;
	
	links = document.getElementById('setinhas').getElementsByTagName('li');
	for(i = 0; i < links.length; i ++){
		if(links[i].id == guardaDiv + 'Lista'){
			links[i].className = "setona";
		}
		else{
			links[i].className = "setinha";
		}
	}
}