//*********************************************************
// SELECIONA E MOSTRA A ABA DESEJADA
//*********************************************************
function selectTab(divTabId, cellTabId){
	var de = null;
	var ce = null;
	for (var i=1; de = document.getElementById('divTab'+i); i++){
		de.style.display = "none";
		ce = document.getElementById('cellTab'+i);
		ce.className = "tab_off";
	}
	de = document.getElementById(divTabId);
	de.style.display = "block";
	ce = document.getElementById(cellTabId);
	ce.className = "tab_on";
}

//*********************************************************
// MOSTRA/ESCONDE DETALHES DE CADA DISCIPLINA
//*********************************************************
function mostraEsconde(id){
	var oElemento = null;
	var setaFrente = null;
	var setaBaixo = null;
	oElemento = document.getElementById(id);
	setaFrente = document.getElementById('F'+id);
	setaBaixo = document.getElementById('B'+id);
	if (oElemento.style.display == "none"){
		oElemento.style.display = "";
		setaBaixo.style.display = "";
		setaFrente.style.display = "none"
	}else{
		oElemento.style.display = "none";
		setaFrente.style.display = "";
		setaBaixo.style.display = "none";
	}								
}

//*********************************************************
// MOSTRA/ESCONDE ELEMENTO
//*********************************************************
function mostrarEsconder(id){
	var oElemento = null;
	oElemento = document.getElementById(id);
	if (oElemento.style.display == "none")
		oElemento.style.display = "";
	else
		oElemento.style.display = "none";
}