function panel(panel_id){
	var x;
	x = document.getElementById('panel'+panel_id);
	if (x.style.display == "block") {
		x.style.display = "none";
	}
	else {
		x.style.display = "block";
	}
}

function bloque(panel_id){
	var x;
	x = document.getElementById('bloque'+panel_id);
	if (x.style.display == "block") {
		x.style.display = "none";
	}
	else {
		x.style.display = "block";
	}
}


function panel_carpeta(panel_id){
	var x;
	x = document.getElementById('panel'+panel_id);
	y = document.getElementById('img_carpeta_'+panel_id);
	if (x.style.display == "block") {
		x.style.display = "none";
		y.src='img/ico_carpeta_0.gif';
	}
	else {
		x.style.display = "block";
		y.src='img/ico_carpeta_1.gif';
	}
}