function changeSection(key) {
	

	var sections = jQuery('.seccion');
	
	for (var i = 0; i < sections.length; i ++) {
	
		sections[i].setAttribute("class", "seccion");

		sections[i].setAttribute("className", "seccion");
	
	}
	
	
	sections[(key-1)].setAttribute("class", "seccion activa");

	sections[(key-1)].setAttribute("className", "seccion activa");
	
	
	var links = jQuery('.link');
	
	
	for (var i = 0; i < links.length; i ++) {
	
		links[i].setAttribute("class", "link");

		links[i].setAttribute("className", "link");
	
	}
	
	links[(key-1)].setAttribute("class", "link activa");

	links[(key-1)].setAttribute("className", "link activa");
	
	
	var links = jQuery('.nombre');
	
	
	for (var i = 0; i < links.length; i ++) {
	
		links[i].setAttribute("class", "nombre");

		links[i].setAttribute("className", "nombre");
	
	}
	
	links[(key-1)].setAttribute("class", "nombre activa");

	links[(key-1)].setAttribute("className", "nombre activa");
	
}

function changeSection_ayuda(key) {

	
	var sections = jQuery('.ayuda');
	
	for (var i = 0; i < sections.length; i ++) {
	
		sections[i].setAttribute("class", "ayuda");

		sections[i].setAttribute("className", "ayuda");
	
	}
	sections[(key)].setAttribute("class", "ayuda activa");

	sections[(key)].setAttribute("className", "ayuda activa");
	
	
	
}

function hideSection_ayuda(key) {

	var sections = jQuery('.ayuda');
	
	for (var i = 0; i < sections.length; i ++) {
	
		sections[i].setAttribute("class", "ayuda");

		sections[i].setAttribute("className", "ayuda");
	
	}
	sections[(key)].setAttribute("class", "ayuda");

	sections[(key)].setAttribute("className", "ayuda");
	
	
	
}