function noticia(pNro) {
	if (document.getElementById('btn' + pNro).style.backgroundPosition == '0px 0px') return;
	
	$('noticia' + noticiaResumen).fade('out');
	
	noticiaResumen = pNro;

	for (var a=1;a < 4;a++) {document.getElementById('btn' + a).style.backgroundPosition = '0px -15px';}
	document.getElementById('btn' + pNro).style.backgroundPosition = '0px 0px';
	
	$('noticia' + noticiaResumen).fade('in');

	return;

	function uno() {
		document.getElementById('noticiasResumen').innerHTML = noticiasResumen[pNro - 1];
		$('noticiasResumen').fade('in');
	}
	
	$('noticiasResumen').fade('out');
	for (var a=1;a < 4;a++) {document.getElementById('btn' + a).style.backgroundPosition = '0px -15px';}
	document.getElementById('btn' + pNro).style.backgroundPosition = '0px 0px';
	setTimeout(uno,500);
};