function trocabanner(id)
{						
	clearTimeout(tm);
	var maximo = cont + 1;
	var proxid = id + 1;
	if (proxid == maximo) {proxid = 1;}		
	$('#banner-rotativo ul li').fadeOut('slow');
	$('#banner_'+id).fadeIn('slow');
	$('.link_banners a').removeClass('selected');
	$('.banner_'+id).addClass('selected');
	tm = setTimeout(function(){trocabanner(proxid)}, 4000);
}
tm = setTimeout(function(){trocabanner(2)}, 4000);
var cont = 0;
$(document).ready(function() {
	$('#banner-rotativo').find('li').each(function(){
		cont++;		
	});
});