function defil_news() {
		var num_news = $('.news_active').attr('id').split('_');
		$('.news_active').removeClass('news_active');
		var nb_news = $('#news_index .liste_news').length;
		var num_news = num_news[1] == nb_news ? 1 : eval(num_news[1]) + 1;
		$('.liste_news').fadeOut();
		$('#news_'+num_news).fadeIn();
		$('#news_'+num_news).addClass('news_active');
		window.setTimeout('defil_news()',5000);
	}


$(document).ready(function(){
		window.setTimeout('defil_news()',2000);
});