function changeNews(ID, nbrNews){
	for(i=1;i<=nbrNews;i++){
		if(i == ID){
			document.getElementById("big_news"+i).style.display = "block";
			document.getElementById("newsI"+i).style.backgroundColor = "#404040";
		}
		else {
			document.getElementById("big_news"+i).style.display = "none";
			document.getElementById("newsI"+i).style.backgroundColor = "#fff";
		}
	}
	fondu(0,ID);
}

function fondu(opacity,ID2){
	opacity = opacity+20;
	var item = document.getElementById("big_news"+ID2).style;
	item.opacity = (opacity/100);
	item.filter = "alpha(opacity="+opacity+")"; 
	
	if(opacity < 100){
		setTimeout("fondu("+opacity+","+ID2+")", 50);
	}
}