var vitesse = 10; //vitesse de fade
var temps = 80; //temps de fade
var frequence = 5000; //frequence du switch

var lastn = 1; //id derniere nouvelle
var newn = 0; //id nouvelle nouvelle
var newe,laste; //objets nouvelles

function switchNews(){
	clearTimeout();
	newn = (lastn<newscount) ? lastn+1 : 1;
	newe = document.getElementById('new'+newn);
	laste = document.getElementById('new'+lastn);
	
	newe.style.zIndex=3;
	newe.style.display="";
	laste.style.zIndex="";
	if(document.all){ //is IE
		laste.style.filter="alpha(opacity=100)";
		newe.style.filter="alpha(opacity=0)";
	}else{ //Autres browsers
		laste.style.opacity=1;
		newe.style.opacity=0;
	}
	moveNews();
}
function moveNews(){
	if(document.all){ //is IE
		newe.style.filter = "alpha(opacity="+(stripFilter(newe.style.filter)+vitesse)+")";
		laste.style.filter = "alpha(opacity="+(stripFilter(laste.style.filter)-vitesse)+")";
		continuesw = (stripFilter(laste.style.filter) > 0) ? true : false;
	}else{ //Autres browsers
		newe.style.opacity = parseFloat(newe.style.opacity)+(vitesse*0.01);
		laste.style.opacity = parseFloat(laste.style.opacity)-(vitesse*0.01);
		continuesw = (parseFloat(laste.style.opacity) > 0) ? true : false;
	}

	if (continuesw){ //On continue le switch?
		setTimeout("moveNews();", temps);
	}else{
		laste.style.display="none";
		lastn=newn;
		setTimeout("switchNews();", frequence);
	}
}
function stripFilter(str){ //enleve le filtre pour garder juste sa valeur
	str=str.replace("alpha(opacity=","");
	str=str.replace(")","");
	return parseInt(str);
}
setTimeout("switchNews();", frequence);