var timer;
var hover = false;
function initActualites() {
	if ($("innerActualites")) {
		var zone = $("innerActualites");
		zone.addEvents({
			'mouseover':function(){ hover = true; },
			'mouseout':function(){ hover = false; }
		});
	}
	clearInterval (timer);
	timer = setInterval(deroulerActu, 20);
}

function deroulerActu() {
	if ($("innerActualites") && !hover) {
		var marge = $("innerActualites").style.marginTop.substring(0,$("innerActualites").style.marginTop.length-2);
		$("innerActualites").style.marginTop = (marge-1)+"px";
		var hauteur = 220;
		if($("innerActualites").offsetHeight && ($("innerActualites").offsetHeight!=hauteur))          		{hauteur=$("innerActualites").offsetHeight;}
		else if($("innerActualites").style.pixelHeight && ($("innerActualites").style.pixelHeight!=hauteur)){hauteur=$("innerActualites").style.pixelHeight;}
		if ((-marge) >= hauteur) {
			$("innerActualites").style.marginTop = "220px";
		}
	}	
}