function cache_newsLanderneau(){
	document.getElementById('landerneau_0').style.display='none';
	document.getElementById('landerneau_1').style.display='none';
	document.getElementById('landerneau_2').style.display='none';
	document.getElementById('landerneau_3').style.display='none';
	document.getElementById('landerneau_4').style.display='none';
	document.getElementById('landerneau_5').style.display='none';
	document.getElementById('landerneau_6').style.display='none';
	document.getElementById('landerneau_7').style.display='none';
}

function newsLanderneau(nbNews){
	cache_newsLanderneau();
	document.getElementById('landerneau_'+nbNews).style.display='block';
}

var time_deroul;
var old_direction = '';
function scrollNews(direction){
	hauteur_window = document.getElementById('scrollnews_defil').offsetHeight;
	hauteur_window = 0-hauteur_window+190;
	if(old_direction != ''){
		if(old_direction != direction){
			stopScroll();
		}
	}
	tmp_top = document.getElementById('scrollnews_defil').style.top;
	tmp_top = tmp_top.substr(0, tmp_top.length-2);
	if(tmp_top != ''){
		tmp_top = parseInt(tmp_top);
	}else{
		tmp_top = 0;
	}
	
	if(direction == 'up'){
		if(tmp_top <= 0){
			tmp_top = tmp_top+2;
			//document.getElementById('img_scrollup').src = 'themes/Matooks/images/scrollup_over.gif';
			document.getElementById('scrollnews_defil').style.top = tmp_top+'px';
		}else{
			stopScroll();
		}
	}else{
		if(tmp_top >= hauteur_window){
			tmp_top = tmp_top-2;
			//document.getElementById('img_scrolldown').src = 'themes/Matooks/images/scrolldown_over.gif';
			document.getElementById('scrollnews_defil').style.top = tmp_top+'px';
		}else{
			stopScroll();
		}
	}
	time_deroul = setTimeout('scrollNews("'+direction+'")', 20);
}
function stopScroll(){
	//document.getElementById('img_scrolldown').src = 'themes/Matooks/images/scrolldown.gif';
	//document.getElementById('img_scrollup').src = 'themes/Matooks/images/scrollup.gif';
	clearTimeout(time_deroul);
}