var posScroll = 0;

function initSrollActu(){
	document.getElementById('scrollActu').scrollLeft=0;
	setTimeout('startScrollActu()',5000);		
	}

function startScrollActu(){
	posScroll += 20;
	document.getElementById('scrollActu').scrollLeft = posScroll;
	if(posScroll % 700){
		if(posScroll>document.getElementById('scrollActu').scrollLeft){
			posScroll = 0;
			scrollTimer = setTimeout("startScrollActu()",0);	
			}else{
			scrollTimer = setTimeout("startScrollActu()",50);	
			}
		}else{
		setTimeout("startScrollActu()",5000);
		}
	}