var bouge=0;
	function bouge_menu(){				
		if(bouge!=0){
			//alert(bouge);
			pos=parseInt(document.getElementById('logos_marques4').style.marginLeft)+bouge;
			max_pos=parseInt(document.getElementById('logos_marques4').style.width);
			if(pos>0){
				pos=0;
			}else if(pos<-max_pos+650){
				pos=-max_pos+650;	
			}
			
			document.getElementById('logos_marques4').style.marginLeft=pos+"px";
		}
		setTimeout("bouge_menu()",1);
	}
	function bouge_menu2(p){
		bouge=p;	
	}
	bouge_menu();