var defile;
var psinit = 300;
var pscrnt = psinit;       
function texteDefile()
{
   if (!defile) defile = document.getElementById('defile');
   if (defile)
   {
		if(pscrnt < ( - defile.offsetWidth) )
		{
			pscrnt = psinit;
		}
		else
		{
			pscrnt+= -1;
		}
      defile.style.left = pscrnt+"px";
   }
}
setInterval("texteDefile()",20);

function bloc_spoiler_slider(block, id, nb_items)
{
	var MonElement = id;
	var MonBlock = block;
	for (var i=1; i <= nb_items; i++)
	{
		if (MonElement != i)
		{
			var AutreElement = document.getElementById(block + i);
			AutreElement.style.display = "none";
		}
	}
	var MonElement2 = document.getElementById(block + id);
	if (MonElement2.style.display == "none")
	{
		MonElement2.style.display  = "block";
	}
	else
	{
		MonElement2.style.display = "none";
	}
}

function changer(sens)
	{
			actu = (sens == 1) ? actu+1 : actu-1;
			
			if (actu > total)
			{
				actu = 1;
			}
			if (actu == 0)
			{
				actu = total;
			}
		
			bloc_spoiler_slider("slider", actu, total);

	}