var speed=10;
var rafr=10;
var taille_mini_fond=110;
if(document.getElementById)
{
	var elem=document.getElementById("div_contenu_carousel");
	var elem_cont=document.getElementById("cadre_div_carousel");
}
else
{
	var elem=document.all["div_contenu_carousel"];
	var elem_cont=document.all["cadre_div_carousel"];
}

function moveup()
{
	if(parseInt(elem.style.top) + speed > 0)
	{
		elem.style.top = "0px";
	}
	else
	{
		elem.style.top = (parseInt(elem.style.top) + speed) + "px";
		moveupvar=setTimeout("moveup()",rafr);
	}
}

function movedown()
{
	if(-parseInt(elem.style.top) < parseInt(elem.offsetHeight)-parseInt(elem_cont.offsetHeight))
	{
		elem.style.top = (parseInt(elem.style.top) - speed) + "px";
	}
	movedownvar=setTimeout("movedown()",rafr);
}

function moveup2(niveau)
{
	if(parseInt(elem.style.top) + speed > 0)
	{
		elem.style.top = "0px";
	}
	else
	{
		if(niveau<taille_mini_fond)
		{
			elem.style.top = (parseInt(elem.style.top) + speed) + "px";
			niveau=niveau+speed;
			moveupvar=setTimeout("moveup2("+niveau+")",rafr);
		}	
	}
}

function movedown2(niveau)
{
	if(niveau<taille_mini_fond)
	{
		if(-parseInt(elem.style.top) < parseInt(elem.offsetHeight)-parseInt(elem_cont.offsetHeight))
		{
			elem.style.top = (parseInt(elem.style.top) - speed) + "px";
		}
		niveau=niveau+speed;
		movedownvar=setTimeout("movedown2("+niveau+")",rafr);
	}
}

function defilement()
{
	elem.style.top=-(parseInt(elem.offsetHeight)-parseInt(elem_cont.offsetHeight))+"px";
	moveup();
}
setTimeout("defilement()",2400);