function show(puce,pos)
{
	if ((pos==0))
	{
		if (puce==1)
		{
			document.getElementById(puce).style.visibility="visible";
			document.getElementById(0).style.visibility="hidden";
		}
		else
			if (puce==0)
		{
			document.getElementById(puce).style.visibility="visible";
			document.getElementById(1).style.visibility="hidden";
		}
	}
	else
		if ((pos==7)||(pos==8))
	{
		if (puce==0)
		{
			document.getElementById(puce).style.visibility="visible";
			document.getElementById(1).style.visibility="hidden";
		}
		else
			if (puce==1)
		{
			document.getElementById(puce).style.visibility="visible";
			document.getElementById(0).style.visibility="hidden";
		}
	}
else
	{
			document.getElementById(puce).style.visibility="visible";
	}

	if (puce==2)
	{
		document.getElementById(puce).style.visibility="visible";
		document.getElementById(0).style.visibility="hidden";
		document.getElementById(1).style.visibility="hidden";

	}



}
function hide(puce,pos)
{
if ((pos==0))
{
	if ((puce==1))
	{
		document.getElementById(puce).style.visibility="hidden";
		document.getElementById(0).style.visibility="visible";
	}
	else
		if ((puce==0))
	{
		document.getElementById(puce).style.visibility="hidden";
		document.getElementById(0).style.visibility="visible";
	}
}
else
	if ((pos==7)||(pos==8))
	{
		if (puce==1)
		{
			document.getElementById(puce).style.visibility="visible";
			document.getElementById(0).style.visibility="hidden";
		}
		else
		if (puce==0)
		{
			document.getElementById(puce).style.visibility="hidden";
			document.getElementById(1).style.visibility="visible";
		}
	}

else
	{
			document.getElementById(puce).style.visibility="hidden";
	}

	if (puce==2)
	{
		document.getElementById(puce).style.visibility="hidden";
		if (pos==0){document.getElementById(0).style.visibility="visible";}
		else if((pos==7)||(pos==8)){document.getElementById(1).style.visibility="visible";}

	}
}