function rolloverAccueil(sens)
{
	if (sens == 1) document.getElementById("menuHome").style.backgroundPosition = "bottom";
	else document.getElementById("menuHome").style.backgroundPosition = "top";
}


function rolloverMenu(sens)
{
	if (sens == 1) 
	{
		document.getElementById("menuMenu").style.backgroundPosition = "bottom";
		afficheMenu(1);
	}
	else 
	{
		document.getElementById("menuMenu").style.backgroundPosition = "top";
		afficheMenu(0);
	}
}


function rolloverVille(sens)
{
	if (sens == 1) document.getElementById("menuVille").style.backgroundPosition = "bottom";
	else document.getElementById("menuVille").style.backgroundPosition = "top";
}

function afficheMenu(sens)
{
	if (sens == 1) document.getElementById("menuGeneral").style.display = "block";
	else document.getElementById("menuGeneral").style.display = "none";
}