function afficher_sous_menu(imgA,imgB)
{

	var img_ie1='document.all.'+ imgA +'.style.visibility=\'visible\'';
	var img_ie2='document.all.'+ imgB +'.style.visibility=\'visible\'';
	var img_ns1='document.layers.'+ imgA +'.visibility=\'visible\'';
	var img_ns2='document.layers.'+ imgB +'.visibility=\'visible\'';

	
	if (document.getElementById)
	{
		var layerObjA=document.getElementById(imgA);
		var layerObjB=document.getElementById(imgB);
    		layerObjA.style.visibility='visible';
		layerObjB.style.visibility='visible';
	}

	else if (document.all)
	{
		eval(img_ie1);
		eval(img_ie2);
	}

	else if (document.layers) 
	{
		eval(img_ns1);
		eval(img_ns2);
	}
}

//----------------------------------------------------

function effacer_sous_menu(imgA,imgB)
{
	var pic_ie1='document.all.'+ imgA +'.style.visibility=\'hidden\'';
	var pic_ie2='document.all.'+ imgB +'.style.visibility=\'hidden\'';
	var pic_ns1='document.layers.'+ imgA +'.visibility=\'hidden\'';
	var pic_ns2='document.layers.'+ imgB +'.visibility=\'hidden\'';

	if (document.getElementById)
	{
		var layerObjA=document.getElementById(imgA);
		var layerObjB=document.getElementById(imgB);
    		layerObjA.style.visibility='hidden';
		layerObjB.style.visibility='hidden';
	}

	else if (document.all)
	{
		eval(pic_ie1);
		eval(pic_ie2);
	}

	else if (document.layers) 
	{
		eval(pic_ns1);
		eval(pic_ns2);
	}
}

//-------------------------------------------------------

if (document.images) 
{
	var isMapOn = false;
	var isMenuOn = false;
	var CurrentMenuItem = 'img0';
	var PreviousMenuItem = 'img0';

	var img0i = new Image();
	img0i.src = "images/img_produit_0.gif";
	var img0a = new Image();
	img0a.src = "images/img_produit_0.gif'";

	var pro1i = new Image();
	pro1i.src = "images/bouton_luciole_of.gif";
	var pro1a = new Image();
	pro1a.src = "images/bouton_luciole_on.gif";

	var pro2i = new Image();
	pro2i.src = "images/bouton_tm16_of.gif";
	var pro2a = new Image();
	pro2a.src = "images/bouton_tm16_on.gif";

	var pro3i = new Image();
	pro3i.src = "images/bouton_convertisseurs_of.gif";
	var pro3a = new Image();
	pro3a.src = "images/bouton_convertisseurs_on.gif";

	var pro4i = new Image();
	pro4i.src = "images/bouton_demarreurs_of.gif";
	var pro4a = new Image();
	pro4a.src = "images/bouton_demarreurs_on.gif";

	var pro5i = new Image();
	pro5i.src = "images/bouton_fichestechn.gif";
	var pro5a = new Image();
	pro5a.src = "images/bouton_fichestechn_on.gif";

	var actui = new Image();
	actui.src = "images/bouton_actu_of.gif";
	var actua = new Image();
	actua.src = "images/bouton_actu_on.gif";
}

function on(imgName) 
{ 
	if (document.images)
	
	{
	isMenuOn = true;
	document[imgName].src = eval(imgName + 'a.src'); 
	}
}

function of(imgName)
{ 
	if (document.images)
	
	{ 
	isMenuOn = false;
	document[imgName].src = eval(imgName + 'i.src');
	}
}

// -------------------