menu_accueil = new Image();			menu_accueil.src =  "images/maccueil.jpg";
	menu_contacts = new Image();		menu_contacts.src = "images/contact.jpg";
	menu_partenaires = new Image();		menu_partenaires.src = "images/mpartenaires.jpg";
	menu_apropos = new Image();		    menu_apropos.src = "images/mapropos.jpg";
	menu_produits = new Image();		menu_produits.src = "images/msolutions.jpg";
	menu_references = new Image();		menu_references.src = "images/mreferences.jpg";
	menu_services = new Image();		menu_services.src = "images/mservices.jpg";
	menu_telechargement = new Image();			menu_telechargement.src = "images/mtelechargement.jpg";
	menu_metiers = new Image();			menu_metiers.src = "images/mmetiers.jpg";

	over_accueil = new Image();			over_accueil.src = "images/maccueil.jpg";
	over_contacts = new Image();		over_contacts.src = "images/contact.jpg";
	over_partenaires = new Image();		over_partenaires.src = "images/mpartenaires.jpg";
	over_apropos = new Image();		    over_apropos.src = "images/mapropos.jpg";
	over_produits = new Image();		over_produits.src = "images/msolutions.jpg";
	over_references = new Image();		over_references.src = "images/mreferences.jpg";
	over_services = new Image();		over_services.src = "images/mservices.jpg";
	over_telechargement = new Image();	over_telechargement.src ="images/mtelechargement.jpg";
	over_metiers = new Image();			over_metiers.src = "images/mmetiers.jpg";

	var nava = (document.layers);
	var dom = (document.getElementById);
	var iex = (document.all);
	var menuActif = "";
	var idTimeOut = "";

	function img_act(imgName)
	{
		if (dom) { d = eval("document.getElementById('"+imgName+"')");}
		else if (nava) {d = eval("document.ids." + imgName);}
		else if (iex) {d = eval("document.all." + imgName);}
		else { d = eval("document.getElementById('"+imgName+"')");}
		d.src = eval("over_" + imgName + ".src");
		if ( menuActif != "" ) {
			popDownMenu(menuActif);
		}
	}
	
	function img_inact(imgName)
	{
		if (dom) { d = eval("document.getElementById('"+imgName+"')");}
		else if (nava) {d = eval("document.ids." + imgName);}
		else if (iex) {d = eval("document.all." + imgName);}
		else { d = eval("document.getElementById('"+imgName+"')");}
		d.src = eval("menu_" + imgName + ".src");
		if ( menuActif != "" ) {
			popDownMenu(menuActif);
		}
	}

	function kill()
	{
		menuActif = "";
		for( i=1; i <= 3; i++) {
			if (dom) { d = eval("document.getElementById('menu"+i+"')");}
			else if (nava) {d = eval("document.ids.menu" + i);}
			else if (iex) {d = eval("document.all.menu" + i);}
			else { d = eval("document.getElementById('menu"+i+"')");}
			// On ferme le sous menu
			if (dom) {d.style.visibility = "hidden";}
			else {d.style.visibility = "hide";}
		}
	}

	function popDownMenu(n)
	{
		clearTimeout(idTimeOut);

		// traitement différents suivant les navigateurs
		if (dom) { d = eval("document.getElementById('"+n+"')");}
		else if (nava) {d = eval("document.ids."+n);}
		else if (iex) {d = eval("document.all."+n);}
		// On ouvre le sous menu
		if (dom) {d.style.visibility = "hidden";}
		else {d.style.visibility = "hide";}
	}

	function killMenu(n)
	{
		if ( menuActif == n )
		{
			idTimeOut = setTimeout("popDownMenu('"+n+"')",500);
		}
	}

	function swapMenu(n)
	{
		if ( menuActif == n ) {
			clearTimeout(idTimeOut);
			idTimeOut = "";
		} else {
			kill();
			menuActif = n;
		}

	// traitement différents suivant les navigateurs
		if (dom) { d = eval("document.getElementById('"+n+"')");}
		else if (nava) {d = eval("document.ids."+n);}
		else if (iex) {d = eval("document.all."+n);}
		// On ouvre le sous menu
		if (dom) {d.style.visibility = "visible";}
		else {d.style.visibility = "visible";}
	}