function chargement(path,image)
{
	imgObj=new Image();
	imgObj.src=path+image;
	return imgObj;
}

function affiche(nomHTML,nomJS)
{
	document.images[nomHTML].src=eval(nomJS+".src");
	return true;
}

function chargeToutes()
{
	menu1a=chargement("menu/","bouton1.jpg");
	menu1b=chargement("menu/","bouton1b.jpg");

	menu2a=chargement("menu/","bouton2.jpg");
	menu2b=chargement("menu/","bouton2b.jpg");

	menu3a=chargement("menu/","bouton3.jpg");
	menu3b=chargement("menu/","bouton3b.jpg");

	menu4a=chargement("menu/","bouton4.jpg");
	menu4b=chargement("menu/","bouton4b.jpg");
}