contact_E=new Image ();
contact_R=new Image ();
contact_R.src="graphics_haut/contact_R.gif";
contact_E.src="graphics_haut/contact_E.gif";
bouton_accueil_E=new Image ();
bouton_accueil_R=new Image ();
bouton_accueil_R.src="graphics_haut/bouton_accueil_R.gif";
bouton_accueil_E.src="graphics_haut/bouton_accueil_E.gif";