function change_menu(id,id_titre){
	masque('sousmenu_actualite');
	masque('sousmenu_mairie');
	masque('sousmenu_decouvrir');
	masque('sousmenu_photos');
	masque('sousmenu_contact');
	masque('titre_actualite');
	masque('titre_mairie');
	masque('titre_decouvrir');
	masque('titre_photos');
	masque('titre_contact');
	
	
	var affiche = new Fx.Slide(id);
	affiche.slideIn();
	
	var affiche_titre = new Fx.Slide(id_titre);
	affiche_titre.show();
}

function masque(div){
	var sousmenu_select = new Fx.Slide(div);
	sousmenu_select.hide();
}
	
function sousmenu_effet(div){	
	$(div).addEvent('mouseover', function(e) {
		e.stop();
		$(div).fade(0.5);
		$(div).setStyle('background-color', '#CCC');
		});
		
	$(div).addEvent('mouseout', function(e) {
		e.stop();
		$(div).fade(1);
		$(div).setStyle('background-color', '');
		});
}


function chargement(lien,div_destination){
	var req = new Request.HTML({url:lien, 
		onSuccess: function(html) {
			//Clear the text currently inside the results div.
			$(div_destination).set('text', '');
			//Inject the new DOM elements into the results div.
			$(div_destination).adopt(html);
		},
		//Our request will most likely succeed, but just in case, we'll add an
		//onFailure method which will let the user know what happened.
		onFailure: function() {
			$(div_destination).set('text', 'Pb de chargement.');
		}
	});
	
	req.send();

	$(div_destination).fade(0.8);
}