function changeonglet(onglet) {
		comp = (setTimeout("change('"+onglet+"')",0));
	};
	
	function change(id) {
		
		var lien = document.getElementById(id);
	
		if (lien.className == "off-ac") {
			lien.className = "on-ac";
		} 
		
		if (id == "actu1") {
			document.getElementById("actu2").className = "off-ac";
		}
		if (id == "actu2") {
			document.getElementById("actu1").className = "off-ac";
		}
		
		if (id == "actu1") {
			onglet = "actu2";
		} else {
			onglet = "actu1";
		}
		
		comp = (setTimeout("change('"+onglet+"')",5000));
		
	};
	
	function changeonglet2(onglet) {
		comp2 = (setTimeout("change2('"+onglet+"')",0));
	};
	
	function changebt_2(id) {
	
		var lien = document.getElementById(id);
		
		if (lien.className == "off-ac") {
			lien.className = "on-ac";
		} 
		
		if (id == "actu1") {
			document.getElementById("actu2").className = "off-ac";
		}
		if (id == "actu2") {
			document.getElementById("actu1").className = "off-ac";
		}
		
	};
	
	function loadback (id) {
			document.getElementById("menu").style.background = 'url(img/menu/'+id+'.jpg)';
	};
	
	function active(id) {
		document.getElementById(id).className = "active";
	};
	
	function desactive(id) {
		
		var menu = "actus";
		
		if (id!=menu) {
				document.getElementById(menu).className = "desactive";
		}
		
		menu = "presentation";
		if (id!=menu) {
				document.getElementById(menu).className = "desactive";
		}
		
		menu = "hotel-restaurant";
		if (id!=menu) {
				document.getElementById(menu).className = "desactive";
		}
		
		menu = "locations";
		if (id!=menu) {
				document.getElementById(menu).className = "desactive";
		}
		
		menu = "camping";
		if (id!=menu) {
				document.getElementById(menu).className = "desactive";
		}
		
		menu = "loisirs";
		if (id!=menu) {
				document.getElementById(menu).className = "desactive";
		}
		
		
		menu = "contributions";
		if (id!=menu) {
				document.getElementById(menu).className = "desactive";
		}
		
		menu = "acces";
		if (id!=menu) {
				document.getElementById(menu).className = "desactive";
		}
	}
	
	function envoieRequete(url,id) {
	 
	 var xhr_object = null;
	 var position = id;
	 if(window.XMLHttpRequest) xhr_object = new XMLHttpRequest();
	 else
	 if (window.ActiveXObject) xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
	
	 // On ouvre la requete vers la page désirée
	 xhr_object.open("GET", url, true);
	 xhr_object.onreadystatechange = function(){
	 if ( xhr_object.readyState == 4 )
	 {
	 // j'affiche dans la DIV spécifiées le contenu retourné par le fichier
	 document.getElementById(position).innerHTML = xhr_object.responseText;
	 }
	 }
	 // dans le cas du get
	 xhr_object.send(null);

	};

	function page_active (id) {
			loadback(id); 
			active(id);
			desactive(id);
		};
   
    function popup(ad,largeur,hauteur) {
	
		var haut=(screen.height-hauteur)/2;
		var Gauche=(screen.width-largeur)/2;
	
		var fenetre = window.open(ad,'actu','top='+haut+',left='+Gauche+',width='+largeur+',height='+hauteur+',scrollbars=yes, resizable=yes, menubar=no, directories=no, toolbar=no, location=no');
		fenetre.focus();
	};