function valid_chant(form){
	var erreur = 0;
	var couleur = "#be002d";
	var couleur2 = "#fff";
	
	if(form.nom.value==""){
		erreur = 1;
		form.nom.style.background=couleur;
		}
	else{form.nom.style.background=couleur2;}	
	
	if(form.prenom.value==""){
		erreur = 1;
		form.prenom.style.background=couleur;
		}	
	else{form.prenom.style.background=couleur2;}
	
	if(form.adresse.value==""){
		erreur = 1;
		form.adresse.style.background=couleur;
		}
	else{form.adresse.style.background=couleur2;}
	
	if(form.cp.value==""){
		erreur = 1;
		form.cp.style.background=couleur;
		}	
	else{form.cp.style.background=couleur2;}
	
	if(form.ville.value==""){
		erreur = 1;
		form.ville.style.background=couleur;
		}	
	else{form.ville.style.background=couleur2;}
	
	if(form.tel.value==""){
		erreur = 1;
		form.tel.style.background=couleur;
		}	
	else{form.tel.style.background=couleur2;}
	
	if(form.email.value==""){
		erreur = 1;
		form.email.style.background=couleur;
		}	
	else{form.email.style.background=couleur2;}
	
	if(form.pass.value==""){
		erreur = 1;
		form.pass.style.background=couleur;
		}
	else{form.pass.style.background=couleur2;}
	
	if(form.pass2.value==""){
		erreur = 1;
		form.pass2.style.background=couleur;
		}
	else{form.pass2.style.background=couleur2;}
		
	// vérifier si adresse mail 1 = adresse mail 2

	/* if(form.id_mail.value!=form.id_confirm_mail.value){
		erreur = 1;
		document.getElementById('message_mail').style.display='block';
		} */

	/*switch(form.langue.value){
		case 'fr':var alerte="alert fr";break;
		case 'en':var alerte="alert en";break;
		case 'de':var alerte="alert de";break;
		case 'es':var alerte="alert es";break;
		case 'it':var alerte="alert it";
		}*/
	if (erreur==1)$.prompt(alerte);//toggle('alerte');
	else form.submit();	
}





function creerRequete() {

    try {

        requete = new XMLHttpRequest(); }

    catch (microsoft) {

       try {

       		requete = new ActiveXObject('Msxml2.XMLHTTP'); }

        catch(autremicrosoft) {

            try {

                requete = new ActiveXObject('Microsoft.XMLHTTP'); }

            catch(echec) {

                 requete = null; }

       			 }

			}

    	if(requete == null) {

        	alert('Impossible de créer l\'objet requête,\nVotre navigateur ne semble pas supporter les object XMLHttpRequest.'); }

	}

	

function change_class(classe,cible){

	target = document.getElementById(cible);

	target.className=classe;

	}

	

function affiche(type,id,cible,nb,article){

	for(i=1;i<=nb;i++){

		change_class('listeTypes_off','liste_annu'+i);

		}

	change_class('listeTypes_on',cible);

	creerRequete();

	var url = 'xprod/php/'+type+'.php?id='+id+'&cible='+cible+'&nb='+nb;

	requete.open('GET', url, true);

	requete.onreadystatechange = function() {

		if(requete.readyState == 4) {

        	if(requete.status == 200) {

				var reponse = requete.responseText;

				var div='annu_infos';

				target = document.getElementById(div);

    			target.innerHTML = reponse;

                }

            }

		};

    requete.send(null);

	}

	

function moteur_annuaire(form,article){

	creerRequete();

	var url = 'xprod/php/liste2.php?recherche='+form+'&article='+article;

	requete.open('GET', url, true);

	requete.onreadystatechange = function() {

		if(requete.readyState == 4) {

        	if(requete.status == 200) {

				var reponse = requete.responseText;

				var div='annu_infos';

				target = document.getElementById(div);

    			target.innerHTML = reponse;

                }

            }

		};

    requete.send(null);

	}
	
	
	
// conteneur de l'image zoomée
document.write('<div id="div_zoom_image" style="position:absolute; visibility:hidden; left:-286px; top:0px; z-index:1000;">');
document.write('<img id="img_zoom_image" src="" style="position:absolute; left:5px; top:5px; z-index:2000;" />');
document.write('</div>');

// affiche l'image au niveau du curseur
function overImage(imgUrl) {
	document.getElementById("div_zoom_image").style.visibility = "visible";
	document.getElementById("img_zoom_image").src = imgUrl;
	document.onmousemove = moveImage;
}

// masque l'image
function outImage() {
	document.getElementById("div_zoom_image").style.visibility = "hidden";
	document.getElementById("img_zoom_image").src = "";
	document.onmousemove = "";
}

// permet d'afficher l'image lorsque la souris bouge dans l'image
function moveImage(event) {
	// position
	var x = event.pageX + 5;
	var y = event.pageY + 5;
	// placement
	document.getElementById("div_zoom_image").style.left = x + "px";
	document.getElementById("div_zoom_image").style.top = y + "px";
}

/* Détection plugin flash */
var flashinstalled = 0;
var flashversion = 0;
MSDetect = "false";
if (navigator.plugins && navigator.plugins.length){
	x = navigator.plugins["Shockwave Flash"];
	if (x){
		flashinstalled = 2;
		if (x.description){
			y = x.description;
			flashversion = y.charAt(y.indexOf('.')-1);
		}
	}
	else{flashinstalled = 1;}
	if (navigator.plugins["Shockwave Flash 2.0"]){
		flashinstalled = 2;
		flashversion = 2;
	}
}
else if (navigator.mimeTypes && navigator.mimeTypes.length){
	x = navigator.mimeTypes['application/x-shockwave-flash'];
	if (x && x.enabledPlugin){flashinstalled = 2;}
	else{flashinstalled = 1;}
}
else{MSDetect = "true";}

function no_plugin(){
	if (flashinstalled == 1){
		document.getElementById('dl_plugin_flash').innerHTML = '<b>Ce contenu requiert le Flash Player.</b><p>Pour visionner ce contenu, la derni&egrave;re version d\'Adobe Flash Player doit &ecirc;tre install&eacute;e.</p><br /><p><a href="http://www.adobe.com/go/getflashplayer">T&eacute;l&eacute;chargez gratuitement Flash Player (1,83 Mo)</a></p><a target="_top" href="http://www.adobe.com/go/getflashplayer"><img height="33" width="112" border="0" alt="T&eacute;l&eacute;chargez Adobe Flash Player" src="http://www.adobe.com/images/shared/download_buttons/get_flash_player.gif"/></a>';
	}
}