var langue = '';var col_t = '';var col_c = '';var radic = '';var adresse_site = 'http://www.fort-mutzig.eu';
var adresse_racine = 'http://www.fort-mutzig.eu/v_2022/';
var path_galerie = 'http://www.fort-mutzig.eu/v_2022/_images/galerie/';

var page_menu = 'accueil.php';
var page_smart = 'accueil_smart.php';

// Déclaration des variables globales -------------------------------------
var div_header = 'header_conteneur';
var div_header_img = 'header_img_fond';
var div_ss_menu = 'header_ss_menu_conteneur';

var div_page_titre = 'bandeau_titre_page'; 
var div_page_alterne = 'page_alternative';
var div_pages_smart = 'bloc_base';

var div_page = 'page';
var div_page_liste = 'page_liste';
var div_page_intro = 'page_intro';
var div_page_details = 'page_details';

// Fonctions spécifiques -------------------------------------------------
function bascule_mode_affichage(mode) {
	var link = '';
    if (mode == 1 && largeur_ecran(1) < 1000) link = adresse_site; 
    if (mode == 2 && largeur_ecran(1) > 1000) link = adresse_site; 
    
    if (link != '') {
        //alert(link);
        document.location.href = link;	
    }    
}

function js_insert_page(id_menu, zone, parent) {
    var link = '';   
    bascule_visible(div_ss_menu, false, parent);    

    if (id_menu != 0) {
    	bascule_visible(div_page_titre, true, parent); 
        stop_timer();
    }
    else {
    	bascule_visible(div_page_titre, false, parent);    
    }
    if (parent == 0)
    	link = 'code_page.php?id_page=' + id_menu + '&zone=' + zone;  
    else
    	link = '../code_page.php?id_page=' + id_menu + '&zone=' + zone;  
    
    js_update_titre_arbre(id_menu, parent);   
    js_update_num_page(id_menu, parent);
    js_remplace_contenu_div(div_page_alterne, link, parent);     
 
}
function js_insert_page_smart(id_menu) {
    link = 'code_page_smart.php?id_page=' + id_menu; 
	js_remplace_contenu_div(div_pages_smart, link, 0); 
}
function js_valide_mdp(id_page, mdp) {
	if (mdp == 'Fkw2-93')
		js_insert_page(id_page, 'T', 0);
    else
    	alert("Erreur");
}
function js_update_titre_arbre(id_menu, parent) {
    if (parent == 0)
        link = 'code_titre_arbre.php?id_menu=' + id_menu; 
    else
        link = '../code_titre_arbre.php?id_menu=' + id_menu; 
    js_remplace_contenu_div(div_page_titre, link, parent); 
}
function js_update_num_page(id_menu, parent) {
    js_update_contenu_id('num_page', id_menu, parent); 
}

function js_remplace_contenu_div_id(div_cible, id_page, parent) {
	if (parent == 0)
    	var php_nom = 'insert_code_page.php';
    else
       var php_nom = '../insert_code_page.php';
    link = php_nom + '?id_page=' + id_page + '&zone=I';
 
    js_remplace_contenu_div(div_cible, link, 0); 
}
function js_remplace_contenu_div(div_cible, link, parent) {
    var xhr_object = getXMLHttpRequest();
    xhr_object.open("GET", link, true); 
    xhr_object.send(null);  
    xhr_object.timeout = 3000; 
    
	console.log('js_remplace_contenu_div : ' + div_cible + ' : ' + link);
    
    xhr_object.onreadystatechange = function() 
    {  
        if (xhr_object.readyState == 4 && xhr_object.status == 200) 
        {
            var code = xhr_object.responseText;   
            if (code != '') {
                if (parent == 1) {
                	//alert('js_remplace_contenu_div > parent');
                    var le_div = window.parent.document.getElementById(div_cible);
                }
                else
                    var le_div = document.getElementById(div_cible);
            		
            	le_div.innerHTML = code; 
        	}
        }
        else
       		console.log('js_remplace_contenu_div >>>> page non trouvée ' + link);
	} 
}
function js_update_contenu_id(div_cible, contenu, parent) {
	if (parent == 1) {
        var le_div = window.parent.document.getElementById(div_cible);
    }
    else
    	var le_div = document.getElementById(div_cible);
    le_div.innerHTML = contenu; 
}

function change_langue(langue){    
    var fichier = page_menu;    
    var param_langue = '?langue=' + langue;
   	    
    var le_div = document.getElementById('num_page');
    var num_actuel = le_div.innerHTML;
    var param_num_page = '&num_page=' + num_actuel;
    var link = adresse_racine + page_menu + param_langue + param_num_page; 
 	    
    window.location.assign(link);
    //document.location.href = link;
} 
function change_langue_smart(langue) {
	var fichier = page_smart;    
    var param_langue = '?langue=' + langue;
    var page_actuelle = 0;
    var param_page = '&num_page=' + page_actuelle;	
       
    var link = adresse_racine + fichier + param_langue + param_page; 
	   
    document.location.href = link;
}
function change_mois(div_calendrier, id_pop) {	
    var annee_actuelle;
    
    var div_mois = document.getElementById("les_mois");
    var mois_actuel = parseInt(div_mois.options[div_mois.selectedIndex].value);
    
    if (mois_actuel > 12) mois_actuel = mois_actuel -12;  
    var annee_actuelle = parseInt(Left(div_mois.options[div_mois.selectedIndex].text, 4));
    var new_link = 'code_calendrier.php?mois=' + mois_actuel + '\&an=' + annee_actuelle + '\&div_calendrier=' + div_calendrier + '\&div_pop_jour=' + id_pop; 
    js_remplace_contenu_div('div_calendrier', new_link, 0); 
}  

function js_test_mdp(mdp) {
	var le_div = window.parent.document.getElementById('mdp');
    var mdp_ref = le_div.innerHTML;
    alert(mdp + ' -> ' + mdp_ref);
}
function js_affiche_racine() {
	var param_langue = '?langue=' + langue;
    var link = adresse_racine + page_smart + param_langue;
    document.location.href = link;
    if (num_actuel == 0) {
        affichage(0);
    }
}
function js_affiche_ss_menu(num_menu, nb_ss_menu) { 
    var baseUrl = cherche_racine_site();  
    var div_menu = div_ss_menu;
   
    //js_page_titre_update(num_menu, 0);   
    bascule_visible(div_ss_menu, true, 0);
    
    var Lg_Id_Item = String(num_menu).length;
    
    if (Lg_Id_Item <3) {
        if (String(num_menu).length == 1) {
            //modifie image du fond
            var div_menu = 'entete';
            var img_source = baseUrl + '_images/header/header_fond_' + num_menu + '.jpg';
            document.getElementById(div_menu).style.backgroundImage  = "url(" + img_source + ")";
            
            div_menu = 'ss_menu_col_1';
            var img_source = baseUrl + '_images/ss_menu/photo_menu_' + num_menu + '.jpg';
            document.getElementById(div_menu).style.backgroundImage  = "url(" + img_source + ")";
            
            Url = baseUrl + 'code_ss_menu.php?partie=0&num_menu=' + num_menu; 
            js_remplace_contenu_div(div_menu, Url, 0); 	        
        }
       	if (Lg_Id_Item == 1) {
            div_menu = 'ss_menu_col_2';
            Url = baseUrl + 'code_ss_menu.php?partie=1&num_menu=' + num_menu; 
            js_remplace_contenu_div(div_menu, Url, 0); 	
    	}
        
        if (String(num_menu).length == 1) num_menu += '1';  
        div_menu = 'ss_menu_col_3';
        Url = baseUrl + 'code_ss_menu.php?partie=2&num_menu=' + num_menu; 
        console.log('Num_menu : ' + num_menu + ' - Div destination : ' + div_menu + ' : ' + + Url);
        js_remplace_contenu_div(div_menu, Url, 0); 	
        
	} 
}

function js_actualise_id_page(id_page) {
	var nom_page = document.getElementById('id_page'); // Numéro qui sert à basculer de langue sur la page
    nom_page.innerHTML = id_page; 
}

function js_insert_pdf(div_cible, link, parent) {
	if (Right(link, 4) == '.PDF') {
        var code = '<iframe src="http://docs.google.com/gview?url=' + link + '&embedded=true" style="width:100%; height:1200px;" frameborder="0"></iframe>';
        if (parent == 1) {
            //alert('js_remplace_contenu_div > parent');
            var le_div = window.parent.document.getElementById(div_cible);
        }
        else
            var le_div = document.getElementById(div_cible);
    
        le_div.innerHTML = code; 
    }
}

function js_init_fond_accueil() {
	var diapoImg = document.getElementsByName('header_diapo');
    var i; 
    for (i = 0; i < diapoImg.length; i++) {  
        //console.log('Img header : ' + div_header_img + ' -> ' + i);
        if (i == 0) diapoImg[i].style.opacity = "1"; 	else diapoImg[i].style.opacity = "0";        
    } 
}

function js_page_menu_maj(id_page) {
	//Actualise la liste de menu avec id_page
    var php_nom = 'insert_code_page.php';
    
    link = php_nom + '?id_page=' + id_page + '&zone=L'; 
    console.log('js_page_menu_maj : ' + link + ' dans : ' + div_page_liste);
    js_remplace_contenu_div(div_page_liste, link, 0); 
}
function js_page_contenu_maj(id_menu, parent) {
	//console.log('js_page_contenu_maj : ' + id_menu);
	js_actualise_num_page(id_menu);    
    //js_page_titre_update(id_menu, 0);  
    if (id_menu != 26 && id_menu != 44  && id_menu != 56 && id_menu != 481) {
        var php_nom = 'insert_code_page.php';
        link = php_nom + '?id_page=' + id_menu + '&zone=I';
        //console.log('js_page_contenu_maj ' + id_menu + ', link : ' + link);
        js_remplace_contenu_div(div_page_intro, link, 0); 
        
        link = php_nom + '?id_page=' + id_menu +'&zone=D';
        js_remplace_contenu_div(div_page_details, link, 0); 
    }
    else {
       js_insert_page(id_menu, 'T', 0); 
    }
}


function bascule_visible(nom_div, bool, parent){
   
    if (div_ok(nom_div, parent))
    {
        if (parent == 1)
        	node = le_div = window.parent.document.getElementById(nom_div);
        else
        	node = document.getElementById(nom_div);
        
        if (bool == false)
            {node.style.visibility = "hidden";} 
        else
            {node.style.visibility = "visible";}
    }  
    //else alert(nom_div + ' pas trouvé !!!');
}

/* Gestion du calendrier --------------------------------------------------*/
function js_info_jour(id_objet, date){ 
    if (id_objet) {
    	var link = 'code_agenda_jour.php?date=' + date;	
    	js_remplace_contenu_div('jour_en_cours', link, 1); 
    }
}

function js_popup_image(img) {
	//alert('Ouverture image : ' + img);
    
    w=open("",'image','weigth=toolbar=no,scrollbars=no,resizable=yes, width=800');	
	w.document.write("<HTML><BODY onblur=\"window.close();\"><IMG src='"+img+"'>");
	w.document.write("</BODY></HTML>");
	w.document.close();
    
}

function bascule_affichage_pos(nom_div, nom_div_ancre, est_visible, decalage_x, decalage_y){
    if ( document.getElementById(nom_div))
    {
        var position = cherche_position(nom_div_ancre, 1); 
      	console.log('bascule_affichage_pos ancre : ' + nom_div_ancre);
        objet = window.parent.document.getElementById(nom_div);
        if (decalage_y !== 0)
        	objet.style.top = position.top + decalage_y + "px";
        else
        	objet.style.top = position.top + "px";
        if (decalage_x !== 0)
        	objet.style.left = position.left + decalage_x + "px";
        else   
        	objet.style.left = position.left + "px";

		if (est_visible == false)
			{objet.style.visibility = "hidden";}
		else
	  		{objet.style.visibility = "visible";}
       
        //var position_cible = cherche_position(nom_div, 1);   
         
        //alert('bascule_affichage_pos : ancre et cible  ' + position.left + ' -> ' + position_cible.left);   
        
	}  
    //else alert(nom_div + ' pas trouvé !!!');
}
function bascule_affichage_pos_smart(nom_div, nom_div_ancre, est_visible, decalage_x, decalage_y){
    if ( document.getElementById(nom_div))
    {
        var position = cherche_position(nom_div_ancre, 1); 
      	console.log('bascule_affichage_pos ancre : ' + nom_div_ancre);
        objet = window.parent.document.getElementById(nom_div);
        if (decalage_y !== 0)
        	objet.style.top = position.top + decalage_y + "px";
        else
        	objet.style.top = position.top + "px";
        if (decalage_x !== 0)
        	objet.style.left = position.left + decalage_x + "px";
        else   
        	objet.style.left = position.left + "px";

		if (est_visible == false)
			{objet.style.visibility = "hidden";}
		else
	  		{objet.style.visibility = "visible";}
	}  
    //else alert(nom_div + ' pas trouvé !!!');
}

function cherche_position(id, parent) {
	if (parent == 1)
    	var offsetTrail = window.parent.document.getElementById(id);
    else
    	var offsetTrail = document.getElementById(id);
    var offsetLeft = 0;
    var offsetTop = 0;
  
    while (offsetTrail) {
        offsetLeft += offsetTrail.offsetLeft;
        offsetTop += offsetTrail.offsetTop;
        offsetTrail = offsetTrail.offsetParent;
    }
    return {
        left: offsetLeft,
        top: offsetTop
    };  
}

/* Gestion de diaporama ---------------------------------------------------*/
let le_diaporama
function init_timer_diaporama(racine) {
    console.log('init_timer_diaporama : ' + racine);
    le_diaporama = window.setInterval(function() {diapo_move(racine, 1)}, 7000); 
    //le_diaporama = setTimeout(function run() {diapo_move(racine, 1); setTimeout(run, 7000);}, 7000);
    diapo_move(racine, 1);
}
function stop_timer() {
	clearInterval(le_diaporama);
	//clearTimeout(le_diaporama);
}
function diapo_move(racine, sens) {   
    var diapoImg = document.getElementsByName(racine);
    var diapoTxt = document.getElementsByName(racine + "_texte");
        
    var nb_diapos = diapoImg.length;
    var nb_textes = diapoTxt.length;
    
    var num_dia = nb_diapos;
    for (i = 0; i < nb_diapos; i++) {
        if (diapoImg[i].style.opacity == "1") num_dia = i;  
        diapoImg[i].style.opacity = "0"; 
        diapoTxt[i].style.opacity = "0"; 
    } 
   	if (sens == 0){
   		num_dia--;
        if (num_dia < 0) num_dia = nb_diapos + 1;
    }
    else {
 		num_dia++;	
        if (num_dia >= nb_diapos) {num_dia = 0;}    
    }     
    console.log('dia n°' + num_dia);
    
    diapoImg[num_dia].style.opacity = "1"; 
    diapoTxt[num_dia].style.opacity = "1"; 
} 

// Fonctions Utilitaires génériques -----------------------------------------------------------------------
function popupoff(idobjet) {
    if (idobjet)
    {
        objet=document.getElementById(idobjet);
        objet.style.visibility = "hidden";
    }
}

function div_existe(nom_div) {
	var test = false;
    var element = document.getElementById(nom_div);
    //console.log('Type : ' + typeof(element));
    if(typeof(element) != 'undefined' && element != null) {
    	test = true;
    }
    return test;
}
function div_ok(nom_div, parent) {
	var test = false;
    if (parent == 1)
        var le_div = window.parent.document.getElementById(nom_div);
    else
    	var le_div = document.getElementById(nom_div);
        
    //console.log('Type : ' + typeof(element));
    if(typeof(le_div) != 'undefined' && le_div != null) {
    	test = true;
    }
    return test;
}
function getXMLHttpRequest() {
    var xhr = null;

    if (window.XMLHttpRequest || window.ActiveXObject) {
        if (window.ActiveXObject) {
            try {
                xhr = new ActiveXObject("Msxml2.XMLHTTP");
            } catch(e) {
                xhr = new ActiveXObject("Microsoft.XMLHTTP");
            }
        } else {
            xhr = new XMLHttpRequest(); 
        }
    } else {
        alert("Votre navigateur ne supporte pas l'objet XMLHTTPRequest...");
        return null;
    }
    return xhr;
}
function cherche_racine_site() {
	var getUrl = window.location;
	var baseUrl = getUrl.protocol + "//" + getUrl.host + "/" + getUrl.pathname.split('/')[1] + '/'; 
    
    return baseUrl;
}


function largeur_ecran(partie) {
	l1 = document.documentElement.clientWidth;
    l2 = window.innerWidth; 
    
    if (partie == 1) largeur = l1; else largeur = l2;
	return largeur;
}

function Left(str, n){
	if (n <= 0)
	    return str;
	else if (n > String(str).length)
	    return str;
	else
	    return String(str).substring(0,n);
}
function Right(str, n){
    if (n <= 0)
       return "";
    else if (n > String(str).length)
       return str;
    else {
       var iLen = String(str).length;
       return String(str).substring(iLen, iLen - n);
    }
}

function ok() {
	alert('Ok');
	return 'Ok';
}
function test_html(page) {
	var pos_param = page.indexOf("?");
    var link = page;
    var params = '';
       
    if (pos_param > 0)
    {
        link = Left(page, pos_param - 1);
        long = page.length;
        var nb_droite = long - pos_param - 1;
        params = Right(page, nb_droite);
        params = '?' + params;
    }
    if (Right(link, 9) == '_html.php')
    	var est_html = true;
    else
    	var est_html = false;    
	return est_html;
}