var image_numbers = 118;
var init_loop = "true";
var loop_interval = "15000";


//recuperation des variables GET
var page='acceuil';
function getQueryVariable(variable) {
	var query = window.location.search.substring(1);
	var vars = query.split("&");
	for (var i = 0; i < vars.length; i++) {
		var pair = vars[i].split("=");
		if (pair[0] == variable) {
			return unescape(pair[1]);
		}
	}
	return false;
}

// Tootlips
jQuery.fn.Tooltip = function() {
	// For each instance of this element
	return this.each(function(){
		// Add the new attribute with title's current value and then remove the title attribute
		jQuery(this).attr({'data-tooltip': jQuery(this).attr("title")}).removeAttr("title");
	});
};


//lecture du cookie pour savoir di on fait un slideshow pour l'image de fond.
!readCookie('sanigros_loop_background') ? createCookie('sanigros_loop_background', init_loop, 7) : null;

//generation d'un numero aleatoire entre MinV et MaxV.
function randomBetween(MinV, MaxV) {
	var formated_result = MinV + Math.floor((MaxV - MinV + 1) * (Math.random() % 1));
	if (formated_result <= 9) formatted_result = '000' + formated_result;
	else if (formated_result <= 99) formatted_result = '00' + formated_result;
	else if (formated_result <= 999) formatted_result = '0' + formated_result;
	return formatted_result;
}

//demarrage du slideshow.
function startLoop(){			
	looping = setInterval(function (){changeBackground('big_' + randomBetween(0, image_numbers) + '.jpg');}, loop_interval);
	eraseCookie('sanigros_loop_background');
	createCookie('sanigros_loop_background', 'true', 7);
	//$('#loop').text('Arrêter');
	$('#loop img').attr("src", 'images/wallpaper_on.png');
}

//arret du slideshow.
function stopLoop(){
	clearInterval(looping);
	eraseCookie('sanigros_loop_background');
	createCookie('sanigros_loop_background', 'false', 7);
	//$('#loop').text('Démarrer');
	$('#loop img').attr("src", 'images/wallpaper_off.png');
}

//toggle (oui/non) du slideshow.
function toggleLoop(){ readCookie('sanigros_loop_background') == 'false'? startLoop() : stopLoop(); }

//fonction pour l'agrandissement/retrecissement maxi du fond de la page
function FullScreenBackground(theItem){
	var winWidth=$(window).width();
	var winHeight=$(window).height();
	var imageWidth=$(theItem).width();
	var imageHeight=$(theItem).height();
	var picHeight = imageHeight / imageWidth;
	var picWidth = imageWidth / imageHeight;
	if ((winHeight / winWidth) < picHeight) {
		$(theItem).css("width",winWidth);
		$(theItem).css("height",picHeight*winWidth);
	} else {
		$(theItem).css("height",winHeight);
		$(theItem).css("width",picWidth*winHeight);
	};
	$(theItem).css("margin-left", winWidth / 2 - $(theItem).width() / 2);
	$(theItem).css("margin-top", winHeight / 2 - $(theItem).height() / 2);
}


//fonction pour le changement du fond de la page.
function changeBackground(imagename){
	$('#data_loading').html('Image de fond…');
	$('#data_loading').fadeIn('fast');
	$('#bgimg').fadeOut('fast').remove();
	var img = new Image();
	$(img).load(function() {
		$(this).css('display', 'none');
		$('#bg').append(this);
		$(this).fadeIn('slow');
		FullScreenBackground(this);
		$('#data_loading').fadeOut('slow');
	}).attr({ src: "images/background/" + imagename, id: "bgimg"});
	
}


//s'il y a redimentionnement de la fenetre.
$(window).resize(function() {
	FullScreenBackground('#bgimg');
});

$('#container').imagesLoaded( function(){
	BuildWall();
});

function BuildWall(){
	$('#container').masonry({
    	itemSelector : '#bloc',
    	isFitWidth: true,
    	isAnimated: true
  	});
}


//charger les "boites"
function loadcontent(content, datatype, post_data){
	if (!datatype) { var datatype = 'text'; }
	if (!post_data) { var post_data = ''; }
	$('#data_loading').html('Données…');
	$('#data_loading').fadeIn('fast');
	$('#container').fadeOut('slow', function(){
		$('#bloc').removeClass();
		if (datatype == 'text')	{
			$(this).masonry( 'remove', $('#bloc'));
			$(this).append("<div class='bloc'>texte: " + content + "</div>");
			$(this).fadeIn('slow').masonry('reload');
			$('#data_loading').fadeOut('fast');
		} else if (datatype == 'data'){
			$(this).masonry( 'remove', $('#bloc'));
			$(this).load(content, post_data, function(response, status, xhr) {
  				if (status == "error") {
    				//var msg = "Sorry but there was an error: ";
    				//alert(msg + xhr.status + " " + xhr.statusText);
    				loadcontent('pages/patience.php', 'data');
 				} else {
  					$('#container').fadeIn('slow').masonry('reload');
  					$('#data_loading').fadeOut('fast');
 				}
			});
		}
	});
}



$(document).ready(function() {
	//creation Menu
	$(".myMenu").buildMenu({
		  template:"menu.php",
		  additionalData:"pippo=1",
		  menuWidth:200,
		  openOnRight:false,
		  menuSelector: ".menuContainer",
		  iconPath:"images/menu_icons/",
		  hasImages:false,
		  fadeInTime:100,
		  fadeOutTime:300,
		  adjustLeft:2,
		  minZindex:"auto",
		  adjustTop:10,
		  opacity:.93,
		  shadow:true,
		  shadowColor:"#555",
		  hoverIntent:0,
		  openOnClick:false,
		  closeOnMouseOut:true,
		  closeAfter:500,
		  submenuHoverIntent:100
	});
	
	//Image de fond grand ecran "random"
	changeBackground('big_' + randomBetween(0, image_numbers) + '.jpg');
	//avec slideshow? << info du cookie
	readCookie('sanigros_loop_background') == 'true' ? startLoop() : $('#loop img').attr("src", 'images/wallpaper_off.png');	
	
	//fondu d'entrée des 3 parties arriere tete et pied de page.
	$("#header").delay(500).fadeIn('slow');
	$("#header_back").delay(500).fadeIn('slow');
	$("#container").delay(800).fadeIn();
	$("#footer").delay(1000).fadeIn('slow');
	
	//jQuery masonry plugin (blocs a positionnement automatique.
	setTimeout(function(){ BuildWall(); }, 800);
	
	$('#footer').hover(
		function () { $('#footer_back').slideDown('fast');}, 
  		function () { $('#footer_back').slideUp('fast');}
	);
	
	//Affichage du tooltip pour le wallpaper
	$("a.tooltip").Tooltip();
	
	loadcontent('pages/'+page+'.php', 'data');
	
	//effet onmouseOver des blocs de données..	
	$('#bloc').hover(
		function () { $(this).css("background-color", "#FFF");}, 
		function () { $(this).css("background-color", "transparent");}
	);
	
});