/*
Inspired by the lightbox implementation found at http://www.huddletogether.com/projects/lightbox/
*/

/*-------------------------------GLOBAL VARIABLES------------------------------------*/

var detect = navigator.userAgent.toLowerCase();
var OS,browser,version,total,thestring;



/*-----------------------------------------------------------------------------------------------*/

Event.observe(window, 'load', initialize, false);
Event.observe(window, 'load', getBrowserInfo, false);
Event.observe(window, 'unload', Event.unloadCache, false);

var lightbox = Class.create();

lightbox.prototype = {

	yPos : 0,
	xPos : 0,
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	initialize: function(ctrl) {
		this.content = ctrl.href;
		Event.observe(ctrl, 'click', this.activate.bindAsEventListener(this), false);
		ctrl.onclick = function(){return false;};
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// Turn everything on - mainly the IE fixes
	activate: function(){
		if (browser == 'Internet Explorer'){
			this.getScroll();
			this.prepareIE('100%', 'hidden');
			this.setScroll(0,0);
			this.hideSelects('hidden');
		}
		this.displayLightbox("block");
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// Ie requires height to 100% and overflow hidden or else you can scroll down past the lightbox
	prepareIE: function(height, overflow){
		bod = document.getElementsByTagName('body')[0];
		bod.style.height = height;
		bod.style.overflow = overflow;
  
		htm = document.getElementsByTagName('html')[0];
		htm.style.height = height;
		htm.style.overflow = overflow; 
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// In IE, select elements hover on top of the lightbox
	hideSelects: function(visibility){
		selects = document.getElementsByTagName('select');
		for(i = 0; i < selects.length; i++) {
			selects[i].style.visibility = visibility;
		}
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// Taken from lightbox implementation found at http://www.huddletogether.com/projects/lightbox/
	getScroll: function(){
		if (self.pageYOffset) {
			this.yPos = self.pageYOffset;
		} else if (document.documentElement && document.documentElement.scrollTop){
			this.yPos = document.documentElement.scrollTop; 
		} else if (document.body) {
			this.yPos = document.body.scrollTop;
		}
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	setScroll: function(x, y){
		window.scrollTo(x, y); 
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	displayLightbox: function(display){
	
		var overlay = $('overlay');
		
		// -------------- modif j --------------
		overlay.style.display = display;
		Event.observe(overlay, 'click', this.deactivate.bindAsEventListener(this), false);
		overlay.onclick = function(){return false;};
		// ------------------------------------------
	
		$('lightbox').style.display = display;
	
				// --- ajout ici j
		var arrayPageScroll = trk_getPageScroll();
		var arrayPageSize = trk_getPageSize();
	
		
		var lightboxTop = lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - 360) / 2);
		var lightboxLeft = ((arrayPageSize[0] - 20 - 450) / 2);
		
		$('lightbox').style.left = lightboxLeft + 'px';
		$('lightbox').style.top = lightboxTop + 'px';
		// ------------------
		
		
		
		
		if(display != 'none') this.loadInfo();
	},
	

	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// Begin Ajax request based off of the href of the clicked linked
	loadInfo: function() {
		var myAjax = new Ajax.Request(
        this.content,
        {method: 'post', parameters: "", onComplete: this.processInfo.bindAsEventListener(this)}
		);
		
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// Display Ajax response
	processInfo: function(response){
		info = "<div id='lbContent'>" + response.responseText + "</div>";
		new Insertion.Before($('lbLoadMessage'), info)
		$('lightbox').className = "done";	
		this.actions();			
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// Search through new links within the lightbox, and attach click event
	actions: function(){
		lbActions = document.getElementsByClassName('lbAction');

		for(i = 0; i < lbActions.length; i++) {
			Event.observe(lbActions[i], 'click', this[lbActions[i].rel].bindAsEventListener(this), false);
			lbActions[i].onclick = function(){return false;};
		}

	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// Example of creating your own functionality once lightbox is initiated
	insert: function(e){

	   link = Event.element(e).parentNode;

	   Element.remove($('lbContent'));

	   var myAjax = new Ajax.Request(

			  link.href,
			  {method: 'post', parameters: "", onComplete: this.processInfo.bindAsEventListener(this)}

	   );

	 

	},

	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// validation de la fiche	
	submit: function(e){
	
		var leForm = document.getElementById('cart_form');
		var query = jd_buildQuery(leForm) ;

	   link = Event.element(e).parentNode;
	   Element.remove($('lbContent'));	
	   
	   var myAjax = new Ajax.Request(
			 link.href,
			  {method: 'post', parameters: query, onComplete: this.processInfo.bindAsEventListener(this)}

	   );	   

		var overlay = $('overlay');
		Event.stopObserving(overlay, 'click', this.deactivate.bindAsEventListener(this), false);
		Event.observe(overlay, 'click', this.closeConfirmBox.bindAsEventListener(this), false);
		
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// Display Ajax response
	displayCartNumber: function(response){
		$('cart_nb').innerHTML = response.responseText;
			
	},
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	// close confirmation box 
	closeConfirmBox: function(){
	
		var myAjax = new Ajax.Request(
			 'cart_count.php',
			  {method: 'get', parameters: '', onComplete: this.displayCartNumber.bindAsEventListener(this)}

	   );	
	   
	   this.deactivate();
	
	},	
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	deactivate: function(){
		Element.remove($('lbContent'));
		
		if (browser == "Internet Explorer"){
			this.setScroll(0,this.yPos);
			this.prepareIE("auto", "auto");
			this.hideSelects("visible");
		}
		
		this.displayLightbox("none");
		
	}
	
	// v^v^v^v^v^vv^v^v^v^v^v^v^v^v^v^vv^v^v^v^v^v
	
}

/*-----------------------------------------------------------------------------------------------*/
// ----------------------------
//
// ----------------------------
// Onload, make all links that need to trigger a lightbox active
function initialize(){
	addLightboxMarkup();
	lbox = document.getElementsByClassName('lbOn');
	for(i = 0; i < lbox.length; i++) {
		valid = new lightbox(lbox[i]);
	}
}

// ----------------------------
//
// ----------------------------
// Add in markup necessary to make this work. Basically two divs:
// Overlay holds the shadow
// Lightbox is the centered square that the content is put into.
function addLightboxMarkup() {
	bod 				= document.getElementsByTagName('body')[0];
	overlay 			= document.createElement('div');
	overlay.id		= 'overlay';
	
	lb					= document.createElement('div');
	lb.id				= 'lightbox';
	lb.className 	= 'loading';
	lb.innerHTML	= '<div id="lbLoadMessage">' +
						  '<p align="center"><img src="images/loading.gif" width="32" height="32" alt="Chargement en cours..." /></p>' +
						  '</div>';
	bod.appendChild(overlay);
	bod.appendChild(lb);
}



/*-----------------------------------------------------------------------------------------------*/

//Browser detect script origionally created by Peter Paul Koch at http://www.quirksmode.org/
// ----------------------------
//
// ----------------------------
function getBrowserInfo() {
	if (checkIt('konqueror')) {
		browser = "Konqueror";
		OS = "Linux";
	}
	else if (checkIt('safari')) browser 	= "Safari"
	else if (checkIt('omniweb')) browser 	= "OmniWeb"
	else if (checkIt('opera')) browser 		= "Opera"
	else if (checkIt('webtv')) browser 		= "WebTV";
	else if (checkIt('icab')) browser 		= "iCab"
	else if (checkIt('msie')) browser 		= "Internet Explorer"
	else if (!checkIt('compatible')) {
		browser = "Netscape Navigator"
		version = detect.charAt(8);
	}
	else browser = "An unknown browser";

	if (!version) version = detect.charAt(place + thestring.length);

	if (!OS) {
		if (checkIt('linux')) OS 		= "Linux";
		else if (checkIt('x11')) OS 	= "Unix";
		else if (checkIt('mac')) OS 	= "Mac"
		else if (checkIt('win')) OS 	= "Windows"
		else OS 								= "an unknown operating system";
	}
}
// ----------------------------
//
// ----------------------------
function checkIt(string) {
	place = detect.indexOf(string) + 1;
	thestring = string;
	return place;
}

/*-----------------------------------------------------------------------------------------------*/
// ----------------------------
//
// ----------------------------
function jd_buildQuery(form){
   var query = new Array();
   for(var i=0; i<form.elements.length; i++){
     var key = form.elements[i].name;
     var value = jd_getElementValue(form.elements[i]);
     if(key){
        query.push( key +'='+ escape(value));
     }
   }
   return query.join('&');
}
// ----------------------------
//
// ----------------------------
function jd_getElementValue(formElement){

   switch(formElement.type)
   {
     case 'undefined': return;

     case 'radio':
        for(var x=0; x < formElement.length; x++) 
          if(formElement[x].checked == true)
        return formElement[x].value;

     case 'select-multiple':
        var myArray = new Array();
        for(var x=0; x < formElement.length; x++) 
          if(formElement[x].selected == true)
             myArray[myArray.length] = formElement[x].value;
        return myArray;

     case 'checkbox': return formElement.checked;
   
     default: return formElement.value;
   }
}
// ----------------------------
//
// ----------------------------
//------- return current page filename without any trailing # or ?
function jd_getCurrentPageFileName(){
	var pa = new RegExp("([^#|\?]+)");
	return pa.exec(location.href.substr(location.href.lastIndexOf('/')+1))[0];
}