var jw_scroller = null;
/*
Script: jwscroller.js
Builds a scroll effect to slide
Author: Luca Scarpa, 
Project page: http://www.joomlaworks.gr
Copyright (c) 2006 - 2007 JoomlaWorks.gr - http://www.joomlaworks.gr
Arguments:
options - optional, an object containing options.
*/

var JWscroller = new Class({
initialize: function(container, options){
this.container = $(container);
if(!this.container.hasClass('hasJWscroller')){
this.container.addClass('hasJWscroller');
this.slides = [];
this.buttons = [];
this.options = Object.extend({
slidesSelector: ".jwscroller-content",
buttonsSelector: ".lien-tranche",
wrapperSelector: "jwscroller-wrapper",
nextSelector: "jwscroller-next",
prevSelector: "jwscroller-prev",
rotateAction: "click",
transitionDuration: 500,
startIndex: 0,
buttonOffClass: 'lien-tranche-off',
buttonOnClass: 'lien-tranche-selectionne',
wait: false
}, options || {});
this.currentSlide = -1;
this.slides = this.container.getElements(this.options.slidesSelector);
this.buttons = this.container.getElements(this.options.buttonsSelector);
this.createScroll(this.options.rotateAction);
return this;
} else return false;
},

/*
Property: createScroll
*Private internal function; do not call directly.*
create scroll effect and add action to all link

Arguments:
action - action to give to link
*/

createScroll: function(action){
//this.scroll = new Fx.Scroll(this.options.wrapperSelector, { wait: this.options.wait, duration: this.options.transitionDuration});

// Add action to link slide
this.buttons.each(function(el,index){
$(el).addEvent(action, function(event) {
event = new Event(event).stop();
this.selected(index);
}.bind(this));
}, this);

// Add action to next link
//$(this.options.nextSelector).addEvent(action, function(event) { this.next(event); }.bind(this));
// Add action to prev link
//$(this.options.prevSelector).addEvent(action, function(event) { this.prev(event); }.bind(this));

this.selected(this.options.startIndex);

},

/*
Property: next
*Private internal function; do not call directly.*
Progresses to the next slide. */
next: function(event){
event = new Event(event).stop();

current = this.currentSlide;
next = (current+1 >= this.slides.length) ? 0 : current+1;
this.selected(next);
},

/*
Property: prev
*Private internal function; do not call directly.*
Progresses to the prev slide. */
prev: function(event){
event = new Event(event).stop();

current = this.currentSlide;
prev = (current-1 < 0) ? this.slides.length-1 : current-1;
this.selected(prev);
},

/*
Property: selected
*Private internal function; do not call directly.*
Select the slide and add it class */
selected: function(slideIndex){
    if(slideIndex!=this.currentSlide){
        this.buttons.each(function(el,index){
            if(index == slideIndex && index != this.currentSlide){ //show
                $(this.buttons[index]).removeClass(this.options.buttonOffClass).addClass(this.options.buttonOnClass);
                $(this.slides[index]).removeClass("jwscroller-content-invisible").addClass("jwscroller-content-visible");
            } else {
                $(this.buttons[index]).removeClass(this.options.buttonOnClass).addClass(this.options.buttonOffClass);
                $(this.slides[index]).removeClass("jwscroller-content-visible").addClass("jwscroller-content-invisible");
            }
    }, this);
    
    this.currentSlide = slideIndex;
    $(this.slides[slideIndex]).removeClass("jwscroller-content-invisible").addClass("jwscroller-content-visible");
    //this.scroll.toElement(this.slides[slideIndex]);
    }
}

});