/**
 *    SlideItMoo v1.1 - Image slider
 *    (c) 2007-2010 Constantin Boiangiu <http://www.php-help.ro>
 *    MIT-style license.
 **/
var SlideItMoo = new Class({Implements:[Events,Options],options:{overallContainer:null,elementScrolled:null,thumbsContainer:null,itemsSelector:null,itemsVisible:5,elemsSlide:null,itemWidth:null,itemHeight:null,navs:{fwd:".SlideItMoo_forward",bk:".SlideItMoo_back"},slideVertical:false,showControls:1,transition:Fx.Transitions.linear,duration:800,direction:1,autoSlide:false,mouseWheelNav:false,startIndex:null},initialize:function(A) {
    this.setOptions(A);
    this.elements = $(this.options.thumbsContainer).getElements(this.options.itemsSelector);
    this.totalElements = this.elements.length;
    if (this.totalElements <= this.options.itemsVisible) {
        return
    }
    var B = this.elements[0].getSize();
    this.elementWidth = this.options.itemWidth || B.x;
    this.elementHeight = this.options.itemHeight || B.y;
    this.currentElement = 0;
    this.direction = this.options.direction;
    this.autoSlideTotal = this.options.autoSlide + this.options.duration;
    if (this.options.elemsSlide == 1) {
        this.options.elemsSlide = null
    }
    this.begin()
},begin:function() {
    this.addControls();
    this.setContainersSize();
    this.myFx = new Fx.Tween(this.options.thumbsContainer, {property:(this.options.slideVertical ? "margin-top" : "margin-left"),wait:true,transition:this.options.transition,duration:this.options.duration});
    if (this.options.mouseWheelNav && !this.options.autoSlide) {
        $(this.options.thumbsContainer).addEvent("mousewheel", function(B) {
            new Event(B).stop();
            this.slide(-B.wheel)
        }.bind(this))
    }
    if (this.options.startIndex && this.options.startIndex > 0 && this.options.startIndex < this.elements.length) {
        for (var A = 1; A < this.options.startIndex; A++) {
            this.rearange()
        }
    }
    if (this.options.autoSlide && this.elements.length > this.options.itemsVisible) {
        this.startAutoSlide()
    }
},resetAll:function() {
    $(this.options.overallContainer).removeProperty("style");
    $(this.options.elementScrolled).removeProperty("style");
    $(this.options.thumbsContainer).removeProperty("style");
    this.stopAutoSlide();
    if ($defined(this.fwd)) {
        this.fwd.dispose();
        this.bkwd.dispose()
    }
    this.initialize()
},setContainersSize:function() {
    var F = {};
    var E = {};
    var B = {};
    if (this.options.slideVertical) {
        E.height = this.options.itemsVisible * this.elementHeight;
        B.height = this.totalElements * (this.elementHeight + 10)
    } else {
        var D = 0;
        if (this.options.showControls) {
            var C = this.fwd.getSize();
            var A = this.bkwd.getSize();
            var D = C.x + A.x
        }
        F.width = this.options.itemsVisible * this.elementWidth + D;
        E.width = this.options.itemsVisible * this.elementWidth;
        B.width = this.totalElements * (this.elementWidth + 10)
    }
    $(this.options.overallContainer).set({styles:F});
    $(this.options.elementScrolled).set({styles:E});
    $(this.options.thumbsContainer).set({styles:B})
},addControls:function() {
    if (!this.options.showControls || this.elements.length <= this.options.itemsVisible) {
        return
    }
    this.fwd = $(this.options.overallContainer).getElement(this.options.navs.fwd);
    this.bkwd = $(this.options.overallContainer).getElement(this.options.navs.bk);
    if (this.fwd) {
        this.fwd.addEvent("click", this.slide.pass(1, this))
    }
    if (this.bkwd) {
        this.bkwd.addEvent("click", this.slide.pass(-1, this))
    }
},slide:function(D) {
    if (this.started) {
        return
    }
    this.direction = D ? D : this.direction;
    var A = this.currentIndex();
    if (this.options.elemsSlide && this.options.elemsSlide > 1 && this.endingElem == null) {
        this.endingElem = this.currentElement;
        for (var B = 0; B < this.options.elemsSlide; B++) {
            this.endingElem += D;
            if (this.endingElem >= this.totalElements) {
                this.endingElem = 0
            }
            if (this.endingElem < 0) {
                this.endingElem = this.totalElements - 1
            }
        }
    }
    var C = new Hash();
    var E = 0;
    if (this.options.slideVertical) {
        C.include("margin-top", -this.elementHeight);
        E = this.direction == 1 ? -this.elementHeight : 0
    } else {
        C.include("margin-left", -this.elementWidth);
        E = this.direction == 1 ? -this.elementWidth : 0
    }
    if (this.direction == -1) {
        this.rearange();
        $(this.options.thumbsContainer).setStyles(C)
    }
    this.started = true;
    this.myFx.start(E).chain(function() {
        this.rearange(true);
        if (this.options.elemsSlide) {
            if (this.endingElem !== this.currentElement) {
                if (this.options.autoSlide) {
                    this.stopAutoSlide()
                }
                this.slide(this.direction)
            } else {
                if (this.options.autoSlide) {
                    this.startAutoSlide()
                }
                this.endingElem = null
            }
        }
    }.bind(this));
    this.fireEvent("onChange", A)
},rearange:function(A) {
    if (A) {
        this.started = false
    }
    if (A && this.direction == -1) {
        return
    }
    this.currentElement = this.currentIndex(this.direction);
    var B = new Hash();
    if (this.options.slideVertical) {
        B.include("margin-top", 0)
    } else {
        B.include("margin-left", 0)
    }
    $(this.options.thumbsContainer).setStyles(B);
    if (this.currentElement == 1 && this.direction == 1) {
        this.elements[0].injectAfter(this.elements[this.totalElements - 1]);
        return
    }
    if ((this.currentElement == 0 && this.direction == 1) || (this.direction == -1 && this.currentElement == this.totalElements - 1)) {
        this.rearrangeElement(this.elements.getLast(), this.direction == 1 ? this.elements[this.totalElements - 2] : this.elements[0]);
        return
    }
    if (this.direction == 1) {
        this.rearrangeElement(this.elements[this.currentElement - 1], this.elements[this.currentElement - 2])
    } else {
        this.rearrangeElement(this.elements[this.currentElement], this.elements[this.currentElement + 1])
    }
},rearrangeElement:function(B, A) {
    this.direction == 1 ? B.injectAfter(A) : B.injectBefore(A)
},currentIndex:function() {
    var A = null;
    switch (this.direction) {case 1:A = this.currentElement >= this.totalElements - 1 ? 0 : this.currentElement + this.direction;break;case -1:A = this.currentElement == 0 ? this.totalElements - 1 : this.currentElement + this.direction;break
    }
    return A
},startAutoSlide:function() {
    this.startIt = this.slide.bind(this).pass(this.direction | 1);
    this.autoSlide = this.startIt.periodical(this.autoSlideTotal, this);
    this.isRunning = true;
    this.elements.addEvents({mouseenter:function() {
        $clear(this.autoSlide);
        this.isRunning = false
    }.bind(this),mouseleave:function() {
        this.autoSlide = this.startIt.periodical(this.autoSlideTotal, this);
        this.isRunning = true
    }.bind(this)})
},stopAutoSlide:function() {
    $clear(this.autoSlide);
    this.isRunning = false
}});