;
window.swipe = function (element, options) {
    if (!element) return null;
    var _this = this;
    this.options = options || {};
    this.index = this.options.startslide || 0;
    this.speed = this.options.speed || 300;
    this.callback = this.options.callback || function () {};
    this.delay = this.options.auto || 0;
    this.container = element;
    this.element = this.container.children[0];
    this.container.style.overflow = 'hidden';
    this.element.style.liststyle = 'none';
    this.element.style.margin = 0;
    this.setup();
    this.begin();
    if (this.element.addeventlistener) {
        this.element.addeventlistener('touchstart', this, false);
        this.element.addeventlistener('touchmove', this, false);
        this.element.addeventlistener('touchend', this, false);
        this.element.addeventlistener('touchcancel', this, false);
        this.element.addeventlistener('webkittransitionend', this, false);
        this.element.addeventlistener('mstransitionend', this, false);
        this.element.addeventlistener('otransitionend', this, false);
        this.element.addeventlistener('transitionend', this, false);
        window.addeventlistener('resize', this, false)
    }
};
swipe.prototype = {
    setup: function () {
        this.slides = this.element.children;
        this.length = this.slides.length;
        if (this.length < 2) return null;
        this.width = math.ceil(("getboundingclientrect" in this.container) ? this.container.getboundingclientrect().width : this.container.offsetwidth);
        if (this.width === 0 && typeof window.getcomputedstyle === 'function') {
            this.width = window.getcomputedstyle(this.container, null).width.replace('px', '')
        }
        if (!this.width) return null;
        var origvisibility = this.container.style.visibility;
        this.container.style.visibility = 'hidden';
        this.element.style.width = math.ceil(this.slides.length * this.width) + 'px';
        var index = this.slides.length;
        while (index--) {
            var el = this.slides[index];
            el.style.width = this.width + 'px';
            el.style.display = 'table-cell';
            el.style.verticalalign = 'top'
        }
        this.slide(this.index, 0);
        this.container.style.visibility = origvisibility
    },
    slide: function (index, duration) {
        var style = this.element.style;
        if (duration == undefined) {
            duration = this.speed
        }
        style.webkittransitionduration = style.moztransitionduration = style.mstransitionduration = style.otransitionduration = style.transitionduration = duration + 'ms';
        style.moztransform = style.webkittransform = 'translate3d(' + -(index * this.width) + 'px,0,0)';
        style.mstransform = style.otransform = 'translatex(' + -(index * this.width) + 'px)';
        this.index = index
    },
    getpos: function () {
        return this.index
    },
    prev: function (delay) {
        this.delay = delay || 0;
        cleartimeout(this.interval);
        if (this.index) this.slide(this.index - 1, this.speed);
        else this.slide(this.length - 1, this.speed)
    },
    next: function (delay) {
        this.delay = delay || 0;
        cleartimeout(this.interval);
        if (this.index < this.length - 1) this.slide(this.index + 1, this.speed);
        else this.slide(0, this.speed)
    },
    begin: function () {
        var _this = this;
        this.interval = (this.delay) ? settimeout(function () {
            _this.next(_this.delay)
        }, this.delay) : 0
    },
    stop: function () {
        this.delay = 0;
        cleartimeout(this.interval)
    },
    resume: function () {
        this.delay = this.options.auto || 0;
        this.begin()
    },
    handleevent: function (e) {
        switch (e.type) {
        case 'touchstart':
            this.ontouchstart(e);
            break;
        case 'touchmove':
            this.ontouchmove(e);
            break;
        case 'touchcancel':
        case 'touchend':
            this.ontouchend(e);
            break;
        case 'webkittransitionend':
        case 'mstransitionend':
        case 'otransitionend':
        case 'transitionend':
            this.transitionend(e);
            break;
        case 'resize':
            this.setup();
            break
        }
    },
    transitionend: function (e) {
        if (this.delay) this.begin();
        this.callback(e, this.index, this.slides[this.index])
    },
    ontouchstart: function (e) {
        this.start = {
            pagex: e.touches[0].pagex,
            pagey: e.touches[0].pagey,
            time: number(new date())
        };
        this.isscrolling = undefined;
        this.deltax = 0;
        this.element.style.moztransitionduration = this.element.style.webkittransitionduration = 0;
        e.stoppropagation()
    },
    ontouchmove: function (e) {
        if (e.touches.length > 1 || e.scale && e.scale !== 1) return;
        this.deltax = e.touches[0].pagex - this.start.pagex;
        if (typeof this.isscrolling == 'undefined') {
            this.isscrolling = !! (this.isscrolling || math.abs(this.deltax) < math.abs(e.touches[0].pagey - this.start.pagey))
        }
        if (!this.isscrolling) {
            e.preventdefault();
            cleartimeout(this.interval);
            this.deltax = this.deltax / ((!this.index && this.deltax > 0 || this.index == this.length - 1 && this.deltax < 0) ? (math.abs(this.deltax) / this.width + 1) : 1);
            this.element.style.moztransform = this.element.style.webkittransform = 'translate3d(' + (this.deltax - this.index * this.width) + 'px,0,0)';
            e.stoppropagation()
        }
    },
    ontouchend: function (e) {
        var isvalidslide = number(new date()) - this.start.time < 250 && math.abs(this.deltax) > 20 || math.abs(this.deltax) > this.width / 2,
            ispastbounds = !this.index && this.deltax > 0 || this.index == this.length - 1 && this.deltax < 0;
        if (!this.isscrolling) {
            this.slide(this.index + (isvalidslide && !ispastbounds ? (this.deltax < 0 ? 1 : -1) : 0), this.speed)
        }
        e.stoppropagation()
    }
};