(function ($, undefined) {
    'use strict';
    var defaults = {
        item: 3,
        autowidth: false,
        slidemove: 1,
        slidemargin: 10,
        addclass: '',
        mode: 'slide',
        usecss: true,
        csseasing: 'ease', //'cubic-bezier(0.25, 0, 0.25, 1)',
        easing: 'linear', //'for jquery animation',//
        speed: 400, //ms'
        auto: false,
        pauseonhover: false,
        loop: false,
        slideendanimation: true,
        pause: 2000,
        keypress: false,
        controls: true,
        prevhtml: '',
        nexthtml: '',
        rtl: false,
        adaptiveheight: false,
        vertical: false,
        verticalheight: 500,
        vthumbwidth: 100,
        thumbitem: 10,
        pager: true,
        gallery: false,
        gallerymargin: 5,
        thumbmargin: 5,
        currentpagerposition: 'middle',
        enabletouch: true,
        enabledrag: true,
        freemove: true,
        swipethreshold: 40,
        responsive: [],
        /* jshint ignore:start */
        onbeforestart: function ($el) {},
        onsliderload: function ($el) {},
        onbeforeslide: function ($el, scene) {},
        onafterslide: function ($el, scene) {},
        onbeforenextslide: function ($el, scene) {},
        onbeforeprevslide: function ($el, scene) {}
        /* jshint ignore:end */
    };
    $.fn.lightslider = function (options) {
        if (this.length === 0) {
            return this;
        }

        if (this.length > 1) {
            this.each(function () {
                $(this).lightslider(options);
            });
            return this;
        }

        var plugin = {},
            settings = $.extend(true, {}, defaults, options),
            settingstemp = {},
            $el = this;
        plugin.$el = this;

        if (settings.mode === 'fade') {
            settings.vertical = false;
        }
        var $children = $el.children(),
            windoww = $(window).width(),
            breakpoint = null,
            resposiveobj = null,
            length = 0,
            w = 0,
            on = false,
            elsize = 0,
            $slide = '',
            scene = 0,
            property = (settings.vertical === true) ? 'height' : 'width',
            gutter = (settings.vertical === true) ? 'margin-bottom' : 'margin-right',
            slidevalue = 0,
            pagerwidth = 0,
            slidewidth = 0,
            thumbwidth = 0,
            interval = null,
            istouch = ('ontouchstart' in document.documentelement);
        var refresh = {};

        refresh.chbreakpoint = function () {
            windoww = $(window).width();
            if (settings.responsive.length) {
                var item;
                if (settings.autowidth === false) {
                    item = settings.item;
                }
                if (windoww < settings.responsive[0].breakpoint) {
                    for (var i = 0; i < settings.responsive.length; i++) {
                        if (windoww < settings.responsive[i].breakpoint) {
                            breakpoint = settings.responsive[i].breakpoint;
                            resposiveobj = settings.responsive[i];
                        }
                    }
                }
                if (typeof resposiveobj !== 'undefined' && resposiveobj !== null) {
                    for (var j in resposiveobj.settings) {
                        if (resposiveobj.settings.hasownproperty(j)) {
                            if (typeof settingstemp[j] === 'undefined' || settingstemp[j] === null) {
                                settingstemp[j] = settings[j];
                            }
                            settings[j] = resposiveobj.settings[j];
                        }
                    }
                }
                if (!$.isemptyobject(settingstemp) && windoww > settings.responsive[0].breakpoint) {
                    for (var k in settingstemp) {
                        if (settingstemp.hasownproperty(k)) {
                            settings[k] = settingstemp[k];
                        }
                    }
                }
                if (settings.autowidth === false) {
                    if (slidevalue > 0 && slidewidth > 0) {
                        if (item !== settings.item) {
                            scene = math.round(slidevalue / ((slidewidth + settings.slidemargin) * settings.slidemove));
                        }
                    }
                }
            }
        };

        refresh.calsw = function () {
            if (settings.autowidth === false) {
                slidewidth = (elsize - ((settings.item * (settings.slidemargin)) - settings.slidemargin)) / settings.item;
            }
        };

        refresh.calwidth = function (cln) {
            var ln = cln === true ? $slide.find('.lslide').length : $children.length;
            if (settings.autowidth === false) {
                w = ln * (slidewidth + settings.slidemargin);
            } else {
                w = 0;
                for (var i = 0; i < ln; i++) {
                    w += (parseint($children.eq(i).width()) + settings.slidemargin);
                }
            }
            return w;
        };
        plugin = {
            docss: function () {
                var support = function () {
                    var transition = ['transition', 'moztransition', 'webkittransition', 'otransition', 'mstransition', 'khtmltransition'];
                    var root = document.documentelement;
                    for (var i = 0; i < transition.length; i++) {
                        if (transition[i] in root.style) {
                            return true;
                        }
                    }
                };
                if (settings.usecss && support()) {
                    return true;
                }
                return false;
            },
            keypress: function () {
                if (settings.keypress) {
                    $(document).on('keyup.lightslider', function (e) {
                        if (!$(':focus').is('input, textarea')) {
                            if (e.preventdefault) {
                                e.preventdefault();
                            } else {
                                e.returnvalue = false;
                            }
                            if (e.keycode === 37) {
                                $el.gotoprevslide();
                            } else if (e.keycode === 39) {
                                $el.gotonextslide();
                            }
                        }
                    });
                }
            },
            controls: function () {
                if (settings.controls) {
                   /* $el.after('<div class="lsaction"><a class="lsprev">' + settings.prevhtml + '</a><a class="lsnext">' + settings.nexthtml + '</a></div>');*/
                    if (!settings.autowidth) {
                        if (length <= settings.item) {
                            $slide.find('.lsaction').hide();
                        }
                    } else {
                        if (refresh.calwidth(false) < elsize) {
                            $slide.find('.lsaction').hide();
                        }
                    }
                    $slide.parents('.item').find('.lsaction a').on('click', function (e) {
                        if (e.preventdefault) {
                            e.preventdefault();
                        } else {
                            e.returnvalue = false;
                        }
                        if ($(this).attr('class') === 'lsprev') {
                            $el.gotoprevslide();
                        } else {
                            $el.gotonextslide();
                        }
                        return false;
                    });
                }
            },
            initialstyle: function () {
                var $this = this;
                if (settings.mode === 'fade') {
                    settings.autowidth = false;
                    settings.slideendanimation = false;
                }
                if (settings.auto) {
                    settings.slideendanimation = false;
                }
                if (settings.autowidth) {
                    settings.slidemove = 1;
                    settings.item = 1;
                }
                if (settings.loop) {
                    settings.slidemove = 1;
                    settings.freemove = false;
                }
                settings.onbeforestart.call(this, $el);
                refresh.chbreakpoint();
                $el.addclass('lightslider').wrap('<div class="lsslideouter ' + settings.addclass + '"><div class="lsslidewrapper"></div></div>');
                $slide = $el.parent('.lsslidewrapper');
                if (settings.rtl === true) {
                    $slide.parent().addclass('lsrtl');
                }
                if (settings.vertical) {
                    $slide.parent().addclass('vertical');
                    elsize = settings.verticalheight;
                    $slide.css('height', elsize + 'px');
                } else {
                    elsize = $el.outerwidth();
                }
                $children.addclass('lslide');
                if (settings.loop === true && settings.mode === 'slide') {
                    refresh.calsw();
                    refresh.clone = function () {
                        if (refresh.calwidth(true) > elsize) {
                            /**/
                            var twr = 0,
                                ti = 0;
                            for (var k = 0; k < $children.length; k++) {
                                twr += (parseint($el.find('.lslide').eq(k).width()) + settings.slidemargin);
                                ti++;
                                if (twr >= (elsize + settings.slidemargin)) {
                                    break;
                                }
                            }
                            var titem = settings.autowidth === true ? ti : settings.item;

                            /**/
                            if (titem < $el.find('.clone.left').length) {
                                for (var i = 0; i < $el.find('.clone.left').length - titem; i++) {
                                    $children.eq(i).remove();
                                }
                            }
                            if (titem < $el.find('.clone.right').length) {
                                for (var j = $children.length - 1; j > ($children.length - 1 - $el.find('.clone.right').length); j--) {
                                    scene--;
                                    $children.eq(j).remove();
                                }
                            }
                            /**/
                            for (var n = $el.find('.clone.right').length; n < titem; n++) {
                                $el.find('.lslide').eq(n).clone().removeclass('lslide').addclass('clone right').appendto($el);
                                scene++;
                            }
                            for (var m = $el.find('.lslide').length - $el.find('.clone.left').length; m > ($el.find('.lslide').length - titem); m--) {
                                $el.find('.lslide').eq(m - 1).clone().removeclass('lslide').addclass('clone left').prependto($el);
                            }
                            $children = $el.children();
                        } else {
                            if ($children.hasclass('clone')) {
                                $el.find('.clone').remove();
                                $this.move($el, 0);
                            }
                        }
                    };
                    refresh.clone();
                }
                refresh.ssw = function () {
                    length = $children.length;
                    if (settings.rtl === true && settings.vertical === false) {
                        gutter = 'margin-left';
                    }
                    if (settings.autowidth === false) {
                        $children.css(property, slidewidth + 'px');
                    }
                    $children.css(gutter, settings.slidemargin + 'px');
                    w = refresh.calwidth(false);
                    $el.css(property, w + 'px');
                    if (settings.loop === true && settings.mode === 'slide') {
                        if (on === false) {
                            scene = $el.find('.clone.left').length;
                        }
                    }
                };
                refresh.call = function () {
                    $children = $el.children();
                    length = $children.length;
                };
                if (this.docss()) {
                    $slide.addclass('usingcss');
                }
                refresh.call();
                if (settings.mode === 'slide') {
                    refresh.calsw();
                    refresh.ssw();
                    if (settings.loop === true) {
                        slidevalue = $this.slidevalue();
                        this.move($el, slidevalue);
                    }
                    if (settings.vertical === false) {
                        this.setheight($el, false);
                    }

                } else {
                    this.setheight($el, true);
                    $el.addclass('lsfade');
                    if (!this.docss()) {
                        $children.fadeout(0);
                        $children.eq(scene).fadein(0);
                    }
                }
                if (settings.loop === true && settings.mode === 'slide') {
                    $children.eq(scene).addclass('active');
                } else {
                    $children.first().addclass('active');
                }
            },
            pager: function () {
                var $this = this;
                refresh.createpager = function () {
                    thumbwidth = (elsize - ((settings.thumbitem * (settings.thumbmargin)) - settings.thumbmargin)) / settings.thumbitem;
                    var $children = $slide.find('.lslide');
                    var length = $slide.find('.lslide').length;
                    var i = 0,
                        pagers = '',
                        v = 0;
                    for (i = 0; i < length; i++) {
                        if (settings.mode === 'slide') {
                            // calculate scene * slide value
                            if (!settings.autowidth) {
                                v = i * ((slidewidth + settings.slidemargin) * settings.slidemove);
                            } else {
                                v += ((parseint($children.eq(i).width()) + settings.slidemargin) * settings.slidemove);
                            }
                        }
                        var thumb = $children.eq(i * settings.slidemove).attr('data-thumb');
                        if (settings.gallery === true) {
                            pagers += '<li style="width:100%;' + property + ':' + thumbwidth + 'px;' + gutter + ':' + settings.thumbmargin + 'px"><a href="#"><img src="' + thumb + '" /></a></li>';
                        } else {
                            pagers += '<li><a href="#">' + (i + 1) + '</a></li>';
                        }
                        if (settings.mode === 'slide') {
                            if ((v) >= w - elsize - settings.slidemargin) {
                                i = i + 1;
                                var minpgr = 2;
                                if (settings.autowidth) {
                                    pagers += '<li><a href="#">' + (i + 1) + '</a></li>';
                                    minpgr = 1;
                                }
                                if (i < minpgr) {
                                    pagers = null;
                                    $slide.parent().addclass('nopager');
                                } else {
                                    $slide.parent().removeclass('nopager');
                                }
                                break;
                            }
                        }
                    }
                    var $csouter = $slide.parent();
                    $csouter.find('.lspager').html(pagers); 
                    if (settings.gallery === true) {
                        if (settings.vertical === true) {
                            // set gallery thumbnail width
                            $csouter.find('.lspager').css('width', settings.vthumbwidth + 'px');
                        }
                        pagerwidth = (i * (settings.thumbmargin + thumbwidth)) + 0.5;
                        $csouter.find('.lspager').css({
                            property: pagerwidth + 'px',
                            'transition-duration': settings.speed + 'ms'
                        });
                        if (settings.vertical === true) {
                            $slide.parent().css('padding-right', (settings.vthumbwidth + settings.gallerymargin) + 'px');
                        }
                        $csouter.find('.lspager').css(property, pagerwidth + 'px');
                    }
                    var $pager = $csouter.find('.lspager').find('li');
                    $pager.first().addclass('active');
                    $pager.on('click', function () {
                        if (settings.loop === true && settings.mode === 'slide') {
                            scene = scene + ($pager.index(this) - $csouter.find('.lspager').find('li.active').index());
                        } else {
                            scene = $pager.index(this);
                        }
                        $el.mode(false);
                        if (settings.gallery === true) {
                            $this.slidethumb();
                        }
                        return false;
                    });
                };
                if (settings.pager) {
                    var cl = 'lspg';
                    if (settings.gallery) {
                        cl = 'lsgallery';
                    }
                    $slide.after('<ul class="lspager ' + cl + '"></ul>');
                    var gmargin = (settings.vertical) ? 'margin-left' : 'margin-top';
                    $slide.parent().find('.lspager').css(gmargin, settings.gallerymargin + 'px');
                    refresh.createpager();
                }

                settimeout(function () {
                    refresh.init();
                }, 0);
            },
            setheight: function (ob, fade) {
                var obj = null,
                    $this = this;
                if (settings.loop) {
                    obj = ob.children('.lslide ').first();
                } else {
                    obj = ob.children().first();
                }
                var setcss = function () {
                    var th = obj.outerheight(),
                        tp = 0,
                        tht = th;
                    if (fade) {
                        th = 0;
                        tp = ((tht) * 100) / elsize;
                    }
                    ob.css({
                        'height': th + 'px',
                        'padding-bottom': tp + '%'
                    });
                };
                setcss();
                if (obj.find('img').length) {
                    if ( obj.find('img')[0].complete) {
                        setcss();
                        if (!interval) {
                            $this.auto();
                        }   
                    }else{
                        obj.find('img').load(function () {
                            settimeout(function () {
                                setcss();
                                if (!interval) {
                                    $this.auto();
                                }
                            }, 100);
                        });
                    }
                }else{
                    if (!interval) {
                        $this.auto();
                    }
                }
            },
            active: function (ob, t) {
                if (this.docss() && settings.mode === 'fade') {
                    $slide.addclass('on');
                }
                var sc = 0;
                if (scene * settings.slidemove < length) {
                    ob.removeclass('active');
                    if (!this.docss() && settings.mode === 'fade' && t === false) {
                        ob.fadeout(settings.speed);
                    }
                    if (t === true) {
                        sc = scene;
                    } else {
                        sc = scene * settings.slidemove;
                    }
                    //t === true ? sc = scene : sc = scene * settings.slidemove;
                    var l, nl;
                    if (t === true) {
                        l = ob.length;
                        nl = l - 1;
                        if (sc + 1 >= l) {
                            sc = nl;
                        }
                    }
                    if (settings.loop === true && settings.mode === 'slide') {
                        //t === true ? sc = scene - $el.find('.clone.left').length : sc = scene * settings.slidemove;
                        if (t === true) {
                            sc = scene - $el.find('.clone.left').length;
                        } else {
                            sc = scene * settings.slidemove;
                        }
                        if (t === true) {
                            l = ob.length;
                            nl = l - 1;
                            if (sc + 1 === l) {
                                sc = nl;
                            } else if (sc + 1 > l) {
                                sc = 0;
                            }
                        }
                    }

                    if (!this.docss() && settings.mode === 'fade' && t === false) {
                        ob.eq(sc).fadein(settings.speed);
                    }
                    ob.eq(sc).addclass('active');
                } else {
                    ob.removeclass('active');
                    ob.eq(ob.length - 1).addclass('active');
                    if (!this.docss() && settings.mode === 'fade' && t === false) {
                        ob.fadeout(settings.speed);
                        ob.eq(sc).fadein(settings.speed);
                    }
                }
            },
            move: function (ob, v) {
                if (settings.rtl === true) {
                    v = -v;
                }
                if (this.docss()) {
                    if (settings.vertical === true) {
                        ob.css({
                            'transform': 'translate3d(0px, ' + (-v) + 'px, 0px)',
                            '-webkit-transform': 'translate3d(0px, ' + (-v) + 'px, 0px)'
                        });
                    } else {
                        ob.css({
                            'transform': 'translate3d(' + (-v) + 'px, 0px, 0px)',
                            '-webkit-transform': 'translate3d(' + (-v) + 'px, 0px, 0px)',
                        });
                    }
                } else {
                    if (settings.vertical === true) {
                        ob.css('position', 'relative').animate({
                            top: -v + 'px'
                        }, settings.speed, settings.easing);
                    } else {
                        ob.css('position', 'relative').animate({
                            left: -v + 'px'
                        }, settings.speed, settings.easing);
                    }
                }
                var $thumb = $slide.parent().find('.lspager').find('li');
                this.active($thumb, true);
            },
            fade: function () {
                this.active($children, false);
                var $thumb = $slide.parent().find('.lspager').find('li');
                this.active($thumb, true);
            },
            slide: function () {
                var $this = this;
                refresh.calslide = function () {
                    if (w > elsize) {
                        slidevalue = $this.slidevalue();
                        $this.active($children, false);
                        if ((slidevalue) > w - elsize - settings.slidemargin) {
                            slidevalue = w - elsize - settings.slidemargin;
                        } else if (slidevalue < 0) {
                            slidevalue = 0;
                        }
                        $this.move($el, slidevalue);
                        if (settings.loop === true && settings.mode === 'slide') {
                            if (scene >= (length - ($el.find('.clone.left').length / settings.slidemove))) {
                                $this.resetslide($el.find('.clone.left').length);
                            }
                            if (scene === 0) {
                                $this.resetslide($slide.find('.lslide').length);
                            }
                        }
                    }
                };
                refresh.calslide();
            },
            resetslide: function (s) {
                var $this = this;
                $slide.find('.lsaction a').addclass('disabled');
                settimeout(function () {
                    scene = s;
                    $slide.css('transition-duration', '0ms');
                    slidevalue = $this.slidevalue();
                    $this.active($children, false);
                    plugin.move($el, slidevalue);
                    settimeout(function () {
                        $slide.css('transition-duration', settings.speed + 'ms');
                        $slide.find('.lsaction a').removeclass('disabled');
                    }, 50);
                }, settings.speed + 100);
            },
            slidevalue: function () {
                var _sv = 0;
                if (settings.autowidth === false) {
                    _sv = scene * ((slidewidth + settings.slidemargin) * settings.slidemove);
                } else {
                    _sv = 0;
                    for (var i = 0; i < scene; i++) {
                        _sv += (parseint($children.eq(i).width()) + settings.slidemargin);
                    }
                }
                return _sv;
            },
            slidethumb: function () {
                var position;
                switch (settings.currentpagerposition) {
                case 'left':
                    position = 0;
                    break;
                case 'middle':
                    position = (elsize / 2) - (thumbwidth / 2);
                    break;
                case 'right':
                    position = elsize - thumbwidth;
                }
                var sc = scene - $el.find('.clone.left').length;
                var $pager = $slide.parent().find('.lspager');
                if (settings.mode === 'slide' && settings.loop === true) {
                    if (sc >= $pager.children().length) {
                        sc = 0;
                    } else if (sc < 0) {
                        sc = $pager.children().length;
                    }
                }
                var thumbslide = sc * ((thumbwidth + settings.thumbmargin)) - (position);
                if ((thumbslide + elsize) > pagerwidth) {
                    thumbslide = pagerwidth - elsize - settings.thumbmargin;
                }
                if (thumbslide < 0) {
                    thumbslide = 0;
                }
                this.move($pager, thumbslide);
            },
            auto: function () {
                if (settings.auto) {
                    clearinterval(interval);
                    interval = setinterval(function () {
                        $el.gotonextslide();
                    }, settings.pause);
                }
            },
            pauseonhover: function(){
                var $this = this;
                if (settings.auto && settings.pauseonhover) {
                    $slide.on('mouseenter', function(){
                        $(this).addclass('ls-hover');
                        $el.pause();
                        settings.auto = true;
                    });
                    $slide.on('mouseleave',function(){
                        $(this).removeclass('ls-hover');
                        if (!$slide.find('.lightslider').hasclass('lsgrabbing')) {
                            $this.auto();
                        }
                    });
                }
            },
            touchmove: function (endcoords, startcoords) {
                $slide.css('transition-duration', '0ms');
                if (settings.mode === 'slide') {
                    var distance = endcoords - startcoords;
                    var swipeval = slidevalue - distance;
                    if ((swipeval) >= w - elsize - settings.slidemargin) {
                        if (settings.freemove === false) {
                            swipeval = w - elsize - settings.slidemargin;
                        } else {
                            var swipevalt = w - elsize - settings.slidemargin;
                            swipeval = swipevalt + ((swipeval - swipevalt) / 5);

                        }
                    } else if (swipeval < 0) {
                        if (settings.freemove === false) {
                            swipeval = 0;
                        } else {
                            swipeval = swipeval / 5;
                        }
                    }
                    this.move($el, swipeval);
                }
            },

            touchend: function (distance) {
                $slide.css('transition-duration', settings.speed + 'ms');
                if (settings.mode === 'slide') {
                    var mxval = false;
                    var _next = true;
                    slidevalue = slidevalue - distance;
                    if ((slidevalue) > w - elsize - settings.slidemargin) {
                        slidevalue = w - elsize - settings.slidemargin;
                        if (settings.autowidth === false) {
                            mxval = true;
                        }
                    } else if (slidevalue < 0) {
                        slidevalue = 0;
                    }
                    var gc = function (next) {
                        var ad = 0;
                        if (!mxval) {
                            if (next) {
                                ad = 1;
                            }
                        }
                        if (!settings.autowidth) {
                            var num = slidevalue / ((slidewidth + settings.slidemargin) * settings.slidemove);
                            scene = parseint(num) + ad;
                            if (slidevalue >= (w - elsize - settings.slidemargin)) {
                                if (num % 1 !== 0) {
                                    scene++;
                                }
                            }
                        } else {
                            var tw = 0;
                            for (var i = 0; i < $children.length; i++) {
                                tw += (parseint($children.eq(i).width()) + settings.slidemargin);
                                scene = i + ad;
                                if (tw >= slidevalue) {
                                    break;
                                }
                            }
                        }
                    };
                    if (distance >= settings.swipethreshold) {
                        gc(false);
                        _next = false;
                    } else if (distance <= -settings.swipethreshold) {
                        gc(true);
                        _next = false;
                    }
                    $el.mode(_next);
                    this.slidethumb();
                } else {
                    if (distance >= settings.swipethreshold) {
                        $el.gotoprevslide();
                    } else if (distance <= -settings.swipethreshold) {
                        $el.gotonextslide();
                    }
                }
            },



            enabledrag: function () {
                var $this = this;
                if (!istouch) {
                    var startcoords = 0,
                        endcoords = 0,
                        isdraging = false;
                    $slide.find('.lightslider').addclass('lsgrab');
                    $slide.on('mousedown', function (e) {
                        if (w < elsize) {
                            if (w !== 0) {
                                return false;
                            }
                        }
                        if ($(e.target).attr('class') !== ('lsprev') && $(e.target).attr('class') !== ('lsnext')) {
                            startcoords = (settings.vertical === true) ? e.pagey : e.pagex;
                            isdraging = true;
                            if (e.preventdefault) {
                                e.preventdefault();
                            } else {
                                e.returnvalue = false;
                            }
                            // ** fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723
                            $slide.scrollleft += 1;
                            $slide.scrollleft -= 1;
                            // *
                            $slide.find('.lightslider').removeclass('lsgrab').addclass('lsgrabbing');
                            clearinterval(interval);
                        }
                    });
                    $(window).on('mousemove', function (e) {
                        if (isdraging) {
                            endcoords = (settings.vertical === true) ? e.pagey : e.pagex;
                            $this.touchmove(endcoords, startcoords);
                        }
                    });
                    $(window).on('mouseup', function (e) {
                        if (isdraging) {
                            $slide.find('.lightslider').removeclass('lsgrabbing').addclass('lsgrab');
                            isdraging = false;
                            endcoords = (settings.vertical === true) ? e.pagey : e.pagex;
                            var distance = endcoords - startcoords;
                            if (math.abs(distance) >= settings.swipethreshold) {
                                $(window).on('click.ls', function (e) {
                                    if (e.preventdefault) {
                                        e.preventdefault();
                                    } else {
                                        e.returnvalue = false;
                                    }
                                    e.stopimmediatepropagation();
                                    e.stoppropagation();
                                    $(window).off('click.ls');
                                });
                            }

                            $this.touchend(distance);

                        }
                    });
                }
            },




            enabletouch: function () {
                var $this = this;
                if (istouch) {
                    var startcoords = {},
                        endcoords = {};
                    $slide.on('touchstart', function (e) {
                        endcoords = e.originalevent.targettouches[0];
                        startcoords.pagex = e.originalevent.targettouches[0].pagex;
                        startcoords.pagey = e.originalevent.targettouches[0].pagey;
                        clearinterval(interval);
                    });
                    $slide.on('touchmove', function (e) {
                        if (w < elsize) {
                            if (w !== 0) {
                                return false;
                            }
                        }
                        var orig = e.originalevent;
                        endcoords = orig.targettouches[0];
                        var xmovement = math.abs(endcoords.pagex - startcoords.pagex);
                        var ymovement = math.abs(endcoords.pagey - startcoords.pagey);
                        if (settings.vertical === true) {
                            if ((ymovement * 3) > xmovement) {
                                e.preventdefault();
                            }
                            $this.touchmove(endcoords.pagey, startcoords.pagey);
                        } else {
                            if ((xmovement * 3) > ymovement) {
                                e.preventdefault();
                            }
                            $this.touchmove(endcoords.pagex, startcoords.pagex);
                        }

                    });
                    $slide.on('touchend', function () {
                        if (w < elsize) {
                            if (w !== 0) {
                                return false;
                            }
                        }
                        var distance;
                        if (settings.vertical === true) {
                            distance = endcoords.pagey - startcoords.pagey;
                        } else {
                            distance = endcoords.pagex - startcoords.pagex;
                        }
                        $this.touchend(distance);
                    });
                }
            },
            build: function () {
                var $this = this;
                $this.initialstyle();
                if (this.docss()) {

                    if (settings.enabletouch === true) {
                        $this.enabletouch();
                    }
                    if (settings.enabledrag === true) {
                        $this.enabledrag();
                    }
                }

                $(window).on('focus', function(){
                    $this.auto();
                });
                
                $(window).on('blur', function(){
                    clearinterval(interval);
                });

                $this.pager();
                $this.pauseonhover();
                $this.controls();
                $this.keypress();
            }
        };
        plugin.build();
        refresh.init = function () {
            refresh.chbreakpoint();
            if (settings.vertical === true) {
                if (settings.item > 1) {
                    elsize = settings.verticalheight;
                } else {
                    elsize = $children.outerheight();
                }
                $slide.css('height', elsize + 'px');
            } else {
                elsize = $slide.outerwidth();
            }
            if (settings.loop === true && settings.mode === 'slide') {
                refresh.clone();
            }
            refresh.call();
            if (settings.mode === 'slide') {
                $el.removeclass('lsslide');
            }
            if (settings.mode === 'slide') {
                refresh.calsw();
                refresh.ssw();
            }
            settimeout(function () {
                if (settings.mode === 'slide') {
                    $el.addclass('lsslide');
                }
            }, 1000);
            if (settings.pager) {
                refresh.createpager();
            }
            if (settings.adaptiveheight === true && settings.vertical === false) {
                $el.css('height', $children.eq(scene).outerheight(true));
            }
            if (settings.adaptiveheight === false) {
                if (settings.mode === 'slide') {
                    if (settings.vertical === false) {
                        plugin.setheight($el, false);
                    }else{
                        plugin.auto();
                    }
                } else {
                    plugin.setheight($el, true);
                }
            }
            if (settings.gallery === true) {
                plugin.slidethumb();
            }
            if (settings.mode === 'slide') {
                plugin.slide();
            }
            if (settings.autowidth === false) {
                if ($children.length <= settings.item) {
                    $slide.find('.lsaction').hide();
                } else {
                    $slide.find('.lsaction').show();
                }
            } else {
                if ((refresh.calwidth(false) < elsize) && (w !== 0)) {
                    $slide.find('.lsaction').hide();
                } else {
                    $slide.find('.lsaction').show();
                }
            }
        };
        $el.gotoprevslide = function () {
            if (scene > 0) {
                settings.onbeforeprevslide.call(this, $el, scene);
                scene--;
                $el.mode(false);
                if (settings.gallery === true) {
                    plugin.slidethumb();
                }
            } else {
                if (settings.loop === true) {
                    settings.onbeforeprevslide.call(this, $el, scene);
                    if (settings.mode === 'fade') {
                        var l = (length - 1);
                        scene = parseint(l / settings.slidemove);
                    }
                    $el.mode(false);
                    if (settings.gallery === true) {
                        plugin.slidethumb();
                    }
                } else if (settings.slideendanimation === true) {
                    $el.addclass('leftend');
                    settimeout(function () {
                        $el.removeclass('leftend');
                    }, 400);
                }
            }
        };
        $el.gotonextslide = function () {
            var nexti = true;
            if (settings.mode === 'slide') {
                var _slidevalue = plugin.slidevalue();
                nexti = _slidevalue < w - elsize - settings.slidemargin;
            }
            if (((scene * settings.slidemove) < length - settings.slidemove) && nexti) {
                settings.onbeforenextslide.call(this, $el, scene);
                scene++;
                $el.mode(false);
                if (settings.gallery === true) {
                    plugin.slidethumb();
                }
            } else {
                if (settings.loop === true) {
                    settings.onbeforenextslide.call(this, $el, scene);
                    scene = 0;
                    $el.mode(false);
                    if (settings.gallery === true) {
                        plugin.slidethumb();
                    }
                } else if (settings.slideendanimation === true) {
                    $el.addclass('rightend');
                    settimeout(function () {
                        $el.removeclass('rightend');
                    }, 400);
                }
            }
        };
        $el.mode = function (_touch) {
            if (settings.adaptiveheight === true && settings.vertical === false) {
                $el.css('height', $children.eq(scene).outerheight(true));
            }
            if (on === false) {
                if (settings.mode === 'slide') {
                    if (plugin.docss()) {
                        $el.addclass('lsslide');
                        if (settings.speed !== '') {
                            $slide.css('transition-duration', settings.speed + 'ms');
                        }
                        if (settings.csseasing !== '') {
                            $slide.css('transition-timing-function', settings.csseasing);
                        }
                    }
                } else {
                    if (plugin.docss()) {
                        if (settings.speed !== '') {
                            $el.css('transition-duration', settings.speed + 'ms');
                        }
                        if (settings.csseasing !== '') {
                            $el.css('transition-timing-function', settings.csseasing);
                        }
                    }
                }
            }
            if (!_touch) {
                settings.onbeforeslide.call(this, $el, scene);
            }
            if (settings.mode === 'slide') {
                plugin.slide();
            } else {
                plugin.fade();
            }
            if (!$slide.hasclass('ls-hover')) {
                plugin.auto();
            }
            settimeout(function () {
                if (!_touch) {
                    settings.onafterslide.call(this, $el, scene);
                }
            }, settings.speed);
            on = true;
        };
        $el.play = function () {
            $el.gotonextslide();
            settings.auto = true;
            plugin.auto();
        };
        $el.pause = function () {
            settings.auto = false;
            clearinterval(interval);
        };
        $el.refresh = function () {
            refresh.init();
        };
        $el.getcurrentslidecount = function () {
            var sc = scene;
            if (settings.loop) {
                var ln = $slide.find('.lslide').length,
                    cl = $el.find('.clone.left').length;
                if (scene <= cl - 1) {
                    sc = ln + (scene - cl);
                } else if (scene >= (ln + cl)) {
                    sc = scene - ln - cl;
                } else {
                    sc = scene - cl;
                }
            }
            return sc + 1;
        }; 
        $el.gettotalslidecount = function () {
            return $slide.find('.lslide').length;
        };
        $el.gotoslide = function (s) {
            if (settings.loop) {
                scene = (s + $el.find('.clone.left').length - 1);
            } else {
                scene = s;
            }
            $el.mode(false);
            if (settings.gallery === true) {
                plugin.slidethumb();
            }
        };
        $el.destroy = function () {
            if ($el.lightslider) {
                $el.gotoprevslide = function(){};
                $el.gotonextslide = function(){};
                $el.mode = function(){};
                $el.play = function(){};
                $el.pause = function(){};
                $el.refresh = function(){};
                $el.getcurrentslidecount = function(){};
                $el.gettotalslidecount = function(){};
                $el.gotoslide = function(){}; 
                $el.lightslider = null;
                refresh = {
                    init : function(){}
                };
                $el.parent().parent().find('.lsaction, .lspager').remove();
                $el.removeclass('lightslider lsfade lsslide lsgrab lsgrabbing leftend right').removeattr('style').unwrap().unwrap();
                $el.children().removeattr('style');
                $children.removeclass('lslide active');
                $el.find('.clone').remove();
                $children = null;
                interval = null;
                on = false;
                scene = 0;
            }

        };
        settimeout(function () {
            settings.onsliderload.call(this, $el);
        }, 10);
        $(window).on('resize orientationchange', function (e) {
            settimeout(function () {
                if (e.preventdefault) {
                    e.preventdefault();
                } else {
                    e.returnvalue = false;
                }
                refresh.init();
            }, 200);
        });
        return this;
    };
}(jquery));