/*
 * jquery flexslider v2.2.0
 * copyright 2012 woothemes
 * contributing author: tyler smith
 */
;
(function ($) {

  //flexslider: object instance
  $.flexslider = function(el, options) {
    var slider = $(el);

    // making variables public
    slider.vars = $.extend({}, $.flexslider.defaults, options);

    var namespace = slider.vars.namespace,
        msgesture = window.navigator && window.navigator.mspointerenabled && window.msgesture,
        touch = (( "ontouchstart" in window ) || msgesture || window.documenttouch && document instanceof documenttouch) && slider.vars.touch,
        // depricating this idea, as devices are being released with both of these events
        //eventtype = (touch) ? "touchend" : "click",
        eventtype = "click touchend mspointerup",
        watchedevent = "",
        watchedeventcleartimer,
        vertical = slider.vars.direction === "vertical",
        reverse = slider.vars.reverse,
        carousel = (slider.vars.itemwidth > 0),
        fade = slider.vars.animation === "fade",
        asnav = slider.vars.asnavfor !== "",
        methods = {},
        focused = true;

    // store a reference to the slider object
    $.data(el, "flexslider", slider);

    // private slider methods
    methods = {
      init: function() {
        slider.animating = false;
        // get current slide and make sure it is a number
        slider.currentslide = parseint( ( slider.vars.startat ? slider.vars.startat : 0) );
        if ( isnan( slider.currentslide ) ) slider.currentslide = 0;
        slider.animatingto = slider.currentslide;
        slider.atend = (slider.currentslide === 0 || slider.currentslide === slider.last);
        slider.containerselector = slider.vars.selector.substr(0,slider.vars.selector.search(' '));
        slider.slides = $(slider.vars.selector, slider);
        slider.container = $(slider.containerselector, slider);
        slider.count = slider.slides.length;
        // sync:
        slider.syncexists = $(slider.vars.sync).length > 0;
        // slide:
        if (slider.vars.animation === "slide") slider.vars.animation = "swing";
        slider.prop = (vertical) ? "top" : "marginleft";
        slider.args = {};
        // slideshow:
        slider.manualpause = false;
        slider.stopped = false;
        //pause when invisible
        slider.started = false;
        slider.starttimeout = null;
        // touch/usecss:
        slider.transitions = !slider.vars.video && !fade && slider.vars.usecss && (function() {
          var obj = document.createelement('div'),
              props = ['perspectiveproperty', 'webkitperspective', 'mozperspective', 'operspective', 'msperspective'];
          for (var i in props) {
            if ( obj.style[ props[i] ] !== undefined ) {
              slider.pfx = props[i].replace('perspective','').tolowercase();
              slider.prop = "-" + slider.pfx + "-transform";
              return true;
            }
          }
          return false;
        }());
        // controlscontainer:
        if (slider.vars.controlscontainer !== "") slider.controlscontainer = $(slider.vars.controlscontainer).length > 0 && $(slider.vars.controlscontainer);
        // manual:
        if (slider.vars.manualcontrols !== "") slider.manualcontrols = $(slider.vars.manualcontrols).length > 0 && $(slider.vars.manualcontrols);

        // randomize:
        if (slider.vars.randomize) {
          slider.slides.sort(function() { return (math.round(math.random())-0.5); });
          slider.container.empty().append(slider.slides);
        }

        slider.domath();

        // init
        slider.setup("init");

        // controlnav:
        if (slider.vars.controlnav) methods.controlnav.setup();

        // directionnav:
        if (slider.vars.directionnav) methods.directionnav.setup();

        // keyboard:
        if (slider.vars.keyboard && ($(slider.containerselector).length === 1 || slider.vars.multiplekeyboard)) {
          $(document).bind('keyup', function(event) {
            var keycode = event.keycode;
            if (!slider.animating && (keycode === 39 || keycode === 37)) {
              var target = (keycode === 39) ? slider.gettarget('next') :
                           (keycode === 37) ? slider.gettarget('prev') : false;
              slider.flexanimate(target, slider.vars.pauseonaction);
            }
          });
        }
        // mousewheel:
        if (slider.vars.mousewheel) {
          slider.bind('mousewheel', function(event, delta, deltax, deltay) {
            event.preventdefault();
            var target = (delta < 0) ? slider.gettarget('next') : slider.gettarget('prev');
            slider.flexanimate(target, slider.vars.pauseonaction);
          });
        }

        // pauseplay
        if (slider.vars.pauseplay) methods.pauseplay.setup();

        //pause when invisible
        if (slider.vars.slideshow && slider.vars.pauseinvisible) methods.pauseinvisible.init();

        // slidseshow
        if (slider.vars.slideshow) {
          if (slider.vars.pauseonhover) {
            slider.hover(function() {
              if (!slider.manualplay && !slider.manualpause) slider.pause();
            }, function() {
              if (!slider.manualpause && !slider.manualplay && !slider.stopped) slider.play();
            });
          }
          // initialize animation
          //if we're visible, or we don't use pagevisibility api
          if(!slider.vars.pauseinvisible || !methods.pauseinvisible.ishidden()) {
            (slider.vars.initdelay > 0) ? slider.starttimeout = settimeout(slider.play, slider.vars.initdelay) : slider.play();
          }
        }

        // asnav:
        if (asnav) methods.asnav.setup();

        // touch
        if (touch && slider.vars.touch) methods.touch();

        // fade&&smoothheight || slide:
        if (!fade || (fade && slider.vars.smoothheight)) $(window).bind("resize orientationchange focus", methods.resize);

        slider.find("img").attr("draggable", "false");

        // api: start() callback
        settimeout(function(){
          slider.vars.start(slider);
        }, 200);
      },
      asnav: {
        setup: function() {
          slider.asnav = true;
          slider.animatingto = math.floor(slider.currentslide/slider.move);
          slider.currentitem = slider.currentslide;
          slider.slides.removeclass(namespace + "active-slide").eq(slider.currentitem).addclass(namespace + "active-slide");
          if(!msgesture){
              slider.slides.click(function(e){
                e.preventdefault();
                var $slide = $(this),
                    target = $slide.index();
                var posfromleft = $slide.offset().left - $(slider).scrollleft(); // find position of slide relative to left of slider container
                if( posfromleft <= 0 && $slide.hasclass( namespace + 'active-slide' ) ) {
                  slider.flexanimate(slider.gettarget("prev"), true);
                } else if (!$(slider.vars.asnavfor).data('flexslider').animating && !$slide.hasclass(namespace + "active-slide")) {
                  slider.direction = (slider.currentitem < target) ? "next" : "prev";
                  slider.flexanimate(target, slider.vars.pauseonaction, false, true, true);
                }
              });
          }else{
              el._slider = slider;
              slider.slides.each(function (){
                  var that = this;
                  that._gesture = new msgesture();
                  that._gesture.target = that;
                  that.addeventlistener("mspointerdown", function (e){
                      e.preventdefault();
                      if(e.currenttarget._gesture)
                          e.currenttarget._gesture.addpointer(e.pointerid);
                  }, false);
                  that.addeventlistener("msgesturetap", function (e){
                      e.preventdefault();
                      var $slide = $(this),
                          target = $slide.index();
                      if (!$(slider.vars.asnavfor).data('flexslider').animating && !$slide.hasclass('active')) {
                          slider.direction = (slider.currentitem < target) ? "next" : "prev";
                          slider.flexanimate(target, slider.vars.pauseonaction, false, true, true);
                      }
                  });
              });
          }
        }
      },
      controlnav: {
        setup: function() {
          if (!slider.manualcontrols) {
            methods.controlnav.setuppaging();
          } else { // manualcontrols:
            methods.controlnav.setupmanual();
          }
        },
        setuppaging: function() {
          var type = (slider.vars.controlnav === "thumbnails") ? 'control-thumbs' : 'control-paging',
              j = 1,
              item,
              slide;

          slider.controlnavscaffold = $('<ol class="'+ namespace + 'control-nav ' + namespace + type + '"></ol>');

          if (slider.pagingcount > 1) {
            for (var i = 0; i < slider.pagingcount; i++) {
              slide = slider.slides.eq(i);
              item = (slider.vars.controlnav === "thumbnails") ? '<img src="' + slide.attr( 'data-thumb' ) + '"/>' : '<a>' + j + '</a>';
              if ( 'thumbnails' === slider.vars.controlnav && true === slider.vars.thumbcaptions ) {
                var captn = slide.attr( 'data-thumbcaption' );
                if ( '' != captn && undefined != captn ) item += '<span class="' + namespace + 'caption">' + captn + '</span>';
              }
              slider.controlnavscaffold.append('<li>' + item + '</li>');
              j++;
            }
          }

          // controlscontainer:
          (slider.controlscontainer) ? $(slider.controlscontainer).append(slider.controlnavscaffold) : slider.append(slider.controlnavscaffold);
          methods.controlnav.set();

          methods.controlnav.active();

          slider.controlnavscaffold.delegate('a, img', eventtype, function(event) {
            event.preventdefault();

            if (watchedevent === "" || watchedevent === event.type) {
              var $this = $(this),
                  target = slider.controlnav.index($this);

              if (!$this.hasclass(namespace + 'active')) {
                slider.direction = (target > slider.currentslide) ? "next" : "prev";
                slider.flexanimate(target, slider.vars.pauseonaction);
              }
            }

            // setup flags to prevent event duplication
            if (watchedevent === "") {
              watchedevent = event.type;
            }
            methods.settoclearwatchedevent();

          });
        },
        setupmanual: function() {
          slider.controlnav = slider.manualcontrols;
          methods.controlnav.active();

          slider.controlnav.bind(eventtype, function(event) {
            event.preventdefault();

            if (watchedevent === "" || watchedevent === event.type) {
              var $this = $(this),
                  target = slider.controlnav.index($this);

              if (!$this.hasclass(namespace + 'active')) {
                (target > slider.currentslide) ? slider.direction = "next" : slider.direction = "prev";
                slider.flexanimate(target, slider.vars.pauseonaction);
              }
            }

            // setup flags to prevent event duplication
            if (watchedevent === "") {
              watchedevent = event.type;
            }
            methods.settoclearwatchedevent();
          });
        },
        set: function() {
          var selector = (slider.vars.controlnav === "thumbnails") ? 'img' : 'a';
          slider.controlnav = $('.' + namespace + 'control-nav li ' + selector, (slider.controlscontainer) ? slider.controlscontainer : slider);
        },
        active: function() {
          slider.controlnav.removeclass(namespace + "active").eq(slider.animatingto).addclass(namespace + "active");
        },
        update: function(action, pos) {
          if (slider.pagingcount > 1 && action === "add") {
            slider.controlnavscaffold.append($('<li><a>' + slider.count + '</a></li>'));
          } else if (slider.pagingcount === 1) {
            slider.controlnavscaffold.find('li').remove();
          } else {
            slider.controlnav.eq(pos).closest('li').remove();
          }
          methods.controlnav.set();
          (slider.pagingcount > 1 && slider.pagingcount !== slider.controlnav.length) ? slider.update(pos, action) : methods.controlnav.active();
        }
      },
      directionnav: {
        setup: function() {
          var directionnavscaffold = $('<ul class="' + namespace + 'direction-nav"><li><a class="' + namespace + 'prev" href="#">' + slider.vars.prevtext + '</a></li><li><a class="' + namespace + 'next" href="#">' + slider.vars.nexttext + '</a></li></ul>');

          // controlscontainer:
          if (slider.controlscontainer) {
            $(slider.controlscontainer).append(directionnavscaffold);
            slider.directionnav = $('.' + namespace + 'direction-nav li a', slider.controlscontainer);
          } else {
            slider.append(directionnavscaffold);
            slider.directionnav = $('.' + namespace + 'direction-nav li a', slider);
          }

          methods.directionnav.update();

          slider.directionnav.bind(eventtype, function(event) {
            event.preventdefault();
            var target;

            if (watchedevent === "" || watchedevent === event.type) {
              target = ($(this).hasclass(namespace + 'next')) ? slider.gettarget('next') : slider.gettarget('prev');
              slider.flexanimate(target, slider.vars.pauseonaction);
            }

            // setup flags to prevent event duplication
            if (watchedevent === "") {
              watchedevent = event.type;
            }
            methods.settoclearwatchedevent();
          });
        },
        update: function() {
          var disabledclass = namespace + 'disabled';
          if (slider.pagingcount === 1) {
            slider.directionnav.addclass(disabledclass).attr('tabindex', '-1');
          } else if (!slider.vars.animationloop) {
            if (slider.animatingto === 0) {
              slider.directionnav.removeclass(disabledclass).filter('.' + namespace + "prev").addclass(disabledclass).attr('tabindex', '-1');
            } else if (slider.animatingto === slider.last) {
              slider.directionnav.removeclass(disabledclass).filter('.' + namespace + "next").addclass(disabledclass).attr('tabindex', '-1');
            } else {
              slider.directionnav.removeclass(disabledclass).removeattr('tabindex');
            }
          } else {
            slider.directionnav.removeclass(disabledclass).removeattr('tabindex');
          }
        }
      },
      pauseplay: {
        setup: function() {
          var pauseplayscaffold = $('<div class="' + namespace + 'pauseplay"><a></a></div>');

          // controlscontainer:
          if (slider.controlscontainer) {
            slider.controlscontainer.append(pauseplayscaffold);
            slider.pauseplay = $('.' + namespace + 'pauseplay a', slider.controlscontainer);
          } else {
            slider.append(pauseplayscaffold);
            slider.pauseplay = $('.' + namespace + 'pauseplay a', slider);
          }

          methods.pauseplay.update((slider.vars.slideshow) ? namespace + 'pause' : namespace + 'play');

          slider.pauseplay.bind(eventtype, function(event) {
            event.preventdefault();

            if (watchedevent === "" || watchedevent === event.type) {
              if ($(this).hasclass(namespace + 'pause')) {
                slider.manualpause = true;
                slider.manualplay = false;
                slider.pause();
              } else {
                slider.manualpause = false;
                slider.manualplay = true;
                slider.play();
              }
            }

            // setup flags to prevent event duplication
            if (watchedevent === "") {
              watchedevent = event.type;
            }
            methods.settoclearwatchedevent();
          });
        },
        update: function(state) {
          (state === "play") ? slider.pauseplay.removeclass(namespace + 'pause').addclass(namespace + 'play').html(slider.vars.playtext) : slider.pauseplay.removeclass(namespace + 'play').addclass(namespace + 'pause').html(slider.vars.pausetext);
        }
      },
      touch: function() {
        var startx,
          starty,
          offset,
          cwidth,
          dx,
          startt,
          scrolling = false,
          localx = 0,
          localy = 0,
          accdx = 0;

        if(!msgesture){
            el.addeventlistener('touchstart', ontouchstart, false);

            function ontouchstart(e) {
              if (slider.animating) {
                e.preventdefault();
              } else if ( ( window.navigator.mspointerenabled ) || e.touches.length === 1 ) {
                slider.pause();
                // carousel:
                cwidth = (vertical) ? slider.h : slider. w;
                startt = number(new date());
                // carousel:

                // local vars for x and y points.
                localx = e.touches[0].pagex;
                localy = e.touches[0].pagey;

                offset = (carousel && reverse && slider.animatingto === slider.last) ? 0 :
                         (carousel && reverse) ? slider.limit - (((slider.itemw + slider.vars.itemmargin) * slider.move) * slider.animatingto) :
                         (carousel && slider.currentslide === slider.last) ? slider.limit :
                         (carousel) ? ((slider.itemw + slider.vars.itemmargin) * slider.move) * slider.currentslide :
                         (reverse) ? (slider.last - slider.currentslide + slider.cloneoffset) * cwidth : (slider.currentslide + slider.cloneoffset) * cwidth;
                startx = (vertical) ? localy : localx;
                starty = (vertical) ? localx : localy;

                el.addeventlistener('touchmove', ontouchmove, false);
                el.addeventlistener('touchend', ontouchend, false);
              }
            }

            function ontouchmove(e) {
              // local vars for x and y points.

              localx = e.touches[0].pagex;
              localy = e.touches[0].pagey;

              dx = (vertical) ? startx - localy : startx - localx;
              scrolling = (vertical) ? (math.abs(dx) < math.abs(localx - starty)) : (math.abs(dx) < math.abs(localy - starty));

              var fxms = 500;

              if ( ! scrolling || number( new date() ) - startt > fxms ) {
                e.preventdefault();
                if (!fade && slider.transitions) {
                  if (!slider.vars.animationloop) {
                    dx = dx/((slider.currentslide === 0 && dx < 0 || slider.currentslide === slider.last && dx > 0) ? (math.abs(dx)/cwidth+2) : 1);
                  }
                  slider.setprops(offset + dx, "settouch");
                }
              }
            }

            function ontouchend(e) {
              // finish the touch by undoing the touch session
              el.removeeventlistener('touchmove', ontouchmove, false);

              if (slider.animatingto === slider.currentslide && !scrolling && !(dx === null)) {
                var updatedx = (reverse) ? -dx : dx,
                    target = (updatedx > 0) ? slider.gettarget('next') : slider.gettarget('prev');

                if (slider.canadvance(target) && (number(new date()) - startt < 550 && math.abs(updatedx) > 50 || math.abs(updatedx) > cwidth/2)) {
                  slider.flexanimate(target, slider.vars.pauseonaction);
                } else {
                  if (!fade) slider.flexanimate(slider.currentslide, slider.vars.pauseonaction, true);
                }
              }
              el.removeeventlistener('touchend', ontouchend, false);

              startx = null;
              starty = null;
              dx = null;
              offset = null;
            }
        }else{
            el.style.mstouchaction = "none";
            el._gesture = new msgesture();
            el._gesture.target = el;
            el.addeventlistener("mspointerdown", onmspointerdown, false);
            el._slider = slider;
            el.addeventlistener("msgesturechange", onmsgesturechange, false);
            el.addeventlistener("msgestureend", onmsgestureend, false);

            function onmspointerdown(e){
                e.stoppropagation();
                if (slider.animating) {
                    e.preventdefault();
                }else{
                    slider.pause();
                    el._gesture.addpointer(e.pointerid);
                    accdx = 0;
                    cwidth = (vertical) ? slider.h : slider. w;
                    startt = number(new date());
                    // carousel:

                    offset = (carousel && reverse && slider.animatingto === slider.last) ? 0 :
                        (carousel && reverse) ? slider.limit - (((slider.itemw + slider.vars.itemmargin) * slider.move) * slider.animatingto) :
                            (carousel && slider.currentslide === slider.last) ? slider.limit :
                                (carousel) ? ((slider.itemw + slider.vars.itemmargin) * slider.move) * slider.currentslide :
                                    (reverse) ? (slider.last - slider.currentslide + slider.cloneoffset) * cwidth : (slider.currentslide + slider.cloneoffset) * cwidth;
                }
            }

            function onmsgesturechange(e) {
                e.stoppropagation();
                var slider = e.target._slider;
                if(!slider){
                    return;
                }
                var transx = -e.translationx,
                    transy = -e.translationy;

                //accumulate translations.
                accdx = accdx + ((vertical) ? transy : transx);
                dx = accdx;
                scrolling = (vertical) ? (math.abs(accdx) < math.abs(-transx)) : (math.abs(accdx) < math.abs(-transy));

                if(e.detail === e.msgesture_flag_inertia){
                    setimmediate(function (){
                        el._gesture.stop();
                    });

                    return;
                }

                if (!scrolling || number(new date()) - startt > 500) {
                    e.preventdefault();
                    if (!fade && slider.transitions) {
                        if (!slider.vars.animationloop) {
                            dx = accdx / ((slider.currentslide === 0 && accdx < 0 || slider.currentslide === slider.last && accdx > 0) ? (math.abs(accdx) / cwidth + 2) : 1);
                        }
                        slider.setprops(offset + dx, "settouch");
                    }
                }
            }

            function onmsgestureend(e) {
                e.stoppropagation();
                var slider = e.target._slider;
                if(!slider){
                    return;
                }
                if (slider.animatingto === slider.currentslide && !scrolling && !(dx === null)) {
                    var updatedx = (reverse) ? -dx : dx,
                        target = (updatedx > 0) ? slider.gettarget('next') : slider.gettarget('prev');

                    if (slider.canadvance(target) && (number(new date()) - startt < 550 && math.abs(updatedx) > 50 || math.abs(updatedx) > cwidth/2)) {
                        slider.flexanimate(target, slider.vars.pauseonaction);
                    } else {
                        if (!fade) slider.flexanimate(slider.currentslide, slider.vars.pauseonaction, true);
                    }
                }

                startx = null;
                starty = null;
                dx = null;
                offset = null;
                accdx = 0;
            }
        }
      },
      resize: function() {
        if (!slider.animating && slider.is(':visible')) {
          if (!carousel) slider.domath();

          if (fade) {
            // smooth height:
            methods.smoothheight();
          } else if (carousel) { //carousel:
            slider.slides.width(slider.computedw);
            slider.update(slider.pagingcount);
            slider.setprops();
          }
          else if (vertical) { //vertical:
            slider.viewport.height(slider.h);
            slider.setprops(slider.h, "settotal");
          } else {
            // smooth height:
            if (slider.vars.smoothheight) methods.smoothheight();
            slider.newslides.width(slider.computedw);
            slider.setprops(slider.computedw, "settotal");
          }
        }
      },
      smoothheight: function(dur) {
        if (!vertical || fade) {
          var $obj = (fade) ? slider : slider.viewport;
          (dur) ? $obj.animate({"height": slider.slides.eq(slider.animatingto).height()}, dur) : $obj.height(slider.slides.eq(slider.animatingto).height());
        }
      },
      sync: function(action) {
        var $obj = $(slider.vars.sync).data("flexslider"),
            target = slider.animatingto;

        switch (action) {
          case "animate": $obj.flexanimate(target, slider.vars.pauseonaction, false, true); break;
          case "play": if (!$obj.playing && !$obj.asnav) { $obj.play(); } break;
          case "pause": $obj.pause(); break;
        }
      },
      pauseinvisible: {
        visprop: null,
        init: function() {
          var prefixes = ['webkit','moz','ms','o'];

          if ('hidden' in document) return 'hidden';
          for (var i = 0; i < prefixes.length; i++) {
            if ((prefixes[i] + 'hidden') in document) 
            methods.pauseinvisible.visprop = prefixes[i] + 'hidden';
          }
          if (methods.pauseinvisible.visprop) {
            var evtname = methods.pauseinvisible.visprop.replace(/[h|h]idden/,'') + 'visibilitychange';
            document.addeventlistener(evtname, function() {
              if (methods.pauseinvisible.ishidden()) {
                if(slider.starttimeout) cleartimeout(slider.starttimeout); //if clock is ticking, stop timer and prevent from starting while invisible
                else slider.pause(); //or just pause
              }
              else {
                if(slider.started) slider.play(); //initiated before, just play
                else (slider.vars.initdelay > 0) ? settimeout(slider.play, slider.vars.initdelay) : slider.play(); //didn't init before: simply init or wait for it
              }
            });
          }       
        },
        ishidden: function() {
          return document[methods.pauseinvisible.visprop] || false;
        }
      },
      settoclearwatchedevent: function() {
        cleartimeout(watchedeventcleartimer);
        watchedeventcleartimer = settimeout(function() {
          watchedevent = "";
        }, 3000);
      }
    }

    // public methods
    slider.flexanimate = function(target, pause, override, withsync, fromnav) {
      if (!slider.vars.animationloop && target !== slider.currentslide) {
        slider.direction = (target > slider.currentslide) ? "next" : "prev";
      }

      if (asnav && slider.pagingcount === 1) slider.direction = (slider.currentitem < target) ? "next" : "prev";

      if (!slider.animating && (slider.canadvance(target, fromnav) || override) && slider.is(":visible")) {
        if (asnav && withsync) {
          var master = $(slider.vars.asnavfor).data('flexslider');
          slider.atend = target === 0 || target === slider.count - 1;
          master.flexanimate(target, true, false, true, fromnav);
          slider.direction = (slider.currentitem < target) ? "next" : "prev";
          master.direction = slider.direction;

          if (math.ceil((target + 1)/slider.visible) - 1 !== slider.currentslide && target !== 0) {
            slider.currentitem = target;
            slider.slides.removeclass(namespace + "active-slide").eq(target).addclass(namespace + "active-slide");
            target = math.floor(target/slider.visible);
          } else {
            slider.currentitem = target;
            slider.slides.removeclass(namespace + "active-slide").eq(target).addclass(namespace + "active-slide");
            return false;
          }
        }

        slider.animating = true;
        slider.animatingto = target;

        // slideshow:
        if (pause) slider.pause();

        // api: before() animation callback
        slider.vars.before(slider);

        // sync:
        if (slider.syncexists && !fromnav) methods.sync("animate");

        // controlnav
        if (slider.vars.controlnav) methods.controlnav.active();

        // !carousel:
        // candidate: slide active class (for add/remove slide)
        if (!carousel) slider.slides.removeclass(namespace + 'active-slide').eq(target).addclass(namespace + 'active-slide');

        // infinite loop:
        // candidate: atend
        slider.atend = target === 0 || target === slider.last;

        // directionnav:
        if (slider.vars.directionnav) methods.directionnav.update();

        if (target === slider.last) {
          // api: end() of cycle callback
          slider.vars.end(slider);
          // slideshow && !infinite loop:
          if (!slider.vars.animationloop) slider.pause();
        }

        // slide:
        if (!fade) {
          var dimension = (vertical) ? slider.slides.filter(':first').height() : slider.computedw,
              margin, slidestring, calcnext;

          // infinite loop / reverse:
          if (carousel) {
            //margin = (slider.vars.itemwidth > slider.w) ? slider.vars.itemmargin * 2 : slider.vars.itemmargin;
            margin = slider.vars.itemmargin;
            calcnext = ((slider.itemw + margin) * slider.move) * slider.animatingto;
            slidestring = (calcnext > slider.limit && slider.visible !== 1) ? slider.limit : calcnext;
          } else if (slider.currentslide === 0 && target === slider.count - 1 && slider.vars.animationloop && slider.direction !== "next") {
            slidestring = (reverse) ? (slider.count + slider.cloneoffset) * dimension : 0;
          } else if (slider.currentslide === slider.last && target === 0 && slider.vars.animationloop && slider.direction !== "prev") {
            slidestring = (reverse) ? 0 : (slider.count + 1) * dimension;
          } else {
            slidestring = (reverse) ? ((slider.count - 1) - target + slider.cloneoffset) * dimension : (target + slider.cloneoffset) * dimension;
          }
          slider.setprops(slidestring, "", slider.vars.animationspeed);
          if (slider.transitions) {
            if (!slider.vars.animationloop || !slider.atend) {
              slider.animating = false;
              slider.currentslide = slider.animatingto;
            }
            slider.container.unbind("webkittransitionend transitionend");
            slider.container.bind("webkittransitionend transitionend", function() {
              slider.wrapup(dimension);
            });
          } else {
            slider.container.animate(slider.args, slider.vars.animationspeed, slider.vars.easing, function(){
              slider.wrapup(dimension);
            });
          }
        } else { // fade:
          if (!touch) {
            //slider.slides.eq(slider.currentslide).fadeout(slider.vars.animationspeed, slider.vars.easing);
            //slider.slides.eq(target).fadein(slider.vars.animationspeed, slider.vars.easing, slider.wrapup);

            slider.slides.eq(slider.currentslide).css({"zindex": 1}).animate({"opacity": 0}, slider.vars.animationspeed, slider.vars.easing);
            slider.slides.eq(target).css({"zindex": 2}).animate({"opacity": 1}, slider.vars.animationspeed, slider.vars.easing, slider.wrapup);

          } else {
            slider.slides.eq(slider.currentslide).css({ "opacity": 0, "zindex": 1 });
            slider.slides.eq(target).css({ "opacity": 1, "zindex": 2 });
            slider.wrapup(dimension);
          }
        }
        // smooth height:
        if (slider.vars.smoothheight) methods.smoothheight(slider.vars.animationspeed);
      }
    }
    slider.wrapup = function(dimension) {
      // slide:
      if (!fade && !carousel) {
        if (slider.currentslide === 0 && slider.animatingto === slider.last && slider.vars.animationloop) {
          slider.setprops(dimension, "jumpend");
        } else if (slider.currentslide === slider.last && slider.animatingto === 0 && slider.vars.animationloop) {
          slider.setprops(dimension, "jumpstart");
        }
      }
      slider.animating = false;
      slider.currentslide = slider.animatingto;
      // api: after() animation callback
      slider.vars.after(slider);
    }

    // slideshow:
    slider.animateslides = function() {
      if (!slider.animating && focused ) slider.flexanimate(slider.gettarget("next"));
    }
    // slideshow:
    slider.pause = function() {
      clearinterval(slider.animatedslides);
      slider.animatedslides = null;
      slider.playing = false;
      // pauseplay:
      if (slider.vars.pauseplay) methods.pauseplay.update("play");
      // sync:
      if (slider.syncexists) methods.sync("pause");
    }
    // slideshow:
    slider.play = function() {
      if (slider.playing) clearinterval(slider.animatedslides);
      slider.animatedslides = slider.animatedslides || setinterval(slider.animateslides, slider.vars.slideshowspeed);
      slider.started = slider.playing = true;
      // pauseplay:
      if (slider.vars.pauseplay) methods.pauseplay.update("pause");
      // sync:
      if (slider.syncexists) methods.sync("play");
    }
    // stop:
    slider.stop = function () {
      slider.pause();
      slider.stopped = true;
    }
    slider.canadvance = function(target, fromnav) {
      // asnav:
      var last = (asnav) ? slider.pagingcount - 1 : slider.last;
      return (fromnav) ? true :
             (asnav && slider.currentitem === slider.count - 1 && target === 0 && slider.direction === "prev") ? true :
             (asnav && slider.currentitem === 0 && target === slider.pagingcount - 1 && slider.direction !== "next") ? false :
             (target === slider.currentslide && !asnav) ? false :
             (slider.vars.animationloop) ? true :
             (slider.atend && slider.currentslide === 0 && target === last && slider.direction !== "next") ? false :
             (slider.atend && slider.currentslide === last && target === 0 && slider.direction === "next") ? false :
             true;
    }
    slider.gettarget = function(dir) {
      slider.direction = dir;
      if (dir === "next") {
        return (slider.currentslide === slider.last) ? 0 : slider.currentslide + 1;
      } else {
        return (slider.currentslide === 0) ? slider.last : slider.currentslide - 1;
      }
    }

    // slide:
    slider.setprops = function(pos, special, dur) {
      var target = (function() {
        var poscheck = (pos) ? pos : ((slider.itemw + slider.vars.itemmargin) * slider.move) * slider.animatingto,
            poscalc = (function() {
              if (carousel) {
                return (special === "settouch") ? pos :
                       (reverse && slider.animatingto === slider.last) ? 0 :
                       (reverse) ? slider.limit - (((slider.itemw + slider.vars.itemmargin) * slider.move) * slider.animatingto) :
                       (slider.animatingto === slider.last) ? slider.limit : poscheck;
              } else {
                switch (special) {
                  case "settotal": return (reverse) ? ((slider.count - 1) - slider.currentslide + slider.cloneoffset) * pos : (slider.currentslide + slider.cloneoffset) * pos;
                  case "settouch": return (reverse) ? pos : pos;
                  case "jumpend": return (reverse) ? pos : slider.count * pos;
                  case "jumpstart": return (reverse) ? slider.count * pos : pos;
                  default: return pos;
                }
              }
            }());

            return (poscalc * -1) + "px";
          }());

      if (slider.transitions) {
        target = (vertical) ? "translate3d(0," + target + ",0)" : "translate3d(" + target + ",0,0)";
        dur = (dur !== undefined) ? (dur/1000) + "s" : "0s";
        slider.container.css("-" + slider.pfx + "-transition-duration", dur);
      }

      slider.args[slider.prop] = target;
      if (slider.transitions || dur === undefined) slider.container.css(slider.args);
    }

    slider.setup = function(type) {
      // slide:
      if (!fade) {
        var slideroffset, arr;

        if (type === "init") {
          slider.viewport = $('<div class="' + namespace + 'viewport"></div>').css({"overflow": "hidden", "position": "relative"}).appendto(slider).append(slider.container);
          // infinite loop:
          slider.clonecount = 0;
          slider.cloneoffset = 0;
          // reverse:
          if (reverse) {
            arr = $.makearray(slider.slides).reverse();
            slider.slides = $(arr);
            slider.container.empty().append(slider.slides);
          }
        }
        // infinite loop && !carousel:
        if (slider.vars.animationloop && !carousel) {
          slider.clonecount = 2;
          slider.cloneoffset = 1;
          // clear out old clones
          if (type !== "init") slider.container.find('.clone').remove();
          slider.container.append(slider.slides.first().clone().addclass('clone').attr('aria-hidden', 'true')).prepend(slider.slides.last().clone().addclass('clone').attr('aria-hidden', 'true'));
        }
        slider.newslides = $(slider.vars.selector, slider);

        slideroffset = (reverse) ? slider.count - 1 - slider.currentslide + slider.cloneoffset : slider.currentslide + slider.cloneoffset;
        // vertical:
        if (vertical && !carousel) {
          slider.container.height((slider.count + slider.clonecount) * 200 + "%").css("position", "absolute").width("100%");
          settimeout(function(){
            slider.newslides.css({"display": "block"});
            slider.domath();
            slider.viewport.height(slider.h);
            slider.setprops(slideroffset * slider.h, "init");
          }, (type === "init") ? 100 : 0);
        } else {
          slider.container.width((slider.count + slider.clonecount) * 200 + "%");
          slider.setprops(slideroffset * slider.computedw, "init");
          settimeout(function(){
            slider.domath();
            slider.newslides.css({"width": slider.computedw, "float": "left", "display": "block"});
            // smooth height:
            if (slider.vars.smoothheight) methods.smoothheight();
          }, (type === "init") ? 100 : 0);
        }
      } else { // fade:
        slider.slides.css({"width": "100%", "float": "left", "marginright": "-100%", "position": "relative"});
        if (type === "init") {
          if (!touch) {
            //slider.slides.eq(slider.currentslide).fadein(slider.vars.animationspeed, slider.vars.easing);
            slider.slides.css({ "opacity": 0, "display": "block", "zindex": 1 }).eq(slider.currentslide).css({"zindex": 2}).animate({"opacity": 1},slider.vars.animationspeed,slider.vars.easing);
          } else {
            slider.slides.css({ "opacity": 0, "display": "block", "webkittransition": "opacity " + slider.vars.animationspeed / 1000 + "s ease", "zindex": 1 }).eq(slider.currentslide).css({ "opacity": 1, "zindex": 2});
          }
        }
        // smooth height:
        if (slider.vars.smoothheight) methods.smoothheight();
      }
      // !carousel:
      // candidate: active slide
      if (!carousel) slider.slides.removeclass(namespace + "active-slide").eq(slider.currentslide).addclass(namespace + "active-slide");
    }


    slider.domath = function() {
      var slide = slider.slides.first(),
          slidemargin = slider.vars.itemmargin,
          minitems = slider.vars.minitems,
          maxitems = slider.vars.maxitems;

      slider.w = (slider.viewport===undefined) ? slider.width() : slider.viewport.width();
      slider.h = slide.height();
      slider.boxpadding = slide.outerwidth() - slide.width();

      // carousel:
      if (carousel) {
        slider.itemt = slider.vars.itemwidth + slidemargin;
        slider.minw = (minitems) ? minitems * slider.itemt : slider.w;
        slider.maxw = (maxitems) ? (maxitems * slider.itemt) - slidemargin : slider.w;
        slider.itemw = (slider.minw > slider.w) ? (slider.w - (slidemargin * (minitems - 1)))/minitems :
                       (slider.maxw < slider.w) ? (slider.w - (slidemargin * (maxitems - 1)))/maxitems :
                       (slider.vars.itemwidth > slider.w) ? slider.w : slider.vars.itemwidth;

        slider.visible = math.floor(slider.w/(slider.itemw));
        slider.move = (slider.vars.move > 0 && slider.vars.move < slider.visible ) ? slider.vars.move : slider.visible;
        slider.pagingcount = math.ceil(((slider.count - slider.visible)/slider.move) + 1);
        slider.last =  slider.pagingcount - 1;
        slider.limit = (slider.pagingcount === 1) ? 0 :
                       (slider.vars.itemwidth > slider.w) ? (slider.itemw * (slider.count - 1)) + (slidemargin * (slider.count - 1)) : ((slider.itemw + slidemargin) * slider.count) - slider.w - slidemargin;
      } else {
        slider.itemw = slider.w;
        slider.pagingcount = slider.count;
        slider.last = slider.count - 1;
      }
      slider.computedw = slider.itemw - slider.boxpadding;
    }


    slider.update = function(pos, action) {
      slider.domath();

      // update currentslide and slider.animatingto if necessary
      if (!carousel) {
        if (pos < slider.currentslide) {
          slider.currentslide += 1;
        } else if (pos <= slider.currentslide && pos !== 0) {
          slider.currentslide -= 1;
        }
        slider.animatingto = slider.currentslide;
      }

      // update controlnav
      if (slider.vars.controlnav && !slider.manualcontrols) {
        if ((action === "add" && !carousel) || slider.pagingcount > slider.controlnav.length) {
          methods.controlnav.update("add");
        } else if ((action === "remove" && !carousel) || slider.pagingcount < slider.controlnav.length) {
          if (carousel && slider.currentslide > slider.last) {
            slider.currentslide -= 1;
            slider.animatingto -= 1;
          }
          methods.controlnav.update("remove", slider.last);
        }
      }
      // update directionnav
      if (slider.vars.directionnav) methods.directionnav.update();

    }

    slider.addslide = function(obj, pos) {
      var $obj = $(obj);

      slider.count += 1;
      slider.last = slider.count - 1;

      // append new slide
      if (vertical && reverse) {
        (pos !== undefined) ? slider.slides.eq(slider.count - pos).after($obj) : slider.container.prepend($obj);
      } else {
        (pos !== undefined) ? slider.slides.eq(pos).before($obj) : slider.container.append($obj);
      }

      // update currentslide, animatingto, controlnav, and directionnav
      slider.update(pos, "add");

      // update slider.slides
      slider.slides = $(slider.vars.selector + ':not(.clone)', slider);
      // re-setup the slider to accomdate new slide
      slider.setup();

      //flexslider: added() callback
      slider.vars.added(slider);
    }
    slider.removeslide = function(obj) {
      var pos = (isnan(obj)) ? slider.slides.index($(obj)) : obj;

      // update count
      slider.count -= 1;
      slider.last = slider.count - 1;

      // remove slide
      if (isnan(obj)) {
        $(obj, slider.slides).remove();
      } else {
        (vertical && reverse) ? slider.slides.eq(slider.last).remove() : slider.slides.eq(obj).remove();
      }

      // update currentslide, animatingto, controlnav, and directionnav
      slider.domath();
      slider.update(pos, "remove");

      // update slider.slides
      slider.slides = $(slider.vars.selector + ':not(.clone)', slider);
      // re-setup the slider to accomdate new slide
      slider.setup();

      // flexslider: removed() callback
      slider.vars.removed(slider);
    }

    //flexslider: initialize
    methods.init();
  }

  // ensure the slider isn't focussed if the window loses focus.
  $( window ).blur( function ( e ) {
    focused = false;
  }).focus( function ( e ) {
    focused = true;
  });

  //flexslider: default settings
  $.flexslider.defaults = {
    namespace: "flex-",             //{new} string: prefix string attached to the class of every element generated by the plugin
    selector: ".slides > li",       //{new} selector: must match a simple pattern. '{container} > {slide}' -- ignore pattern at your own peril
    animation: "fade",              //string: select your animation type, "fade" or "slide"
    easing: "swing",                //{new} string: determines the easing method used in jquery transitions. jquery easing plugin is supported!
    direction: "horizontal",        //string: select the sliding direction, "horizontal" or "vertical"
    reverse: false,                 //{new} boolean: reverse the animation direction
    animationloop: true,            //boolean: should the animation loop? if false, directionnav will received "disable" classes at either end
    smoothheight: false,            //{new} boolean: allow height of the slider to animate smoothly in horizontal mode
    startat: 0,                     //integer: the slide that the slider should start on. array notation (0 = first slide)
    slideshow: true,                //boolean: animate slider automatically
    slideshowspeed: 7000,           //integer: set the speed of the slideshow cycling, in milliseconds
    animationspeed: 600,            //integer: set the speed of animations, in milliseconds
    initdelay: 0,                   //{new} integer: set an initialization delay, in milliseconds
    randomize: false,               //boolean: randomize slide order
    thumbcaptions: false,           //boolean: whether or not to put captions on thumbnails when using the "thumbnails" controlnav.

    // usability features
    pauseonaction: true,            //boolean: pause the slideshow when interacting with control elements, highly recommended.
    pauseonhover: false,            //boolean: pause the slideshow when hovering over slider, then resume when no longer hovering
    pauseinvisible: true,   		//{new} boolean: pause the slideshow when tab is invisible, resume when visible. provides better ux, lower cpu usage.
    usecss: true,                   //{new} boolean: slider will use css3 transitions if available
    touch: true,                    //{new} boolean: allow touch swipe navigation of the slider on touch-enabled devices
    video: false,                   //{new} boolean: if using video in the slider, will prevent css3 3d transforms to avoid graphical glitches

    // primary controls
    controlnav: true,               //boolean: create navigation for paging control of each clide? note: leave true for manualcontrols usage
    directionnav: true,             //boolean: create navigation for previous/next navigation? (true/false)
    prevtext: "previous",           //string: set the text for the "previous" directionnav item
    nexttext: "next",               //string: set the text for the "next" directionnav item

    // secondary navigation
    keyboard: true,                 //boolean: allow slider navigating via keyboard left/right keys
    multiplekeyboard: false,        //{new} boolean: allow keyboard navigation to affect multiple sliders. default behavior cuts out keyboard navigation with more than one slider present.
    mousewheel: false,              //{updated} boolean: requires jquery.mousewheel.js (https://github.com/brandonaaron/jquery-mousewheel) - allows slider navigating via mousewheel
    pauseplay: false,               //boolean: create pause/play dynamic element
    pausetext: "pause",             //string: set the text for the "pause" pauseplay item
    playtext: "play",               //string: set the text for the "play" pauseplay item

    // special properties
    controlscontainer: "",          //{updated} jquery object/selector: declare which container the navigation elements should be appended too. default container is the flexslider element. example use would be $(".flexslider-container"). property is ignored if given element is not found.
    manualcontrols: "",             //{updated} jquery object/selector: declare custom control navigation. examples would be $(".flex-control-nav li") or "#tabs-nav li img", etc. the number of elements in your controlnav should match the number of slides/tabs.
    sync: "",                       //{new} selector: mirror the actions performed on this slider with another slider. use with care.
    asnavfor: "",                   //{new} selector: internal property exposed for turning the slider into a thumbnail navigation for another slider

    // carousel options
    itemwidth: 0,                   //{new} integer: box-model width of individual carousel items, including horizontal borders and padding.
    itemmargin: 0,                  //{new} integer: margin between carousel items.
    minitems: 1,                    //{new} integer: minimum number of carousel items that should be visible. items will resize fluidly when below this.
    maxitems: 0,                    //{new} integer: maxmimum number of carousel items that should be visible. items will resize fluidly when above this limit.
    move: 0,                        //{new} integer: number of carousel items that should move on animation. if 0, slider will move all visible items.
    allowoneslide: true,           //{new} boolean: whether or not to allow a slider comprised of a single slide

    // callback api
    start: function(){},            //callback: function(slider) - fires when the slider loads the first slide
    before: function(){},           //callback: function(slider) - fires asynchronously with each slider animation
    after: function(){},            //callback: function(slider) - fires after each slider animation completes
    end: function(){},              //callback: function(slider) - fires when the slider reaches the last slide (asynchronous)
    added: function(){},            //{new} callback: function(slider) - fires after a slide is added
    removed: function(){}           //{new} callback: function(slider) - fires after a slide is removed
  }


  //flexslider: plugin function
  $.fn.flexslider = function(options) {
    if (options === undefined) options = {};

    if (typeof options === "object") {
      return this.each(function() {
        var $this = $(this),
            selector = (options.selector) ? options.selector : ".slides > li",
            $slides = $this.find(selector);

      if ( ( $slides.length === 1 && options.allowoneslide === true ) || $slides.length === 0 ) {
          $slides.fadein(400);
          if (options.start) options.start($this);
        } else if ($this.data('flexslider') === undefined) {
          new $.flexslider(this, options);
        }
      });
    } else {
      // helper strings to quickly perform functions on the slider
      var $slider = $(this).data('flexslider');
      switch (options) {
        case "play": $slider.play(); break;
        case "pause": $slider.pause(); break;
        case "stop": $slider.stop(); break;
        case "next": $slider.flexanimate($slider.gettarget("next"), true); break;
        case "prev":
        case "previous": $slider.flexanimate($slider.gettarget("prev"), true); break;
        default: if (typeof options === "number") $slider.flexanimate(options, true);
      }
    }
  }
})(jquery);