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/*
 * jquery flexslider v2.6.0
 * copyright 2012 woothemes
 * contributing author: tyler smith
 */
;
(function ($) {

  var focused = true;

  //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 = "click touchend mspointerup keyup",
        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 = {};

    // 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), 10 );
        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;
        }());
        slider.ensureanimationend = '';
        // 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);

        // custom direction nav:
        if (slider.vars.customdirectionnav !== "") slider.customdirectionnav = $(slider.vars.customdirectionnav).length === 2 && $(slider.vars.customdirectionnav);

        // 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.on(eventtype, 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);
              if ( undefined === slide.attr( 'data-thumb-alt' ) ) { slide.attr( 'data-thumb-alt', '' ); }
              alttext = ( '' !== slide.attr( 'data-thumb-alt' ) ) ? alttext = ' alt="' + slide.attr( 'data-thumb-alt' ) + '"' : '';
              item = (slider.vars.controlnav === "thumbnails") ? '<img src="' + slide.attr( 'data-thumb' ) + '"' + alttext + '/>' : '<a href="#"><span>' + j + '</span></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 href="#">' + 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 class="' + namespace + 'nav-prev"><a class="' + namespace + 'prev" href="#">' + slider.vars.prevtext + '</a></li><li class="' + namespace + 'nav-next"><a class="' + namespace + 'next" href="#">' + slider.vars.nexttext + '</a></li></ul>');

          // custom direction nav:
          if (slider.customdirectionnav) {
            slider.directionnav = slider.customdirectionnav;
          // controlscontainer:
          } else 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 href="#"></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,
          ontouchstart,
          ontouchmove,
          ontouchend,
          scrolling = false,
          localx = 0,
          localy = 0,
          accdx = 0;

        if(!msgesture){
            ontouchstart = function(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);
              }
            };

            ontouchmove = function(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");
                }
              }
            };

            ontouchend = function(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;
            };

            el.addeventlistener('touchstart', ontouchstart, false);
        }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": $obj.pause(); break;
        }
      },
      uniqueid: function($clone) {
        // append _clone to current level and children elements with id attributes
        $clone.filter( '[id]' ).add($clone.find( '[id]' )).each(function() {
          var $this = $(this);
          $this.attr( 'id', $this.attr( 'id' ) + '_clone' );
        });
        return $clone;
      },
      pauseinvisible: {
        visprop: null,
        init: function() {
          var visprop = methods.pauseinvisible.gethiddenprop();
          if (visprop) {
            var evtname = 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 {
                  if (slider.vars.initdelay > 0) {
                    settimeout(slider.play, slider.vars.initdelay);
                  } else {
                    slider.play(); //didn't init before: simply init or wait for it
                  }
                }
              }
            });
          }
        },
        ishidden: function() {
          var prop = methods.pauseinvisible.gethiddenprop();
          if (!prop) {
            return false;
          }
          return document[prop];
        },
        gethiddenprop: function() {
          var prefixes = ['webkit','moz','ms','o'];
          // if 'hidden' is natively supported just return it
          if ('hidden' in document) {
            return 'hidden';
          }
          // otherwise loop over all the known prefixes until we find one
          for ( var i = 0; i < prefixes.length; i++ ) {
              if ((prefixes[i] + 'hidden') in document) {
                return prefixes[i] + 'hidden';
              }
          }
          // otherwise it's not supported
          return null;
        }
      },
      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.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;
            }

            // unbind previous transitionend events and re-bind new transitionend event
            slider.container.unbind("webkittransitionend transitionend");
            slider.container.bind("webkittransitionend transitionend", function() {
              cleartimeout(slider.ensureanimationend);
              slider.wrapup(dimension);
            });

            // insurance for the ever-so-fickle transitionend event
            cleartimeout(slider.ensureanimationend);
            slider.ensureanimationend = settimeout(function() {
              slider.wrapup(dimension);
            }, slider.vars.animationspeed + 100);

          } 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.container.css("transition-duration", dur);
      }

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

      slider.container.css('transform',target);
    };

    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(methods.uniqueid(slider.slides.first().clone().addclass('clone')).attr('aria-hidden', 'true'))
                          .prepend(methods.uniqueid(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, "marginright" : slider.computedm, "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);
            if (slider.vars.fadefirstslide == false) {
              slider.slides.css({ "opacity": 0, "display": "block", "zindex": 1 }).eq(slider.currentslide).css({"zindex": 2}).css({"opacity": 1});
            } else {
              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"); }

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

    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.itemm = 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.itemm = slidemargin;
        slider.pagingcount = slider.count;
        slider.last = slider.count - 1;
      }
      slider.computedw = slider.itemw - slider.boxpadding;
      slider.computedm = slider.itemm;
    };

    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: 5000,           //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
    fadefirstslide: true,           //boolean: fade in the first slide when animation type is "fade"
    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 slide? 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.
    customdirectionnav: "",         //{new} jquery object/selector: custom prev / next button. must be two jquery elements. in order to make the events work they have to have the classes "prev" and "next" (plus namespace)
    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
    init: function() {}             //{new} callback: function(slider) - fires after the slider is initially setup
  };

  //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);



/**
 * bxslider v4.1.2 - fully loaded, responsive content slider
 * http://bxslider.com
 *
 * copyright 2014, steven wanderski - http://stevenwanderski.com - http://bxcreative.com
 * written while drinking belgian ales and listening to jazz
 *
 * released under the mit license - http://opensource.org/licenses/mit
 */

;(function($){

    var plugin = {};

    var defaults = {

        // general
        mode: 'horizontal',
        slideselector: '',
        infiniteloop: true,
        hidecontrolonend: false,
        speed: 500,
        easing: null,
        slidemargin: 0,
        startslide: 0,
        randomstart: false,
        captions: false,
        ticker: false,
        tickerhover: false,
        adaptiveheight: false,
        adaptiveheightspeed: 500,
        video: false,
        usecss: true,
        preloadimages: 'visible',
        responsive: true,
        slidezindex: 50,
        wrapperclass: 'bx-wrapper',

        // touch
        touchenabled: true,
        swipethreshold: 50,
        onetoonetouch: true,
        preventdefaultswipex: true,
        preventdefaultswipey: true,

        // pager
        pager: true,
        pagertype: 'full',
        pagershortseparator: ' / ',
        pagerselector: null,
        buildpager: null,
        pagercustom: null,

        // controls
        controls: true,
        nexttext: 'next',
        prevtext: 'prev',
        nextselector: null,
        prevselector: null,
        autocontrols: false,
        starttext: 'start',
        stoptext: 'stop',
        autocontrolscombine: false,
        autocontrolsselector: null,

        // auto
        auto: false,
        pause: 4000,
        autostart: true,
        autodirection: 'next',
        autohover: false,
        autodelay: 0,
        autoslideforonepage: false,

        // carousel
        minslides: 1,
        maxslides: 1,
        moveslides: 0,
        slidewidth: 0,

        // callbacks
        onsliderload: function() {},
        onslidebefore: function() {},
        onslideafter: function() {},
        onslidenext: function() {},
        onslideprev: function() {},
        onsliderresize: function() {}
    }

    $.fn.bxslider = function(options){

        if(this.length == 0) return this;

        // support mutltiple elements
        if(this.length > 1){
            this.each(function(){$(this).bxslider(options)});
            return this;
        }

        // create a namespace to be used throughout the plugin
        var slider = {};
        // set a reference to our slider element
        var el = this;
        plugin.el = this;

        /**
         * makes slideshow responsive
         */
        // first get the original window dimens (thanks alot ie)
        var windowwidth = $(window).width();
        var windowheight = $(window).height();



        /**
         * ===================================================================================
         * = private functions
         * ===================================================================================
         */

        /**
         * initializes namespace settings to be used throughout plugin
         */
        var init = function(){
            // merge user-supplied options with the defaults
            slider.settings = $.extend({}, defaults, options);
            // parse slidewidth setting
            slider.settings.slidewidth = parseint(slider.settings.slidewidth);
            // store the original children
            slider.children = el.children(slider.settings.slideselector);
            // check if actual number of slides is less than minslides / maxslides
            if(slider.children.length < slider.settings.minslides) slider.settings.minslides = slider.children.length;
            if(slider.children.length < slider.settings.maxslides) slider.settings.maxslides = slider.children.length;
            // if random start, set the startslide setting to random number
            if(slider.settings.randomstart) slider.settings.startslide = math.floor(math.random() * slider.children.length);
            // store active slide information
            slider.active = { index: slider.settings.startslide }
            // store if the slider is in carousel mode (displaying / moving multiple slides)
            slider.carousel = slider.settings.minslides > 1 || slider.settings.maxslides > 1;
            // if carousel, force preloadimages = 'all'
            if(slider.carousel) slider.settings.preloadimages = 'all';
            // calculate the min / max width thresholds based on min / max number of slides
            // used to setup and update carousel slides dimensions
            slider.minthreshold = (slider.settings.minslides * slider.settings.slidewidth) + ((slider.settings.minslides - 1) * slider.settings.slidemargin);
            slider.maxthreshold = (slider.settings.maxslides * slider.settings.slidewidth) + ((slider.settings.maxslides - 1) * slider.settings.slidemargin);
            // store the current state of the slider (if currently animating, working is true)
            slider.working = false;
            // initialize the controls object
            slider.controls = {};
            // initialize an auto interval
            slider.interval = null;
            // determine which property to use for transitions
            slider.animprop = slider.settings.mode == 'vertical' ? 'top' : 'left';
            // determine if hardware acceleration can be used
            slider.usingcss = slider.settings.usecss && slider.settings.mode != 'fade' && (function(){
                // create our test div element
                var div = document.createelement('div');
                // css transition properties
                var props = ['webkitperspective', 'mozperspective', 'operspective', 'msperspective'];
                // test for each property
                for(var i in props){
                    if(div.style[props[i]] !== undefined){
                        slider.cssprefix = props[i].replace('perspective', '').tolowercase();
                        slider.animprop = '-' + slider.cssprefix + '-transform';
                        return true;
                    }
                }
                return false;
            }());
            // if vertical mode always make maxslides and minslides equal
            if(slider.settings.mode == 'vertical') slider.settings.maxslides = slider.settings.minslides;
            // save original style data
            el.data("origstyle", el.attr("style"));
            el.children(slider.settings.slideselector).each(function() {
              $(this).data("origstyle", $(this).attr("style"));
            });
            // perform all dom / css modifications
            setup();
        }

        /**
         * performs all dom and css modifications
         */
        var setup = function(){
            // wrap el in a wrapper
            el.wrap('<div class="' + slider.settings.wrapperclass + '"><div class="bx-viewport"></div></div>');
            // store a namspace reference to .bx-viewport
            slider.viewport = el.parent();
            // add a loading div to display while images are loading
            slider.loader = $('<div class="bx-loading" />');
            slider.viewport.prepend(slider.loader);
            // set el to a massive width, to hold any needed slides
            // also strip any margin and padding from el
            el.css({
                width: slider.settings.mode == 'horizontal' ? (slider.children.length * 100 + 215) + '%' : 'auto',
                position: 'relative'
            });
            // if using css, add the easing property
            if(slider.usingcss && slider.settings.easing){
                el.css('-' + slider.cssprefix + '-transition-timing-function', slider.settings.easing);
            // if not using css and no easing value was supplied, use the default js animation easing (swing)
            }else if(!slider.settings.easing){
                slider.settings.easing = 'swing';
            }
            var slidesshowing = getnumberslidesshowing();
            // make modifications to the viewport (.bx-viewport)
            slider.viewport.css({
                width: '100%',
                overflow: 'hidden',
                position: 'relative'
            });
            slider.viewport.parent().css({
                maxwidth: getviewportmaxwidth()
            });
            // make modification to the wrapper (.bx-wrapper)
            if(!slider.settings.pager) {
                slider.viewport.parent().css({
                margin: '0 auto 0px'
                });
            }
            // apply css to all slider children
            slider.children.css({
                'float': slider.settings.mode == 'horizontal' ? 'left' : 'none',
                liststyle: 'none',
                position: 'relative'
            });
            // apply the calculated width after the float is applied to prevent scrollbar interference
            slider.children.css('width', getslidewidth());
            // if slidemargin is supplied, add the css
            if(slider.settings.mode == 'horizontal' && slider.settings.slidemargin > 0) slider.children.css('marginright', slider.settings.slidemargin);
            if(slider.settings.mode == 'vertical' && slider.settings.slidemargin > 0) slider.children.css('marginbottom', slider.settings.slidemargin);
            // if "fade" mode, add positioning and z-index css
            if(slider.settings.mode == 'fade'){
                slider.children.css({
                    position: 'absolute',
                    zindex: 0,
                    display: 'none'
                });
                // prepare the z-index on the showing element
                slider.children.eq(slider.settings.startslide).css({zindex: slider.settings.slidezindex, display: 'block'});
            }
            // create an element to contain all slider controls (pager, start / stop, etc)
            slider.controls.el = $('<div class="bx-controls" />');
            // if captions are requested, add them
            if(slider.settings.captions) appendcaptions();
            // check if startslide is last slide
            slider.active.last = slider.settings.startslide == getpagerqty() - 1;
            // if video is true, set up the fitvids plugin
            if(slider.settings.video) el.fitvids();
            // set the default preload selector (visible)
            var preloadselector = slider.children.eq(slider.settings.startslide);
            if (slider.settings.preloadimages == "all") preloadselector = slider.children;
            // only check for control addition if not in "ticker" mode
            if(!slider.settings.ticker){
                // if pager is requested, add it
                if(slider.settings.pager) appendpager();
                // if controls are requested, add them
                if(slider.settings.controls) appendcontrols();
                // if auto is true, and auto controls are requested, add them
                if(slider.settings.auto && slider.settings.autocontrols) appendcontrolsauto();
                // if any control option is requested, add the controls wrapper
                if(slider.settings.controls || slider.settings.autocontrols || slider.settings.pager) slider.viewport.after(slider.controls.el);
            // if ticker mode, do not allow a pager
            }else{
                slider.settings.pager = false;
            }
            // preload all images, then perform final dom / css modifications that depend on images being loaded
            loadelements(preloadselector, start);
        }

        var loadelements = function(selector, callback){
            var total = selector.find('img, iframe').length;
            if (total == 0){
                callback();
                return;
            }
            var count = 0;
            selector.find('img, iframe').each(function(){
                $(this).one('load', function() {
                  if(++count == total) callback();
                }).each(function() {
                  if(this.complete) $(this).load();
                });
            });
        }

        /**
         * start the slider
         */
        var start = function(){
            // if infinite loop, prepare additional slides
            if(slider.settings.infiniteloop && slider.settings.mode != 'fade' && !slider.settings.ticker){
                var slice = slider.settings.mode == 'vertical' ? slider.settings.minslides : slider.settings.maxslides;
                var sliceappend = slider.children.slice(0, slice).clone().addclass('bx-clone');
                var sliceprepend = slider.children.slice(-slice).clone().addclass('bx-clone');
                el.append(sliceappend).prepend(sliceprepend);
            }
            // remove the loading dom element
            slider.loader.remove();
            // set the left / top position of "el"
            setslideposition();
            // if "vertical" mode, always use adaptiveheight to prevent odd behavior
            if (slider.settings.mode == 'vertical') slider.settings.adaptiveheight = true;
            // set the viewport height
            slider.viewport.height(getviewportheight());
            // make sure everything is positioned just right (same as a window resize)
            el.redrawslider();
            // onsliderload callback
            slider.settings.onsliderload(slider.active.index);
            // slider has been fully initialized
            slider.initialized = true;
            // bind the resize call to the window
            if (slider.settings.responsive) $(window).bind('resize', resizewindow);
            // if auto is true and has more than 1 page, start the show
            if (slider.settings.auto && slider.settings.autostart && (getpagerqty() > 1 || slider.settings.autoslideforonepage)) initauto();
            // if ticker is true, start the ticker
            if (slider.settings.ticker) initticker();
            // if pager is requested, make the appropriate pager link active
            if (slider.settings.pager) updatepageractive(slider.settings.startslide);
            // check for any updates to the controls (like hidecontrolonend updates)
            if (slider.settings.controls) updatedirectioncontrols();
            // if touchenabled is true, setup the touch events
            if (slider.settings.touchenabled && !slider.settings.ticker) inittouch();
        }

        /**
         * returns the calculated height of the viewport, used to determine either adaptiveheight or the maxheight value
         */
        var getviewportheight = function(){
            var height = 0;
            // first determine which children (slides) should be used in our height calculation
            var children = $();
            // if mode is not "vertical" and adaptiveheight is false, include all children
            if(slider.settings.mode != 'vertical' && !slider.settings.adaptiveheight){
                children = slider.children;
            }else{
                // if not carousel, return the single active child
                if(!slider.carousel){
                    children = slider.children.eq(slider.active.index);
                // if carousel, return a slice of children
                }else{
                    // get the individual slide index
                    var currentindex = slider.settings.moveslides == 1 ? slider.active.index : slider.active.index * getmoveby();
                    // add the current slide to the children
                    children = slider.children.eq(currentindex);
                    // cycle through the remaining "showing" slides
                    for (i = 1; i <= slider.settings.maxslides - 1; i++){
                        // if looped back to the start
                        if(currentindex + i >= slider.children.length){
                            children = children.add(slider.children.eq(i - 1));
                        }else{
                            children = children.add(slider.children.eq(currentindex + i));
                        }
                    }
                }
            }
            // if "vertical" mode, calculate the sum of the heights of the children
            if(slider.settings.mode == 'vertical'){
                children.each(function(index) {
                  height += $(this).outerheight();
                });
                // add user-supplied margins
                if(slider.settings.slidemargin > 0){
                    height += slider.settings.slidemargin * (slider.settings.minslides - 1);
                }
            // if not "vertical" mode, calculate the max height of the children
            }else{
                height = math.max.apply(math, children.map(function(){
                    return $(this).outerheight(false);
                }).get());
            }

            if(slider.viewport.css('box-sizing') == 'border-box'){
                height +=   parsefloat(slider.viewport.css('padding-top')) + parsefloat(slider.viewport.css('padding-bottom')) +
                            parsefloat(slider.viewport.css('border-top-width')) + parsefloat(slider.viewport.css('border-bottom-width'));
            }else if(slider.viewport.css('box-sizing') == 'padding-box'){
                height +=   parsefloat(slider.viewport.css('padding-top')) + parsefloat(slider.viewport.css('padding-bottom'));
            }

            return height;
        }

        /**
         * returns the calculated width to be used for the outer wrapper / viewport
         */
        var getviewportmaxwidth = function(){
            var width = '100%';
            if(slider.settings.slidewidth > 0){
                if(slider.settings.mode == 'horizontal'){
                    width = (slider.settings.maxslides * slider.settings.slidewidth) + ((slider.settings.maxslides - 1) * slider.settings.slidemargin);
                }else{
                    width = slider.settings.slidewidth;
                }
            }
            return width;
        }

        /**
         * returns the calculated width to be applied to each slide
         */
        var getslidewidth = function(){
            // start with any user-supplied slide width
            var newelwidth = slider.settings.slidewidth;
            // get the current viewport width
            var wrapwidth = slider.viewport.width();
            // if slide width was not supplied, or is larger than the viewport use the viewport width
            if(slider.settings.slidewidth == 0 ||
                (slider.settings.slidewidth > wrapwidth && !slider.carousel) ||
                slider.settings.mode == 'vertical'){
                newelwidth = wrapwidth;
            // if carousel, use the thresholds to determine the width
            }else if(slider.settings.maxslides > 1 && slider.settings.mode == 'horizontal'){
                if(wrapwidth > slider.maxthreshold){
                    // newelwidth = (wrapwidth - (slider.settings.slidemargin * (slider.settings.maxslides - 1))) / slider.settings.maxslides;
                }else if(wrapwidth < slider.minthreshold){
                    newelwidth = (wrapwidth - (slider.settings.slidemargin * (slider.settings.minslides - 1))) / slider.settings.minslides;
                }
            }
            return newelwidth;
        }

        /**
         * returns the number of slides currently visible in the viewport (includes partially visible slides)
         */
        var getnumberslidesshowing = function(){
            var slidesshowing = 1;
            if(slider.settings.mode == 'horizontal' && slider.settings.slidewidth > 0){
                // if viewport is smaller than minthreshold, return minslides
                if(slider.viewport.width() < slider.minthreshold){
                    slidesshowing = slider.settings.minslides;
                // if viewport is larger than minthreshold, return maxslides
                }else if(slider.viewport.width() > slider.maxthreshold){
                    slidesshowing = slider.settings.maxslides;
                // if viewport is between min / max thresholds, divide viewport width by first child width
                }else{
                    var childwidth = slider.children.first().width() + slider.settings.slidemargin;
                    slidesshowing = math.floor((slider.viewport.width() +
                        slider.settings.slidemargin) / childwidth);
                }
            // if "vertical" mode, slides showing will always be minslides
            }else if(slider.settings.mode == 'vertical'){
                slidesshowing = slider.settings.minslides;
            }
            return slidesshowing;
        }

        /**
         * returns the number of pages (one full viewport of slides is one "page")
         */
        var getpagerqty = function(){
            var pagerqty = 0;
            // if moveslides is specified by the user
            if(slider.settings.moveslides > 0){
                if(slider.settings.infiniteloop){
                    pagerqty = math.ceil(slider.children.length / getmoveby());
                }else{
                    // use a while loop to determine pages
                    var breakpoint = 0;
                    var counter = 0
                    // when breakpoint goes above children length, counter is the number of pages
                    while (breakpoint < slider.children.length){
                        ++pagerqty;
                        breakpoint = counter + getnumberslidesshowing();
                        counter += slider.settings.moveslides <= getnumberslidesshowing() ? slider.settings.moveslides : getnumberslidesshowing();
                    }
                }
            // if moveslides is 0 (auto) divide children length by sides showing, then round up
            }else{
                pagerqty = math.ceil(slider.children.length / getnumberslidesshowing());
            }
            return pagerqty;
        }

        /**
         * returns the number of indivual slides by which to shift the slider
         */
        var getmoveby = function(){
            // if moveslides was set by the user and moveslides is less than number of slides showing
            if(slider.settings.moveslides > 0 && slider.settings.moveslides <= getnumberslidesshowing()){
                return slider.settings.moveslides;
            }
            // if moveslides is 0 (auto)
            return getnumberslidesshowing();
        }

        /**
         * sets the slider's (el) left or top position
         */
        var setslideposition = function(){
            // if last slide, not infinite loop, and number of children is larger than specified maxslides
            if(slider.children.length > slider.settings.maxslides && slider.active.last && !slider.settings.infiniteloop){
                if (slider.settings.mode == 'horizontal'){
                    // get the last child's position
                    var lastchild = slider.children.last();
                    var position = lastchild.position();
                    // set the left position
                    setpositionproperty(-(position.left - (slider.viewport.width() - lastchild.outerwidth())), 'reset', 0);
                }else if(slider.settings.mode == 'vertical'){
                    // get the last showing index's position
                    var lastshowingindex = slider.children.length - slider.settings.minslides;
                    var position = slider.children.eq(lastshowingindex).position();
                    // set the top position
                    setpositionproperty(-position.top, 'reset', 0);
                }
            // if not last slide
            }else{
                // get the position of the first showing slide
                var position = slider.children.eq(slider.active.index * getmoveby()).position();
                // check for last slide
                if (slider.active.index == getpagerqty() - 1) slider.active.last = true;
                // set the repective position
                if (position != undefined){
                    if (slider.settings.mode == 'horizontal') setpositionproperty(-position.left, 'reset', 0);
                    else if (slider.settings.mode == 'vertical') setpositionproperty(-position.top, 'reset', 0);
                }
            }
        }

        /**
         * sets the el's animating property position (which in turn will sometimes animate el).
         * if using css, sets the transform property. if not using css, sets the top / left property.
         *
         * @param value (int)
         *  - the animating property's value
         *
         * @param type (string) 'slider', 'reset', 'ticker'
         *  - the type of instance for which the function is being
         *
         * @param duration (int)
         *  - the amount of time (in ms) the transition should occupy
         *
         * @param params (array) optional
         *  - an optional parameter containing any variables that need to be passed in
         */
        var setpositionproperty = function(value, type, duration, params){
            // use css transform
            if(slider.usingcss){
                // determine the translate3d value
                var propvalue = slider.settings.mode == 'vertical' ? 'translate3d(0, ' + value + 'px, 0)' : 'translate3d(' + value + 'px, 0, 0)';
                // add the css transition-duration
                el.css('-' + slider.cssprefix + '-transition-duration', duration / 1000 + 's');
                if(type == 'slide'){
                    // set the property value
                    el.css(slider.animprop, propvalue);
                    // bind a callback method - executes when css transition completes
                    el.bind('transitionend webkittransitionend otransitionend mstransitionend', function(){
                        // unbind the callback
                        el.unbind('transitionend webkittransitionend otransitionend mstransitionend');
                        updateafterslidetransition();
                    });
                }else if(type == 'reset'){
                    el.css(slider.animprop, propvalue);
                }else if(type == 'ticker'){
                    // make the transition use 'linear'
                    el.css('-' + slider.cssprefix + '-transition-timing-function', 'linear');
                    el.css(slider.animprop, propvalue);
                    // bind a callback method - executes when css transition completes
                    el.bind('transitionend webkittransitionend otransitionend mstransitionend', function(){
                        // unbind the callback
                        el.unbind('transitionend webkittransitionend otransitionend mstransitionend');
                        // reset the position
                        setpositionproperty(params['resetvalue'], 'reset', 0);
                        // start the loop again
                        tickerloop();
                    });
                }
            // use js animate
            }else{
                var animateobj = {};
                animateobj[slider.animprop] = value;
                if(type == 'slide'){
                    el.animate(animateobj, duration, slider.settings.easing, function(){
                        updateafterslidetransition();
                    });
                }else if(type == 'reset'){
                    el.css(slider.animprop, value)
                }else if(type == 'ticker'){
                    el.animate(animateobj, speed, 'linear', function(){
                        setpositionproperty(params['resetvalue'], 'reset', 0);
                        // run the recursive loop after animation
                        tickerloop();
                    });
                }
            }
        }

        /**
         * populates the pager with proper amount of pages
         */
        var populatepager = function(){
            var pagerhtml = '';
            var pagerqty = getpagerqty();
            // loop through each pager item
            for(var i=0; i < pagerqty; i++){
                var linkcontent = '';
                // if a buildpager function is supplied, use it to get pager link value, else use index + 1
                if(slider.settings.buildpager && $.isfunction(slider.settings.buildpager)){
                    linkcontent = slider.settings.buildpager(i);
                    slider.pagerel.addclass('bx-custom-pager');
                }else{
                    linkcontent = i + 1;
                    slider.pagerel.addclass('bx-default-pager');
                }
                // var linkcontent = slider.settings.buildpager && $.isfunction(slider.settings.buildpager) ? slider.settings.buildpager(i) : i + 1;
                // add the markup to the string
                pagerhtml += '<div class="bx-pager-item"><a href="" data-slide-index="' + i + '" class="bx-pager-link">' + linkcontent + '</a></div>';
            };
            // populate the pager element with pager links
            slider.pagerel.html(pagerhtml);
        }

        /**
         * appends the pager to the controls element
         */
        var appendpager = function(){
            if(!slider.settings.pagercustom){
                // create the pager dom element
                slider.pagerel = $('<div class="bx-pager" />');
                // if a pager selector was supplied, populate it with the pager
                if(slider.settings.pagerselector){
                    $(slider.settings.pagerselector).html(slider.pagerel);
                // if no pager selector was supplied, add it after the wrapper
                }else{
                    slider.controls.el.addclass('bx-has-pager').append(slider.pagerel);
                }
                // populate the pager
                populatepager();
            }else{
                slider.pagerel = $(slider.settings.pagercustom);
            }
            // assign the pager click binding
            slider.pagerel.on('click', 'a', clickpagerbind);
        }

        /**
         * appends prev / next controls to the controls element
         */
        var appendcontrols = function(){
            slider.controls.next = $('<a class="bx-next" href="">' + slider.settings.nexttext + '</a>');
            slider.controls.prev = $('<a class="bx-prev" href="">' + slider.settings.prevtext + '</a>');
            // bind click actions to the controls
            slider.controls.next.bind('click', clicknextbind);
            slider.controls.prev.bind('click', clickprevbind);
            // if nextslector was supplied, populate it
            if(slider.settings.nextselector){
                $(slider.settings.nextselector).append(slider.controls.next);
            }
            // if prevslector was supplied, populate it
            if(slider.settings.prevselector){
                $(slider.settings.prevselector).append(slider.controls.prev);
            }
            // if no custom selectors were supplied
            if(!slider.settings.nextselector && !slider.settings.prevselector){
                // add the controls to the dom
                slider.controls.directionel = $('<div class="bx-controls-direction" />');
                // add the control elements to the directionel
                slider.controls.directionel.append(slider.controls.prev).append(slider.controls.next);
                // slider.viewport.append(slider.controls.directionel);
                slider.controls.el.addclass('bx-has-controls-direction').append(slider.controls.directionel);
            }
        }

        /**
         * appends start / stop auto controls to the controls element
         */
        var appendcontrolsauto = function(){
            slider.controls.start = $('<div class="bx-controls-auto-item"><a class="bx-start" href="">' + slider.settings.starttext + '</a></div>');
            slider.controls.stop = $('<div class="bx-controls-auto-item"><a class="bx-stop" href="">' + slider.settings.stoptext + '</a></div>');
            // add the controls to the dom
            slider.controls.autoel = $('<div class="bx-controls-auto" />');
            // bind click actions to the controls
            slider.controls.autoel.on('click', '.bx-start', clickstartbind);
            slider.controls.autoel.on('click', '.bx-stop', clickstopbind);
            // if autocontrolscombine, insert only the "start" control
            if(slider.settings.autocontrolscombine){
                slider.controls.autoel.append(slider.controls.start);
            // if autocontrolscombine is false, insert both controls
            }else{
                slider.controls.autoel.append(slider.controls.start).append(slider.controls.stop);
            }
            // if auto controls selector was supplied, populate it with the controls
            if(slider.settings.autocontrolsselector){
                $(slider.settings.autocontrolsselector).html(slider.controls.autoel);
            // if auto controls selector was not supplied, add it after the wrapper
            }else{
                slider.controls.el.addclass('bx-has-controls-auto').append(slider.controls.autoel);
            }
            // update the auto controls
            updateautocontrols(slider.settings.autostart ? 'stop' : 'start');
        }

        /**
         * appends image captions to the dom
         */
        var appendcaptions = function(){
            // cycle through each child
            slider.children.each(function(index){
                // get the image title attribute
                var title = $(this).find('img:first').attr('title');
                // append the caption
                if (title != undefined && ('' + title).length) {
                    $(this).append('<div class="bx-caption"><span>' + title + '</span></div>');
                }
            });
        }

        /**
         * click next binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clicknextbind = function(e){
            // if auto show is running, stop it
            if (slider.settings.auto) el.stopauto();
            el.gotonextslide();
            e.preventdefault();
        }

        /**
         * click prev binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clickprevbind = function(e){
            // if auto show is running, stop it
            if (slider.settings.auto) el.stopauto();
            el.gotoprevslide();
            e.preventdefault();
        }

        /**
         * click start binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clickstartbind = function(e){
            el.startauto();
            e.preventdefault();
        }

        /**
         * click stop binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clickstopbind = function(e){
            el.stopauto();
            e.preventdefault();
        }

        /**
         * click pager binding
         *
         * @param e (event)
         *  - dom event object
         */
        var clickpagerbind = function(e){
            // if auto show is running, stop it
            if (slider.settings.auto) el.stopauto();
            var pagerlink = $(e.currenttarget);
            if(pagerlink.attr('data-slide-index') !== undefined){
                var pagerindex = parseint(pagerlink.attr('data-slide-index'));
                // if clicked pager link is not active, continue with the gotoslide call
                if(pagerindex != slider.active.index) el.gotoslide(pagerindex);
                e.preventdefault();
            }
        }

        /**
         * updates the pager links with an active class
         *
         * @param slideindex (int)
         *  - index of slide to make active
         */
        var updatepageractive = function(slideindex){
            // if "short" pager type
            var len = slider.children.length; // nb of children
            if(slider.settings.pagertype == 'short'){
                if(slider.settings.maxslides > 1) {
                    len = math.ceil(slider.children.length/slider.settings.maxslides);
                }
                slider.pagerel.html( (slideindex + 1) + slider.settings.pagershortseparator + len);
                return;
            }
            // remove all pager active classes
            slider.pagerel.find('a').removeclass('active');
            // apply the active class for all pagers
            slider.pagerel.each(function(i, el) { $(el).find('a').eq(slideindex).addclass('active'); });
        }

        /**
         * performs needed actions after a slide transition
         */
        var updateafterslidetransition = function(){
            // if infinte loop is true
            if(slider.settings.infiniteloop){
                var position = '';
                // first slide
                if(slider.active.index == 0){
                    // set the new position
                    position = slider.children.eq(0).position();
                // carousel, last slide
                }else if(slider.active.index == getpagerqty() - 1 && slider.carousel){
                    position = slider.children.eq((getpagerqty() - 1) * getmoveby()).position();
                // last slide
                }else if(slider.active.index == slider.children.length - 1){
                    position = slider.children.eq(slider.children.length - 1).position();
                }
                if(position){
                    if (slider.settings.mode == 'horizontal') { setpositionproperty(-position.left, 'reset', 0); }
                    else if (slider.settings.mode == 'vertical') { setpositionproperty(-position.top, 'reset', 0); }
                }
            }
            // declare that the transition is complete
            slider.working = false;
            // onslideafter callback
            slider.settings.onslideafter(slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
        }

        /**
         * updates the auto controls state (either active, or combined switch)
         *
         * @param state (string) "start", "stop"
         *  - the new state of the auto show
         */
        var updateautocontrols = function(state){
            // if autocontrolscombine is true, replace the current control with the new state
            if(slider.settings.autocontrolscombine){
                slider.controls.autoel.html(slider.controls[state]);
            // if autocontrolscombine is false, apply the "active" class to the appropriate control
            }else{
                slider.controls.autoel.find('a').removeclass('active');
                slider.controls.autoel.find('a:not(.bx-' + state + ')').addclass('active');
            }
        }

        /**
         * updates the direction controls (checks if either should be hidden)
         */
        var updatedirectioncontrols = function(){
            if(getpagerqty() == 1){
                slider.controls.prev.addclass('disabled');
                slider.controls.next.addclass('disabled');
            }else if(!slider.settings.infiniteloop && slider.settings.hidecontrolonend){
                // if first slide
                if (slider.active.index == 0){
                    slider.controls.prev.addclass('disabled');
                    slider.controls.next.removeclass('disabled');
                // if last slide
                }else if(slider.active.index == getpagerqty() - 1){
                    slider.controls.next.addclass('disabled');
                    slider.controls.prev.removeclass('disabled');
                // if any slide in the middle
                }else{
                    slider.controls.prev.removeclass('disabled');
                    slider.controls.next.removeclass('disabled');
                }
            }
        }

        /**
         * initialzes the auto process
         */
        var initauto = function(){
            // if autodelay was supplied, launch the auto show using a settimeout() call
            if(slider.settings.autodelay > 0){
                var timeout = settimeout(el.startauto, slider.settings.autodelay);
            // if autodelay was not supplied, start the auto show normally
            }else{
                el.startauto();
            }
            // if autohover is requested
            if(slider.settings.autohover){
                // on el hover
                el.hover(function(){
                    // if the auto show is currently playing (has an active interval)
                    if(slider.interval){
                        // stop the auto show and pass true agument which will prevent control update
                        el.stopauto(true);
                        // create a new autopaused value which will be used by the relative "mouseout" event
                        slider.autopaused = true;
                    }
                }, function(){
                    // if the autopaused value was created be the prior "mouseover" event
                    if(slider.autopaused){
                        // start the auto show and pass true agument which will prevent control update
                        el.startauto(true);
                        // reset the autopaused value
                        slider.autopaused = null;
                    }
                });
            }
        }

        /**
         * initialzes the ticker process
         */
        var initticker = function(){
            var startposition = 0;
            // if autodirection is "next", append a clone of the entire slider
            if(slider.settings.autodirection == 'next'){
                el.append(slider.children.clone().addclass('bx-clone'));
            // if autodirection is "prev", prepend a clone of the entire slider, and set the left position
            }else{
                el.prepend(slider.children.clone().addclass('bx-clone'));
                var position = slider.children.first().position();
                startposition = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
            }
            setpositionproperty(startposition, 'reset', 0);
            // do not allow controls in ticker mode
            slider.settings.pager = false;
            slider.settings.controls = false;
            slider.settings.autocontrols = false;
            // if autohover is requested
            if(slider.settings.tickerhover && !slider.usingcss){
                // on el hover
                slider.viewport.hover(function(){
                    el.stop();
                }, function(){
                    // calculate the total width of children (used to calculate the speed ratio)
                    var totaldimens = 0;
                    slider.children.each(function(index){
                      totaldimens += slider.settings.mode == 'horizontal' ? $(this).outerwidth(true) : $(this).outerheight(true);
                    });
                    // calculate the speed ratio (used to determine the new speed to finish the paused animation)
                    var ratio = slider.settings.speed / totaldimens;
                    // determine which property to use
                    var property = slider.settings.mode == 'horizontal' ? 'left' : 'top';
                    // calculate the new speed
                    var newspeed = ratio * (totaldimens - (math.abs(parseint(el.css(property)))));
                    tickerloop(newspeed);
                });
            }
            // start the ticker loop
            tickerloop();
        }

        /**
         * runs a continuous loop, news ticker-style
         */
        var tickerloop = function(resumespeed){
            speed = resumespeed ? resumespeed : slider.settings.speed;
            var position = {left: 0, top: 0};
            var reset = {left: 0, top: 0};
            // if "next" animate left position to last child, then reset left to 0
            if(slider.settings.autodirection == 'next'){
                position = el.find('.bx-clone').first().position();
            // if "prev" animate left position to 0, then reset left to first non-clone child
            }else{
                reset = slider.children.first().position();
            }
            var animateproperty = slider.settings.mode == 'horizontal' ? -position.left : -position.top;
            var resetvalue = slider.settings.mode == 'horizontal' ? -reset.left : -reset.top;
            var params = {resetvalue: resetvalue};
            setpositionproperty(animateproperty, 'ticker', speed, params);
        }

        /**
         * initializes touch events
         */
        var inittouch = function(){
            // initialize object to contain all touch values
            slider.touch = {
                start: {x: 0, y: 0},
                end: {x: 0, y: 0}
            }
            slider.viewport.bind('touchstart', ontouchstart);
        }

        /**
         * event handler for "touchstart"
         *
         * @param e (event)
         *  - dom event object
         */
        var ontouchstart = function(e){
            if(slider.working){
                e.preventdefault();
            }else{
                // record the original position when touch starts
                slider.touch.originalpos = el.position();
                var orig = e.originalevent;
                // record the starting touch x, y coordinates
                slider.touch.start.x = orig.changedtouches[0].pagex;
                slider.touch.start.y = orig.changedtouches[0].pagey;
                // bind a "touchmove" event to the viewport
                slider.viewport.bind('touchmove', ontouchmove);
                // bind a "touchend" event to the viewport
                slider.viewport.bind('touchend', ontouchend);
            }
        }

        /**
         * event handler for "touchmove"
         *
         * @param e (event)
         *  - dom event object
         */
        var ontouchmove = function(e){
            var orig = e.originalevent;
            // if scrolling on y axis, do not prevent default
            var xmovement = math.abs(orig.changedtouches[0].pagex - slider.touch.start.x);
            var ymovement = math.abs(orig.changedtouches[0].pagey - slider.touch.start.y);
            // x axis swipe
            if((xmovement * 3) > ymovement && slider.settings.preventdefaultswipex){
                e.preventdefault();
            // y axis swipe
            }else if((ymovement * 3) > xmovement && slider.settings.preventdefaultswipey){
                e.preventdefault();
            }
            if(slider.settings.mode != 'fade' && slider.settings.onetoonetouch){
                var value = 0;
                // if horizontal, drag along x axis
                if(slider.settings.mode == 'horizontal'){
                    var change = orig.changedtouches[0].pagex - slider.touch.start.x;
                    value = slider.touch.originalpos.left + change;
                // if vertical, drag along y axis
                }
//              else{
//                  var change = orig.changedtouches[0].pagey - slider.touch.start.y;
//                  value = slider.touch.originalpos.top + change;
//              }
                setpositionproperty(value, 'reset', 0);
            }
        }

        /**
         * event handler for "touchend"
         *
         * @param e (event)
         *  - dom event object
         */
        var ontouchend = function(e){
            slider.viewport.unbind('touchmove', ontouchmove);
            var orig = e.originalevent;
            var value = 0;
            // record end x, y positions
            slider.touch.end.x = orig.changedtouches[0].pagex;
            slider.touch.end.y = orig.changedtouches[0].pagey;
            // if fade mode, check if absolute x distance clears the threshold
            if(slider.settings.mode == 'fade'){
                var distance = math.abs(slider.touch.start.x - slider.touch.end.x);
                if(distance >= slider.settings.swipethreshold){
                    slider.touch.start.x > slider.touch.end.x ? el.gotonextslide() : el.gotoprevslide();
                    el.stopauto();
                }
            // not fade mode
            }else{
                var distance = 0;
                // calculate distance and el's animate property
                if(slider.settings.mode == 'horizontal'){
                    distance = slider.touch.end.x - slider.touch.start.x;
                    value = slider.touch.originalpos.left;
                }else{
                    distance = slider.touch.end.y - slider.touch.start.y;
                    value = slider.touch.originalpos.top;
                }
                // if not infinite loop and first / last slide, do not attempt a slide transition
                if(!slider.settings.infiniteloop && ((slider.active.index == 0 && distance > 0) || (slider.active.last && distance < 0))){
                    setpositionproperty(value, 'reset', 200);
                }else{
                    // check if distance clears threshold
                    if(math.abs(distance) >= slider.settings.swipethreshold){
                        distance < 0 ? el.gotonextslide() : el.gotoprevslide();
                        el.stopauto();
                    }else{
                        // el.animate(property, 200);
                        setpositionproperty(value, 'reset', 200);
                    }
                }
            }
            slider.viewport.unbind('touchend', ontouchend);
        }

        /**
         * window resize event callback
         */
        var resizewindow = function(e){
            // don't do anything if slider isn't initialized.
            if(!slider.initialized) return;
            // get the new window dimens (again, thank you ie)
            var windowwidthnew = $(window).width();
            var windowheightnew = $(window).height();
            // make sure that it is a true window resize
            // *we must check this because our dinosaur friend ie fires a window resize event when certain dom elements
            // are resized. can you just die already?*
            if(windowwidth != windowwidthnew || windowheight != windowheightnew){
                // set the new window dimens
                windowwidth = windowwidthnew;
                windowheight = windowheightnew;
                // update all dynamic elements
                el.redrawslider();
                // call user resize handler
                slider.settings.onsliderresize.call(el, slider.active.index);
            }
        }

        /**
         * ===================================================================================
         * = public functions
         * ===================================================================================
         */

        /**
         * performs slide transition to the specified slide
         *
         * @param slideindex (int)
         *  - the destination slide's index (zero-based)
         *
         * @param direction (string)
         *  - internal use only - the direction of travel ("prev" / "next")
         */
        el.gotoslide = function(slideindex, direction){
            // if plugin is currently in motion, ignore request
            if(slider.working || slider.active.index == slideindex) return;
            // declare that plugin is in motion
            slider.working = true;
            // store the old index
            slider.oldindex = slider.active.index;
            // if slideindex is less than zero, set active index to last child (this happens during infinite loop)
            if(slideindex < 0){
                slider.active.index = getpagerqty() - 1;
            // if slideindex is greater than children length, set active index to 0 (this happens during infinite loop)
            }else if(slideindex >= getpagerqty()){
                slider.active.index = 0;
            // set active index to requested slide
            }else{
                slider.active.index = slideindex;
            }
            // onslidebefore, onslidenext, onslideprev callbacks
            slider.settings.onslidebefore(slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
            if(direction == 'next'){
                slider.settings.onslidenext(slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
            }else if(direction == 'prev'){
                slider.settings.onslideprev(slider.children.eq(slider.active.index), slider.oldindex, slider.active.index);
            }
            // check if last slide
            slider.active.last = slider.active.index >= getpagerqty() - 1;
            // update the pager with active class
            if(slider.settings.pager) updatepageractive(slider.active.index);
            // // check for direction control update
            if(slider.settings.controls) updatedirectioncontrols();
            // if slider is set to mode: "fade"
            if(slider.settings.mode == 'fade'){
                // if adaptiveheight is true and next height is different from current height, animate to the new height
                if(slider.settings.adaptiveheight && slider.viewport.height() != getviewportheight()){
                    slider.viewport.animate({height: getviewportheight()}, slider.settings.adaptiveheightspeed);
                }
                // fade out the visible child and reset its z-index value
                slider.children.filter(':visible').fadeout(slider.settings.speed).css({zindex: 0});
                // fade in the newly requested slide
                slider.children.eq(slider.active.index).css('zindex', slider.settings.slidezindex+1).fadein(slider.settings.speed, function(){
                    $(this).css('zindex', slider.settings.slidezindex);
                    updateafterslidetransition();
                });
            // slider mode is not "fade"
            }else{
                // if adaptiveheight is true and next height is different from current height, animate to the new height
                if(slider.settings.adaptiveheight && slider.viewport.height() != getviewportheight()){
                    slider.viewport.animate({height: getviewportheight()}, slider.settings.adaptiveheightspeed);
                }
                var moveby = 0;
                var position = {left: 0, top: 0};
                // if carousel and not infinite loop
                if(!slider.settings.infiniteloop && slider.carousel && slider.active.last){
                    if(slider.settings.mode == 'horizontal'){
                        // get the last child position
                        var lastchild = slider.children.eq(slider.children.length - 1);
                        position = lastchild.position();
                        // calculate the position of the last slide
                        moveby = slider.viewport.width() - lastchild.outerwidth();
                    }else{
                        // get last showing index position
                        var lastshowingindex = slider.children.length - slider.settings.minslides;
                        position = slider.children.eq(lastshowingindex).position();
                    }
                    // horizontal carousel, going previous while on first slide (infiniteloop mode)
                }else if(slider.carousel && slider.active.last && direction == 'prev'){
                    // get the last child position
                    var eq = slider.settings.moveslides == 1 ? slider.settings.maxslides - getmoveby() : ((getpagerqty() - 1) * getmoveby()) - (slider.children.length - slider.settings.maxslides);
                    var lastchild = el.children('.bx-clone').eq(eq);
                    position = lastchild.position();
                // if infinite loop and "next" is clicked on the last slide
                }else if(direction == 'next' && slider.active.index == 0){
                    // get the last clone position
                    position = el.find('> .bx-clone').eq(slider.settings.maxslides).position();
                    slider.active.last = false;
                // normal non-zero requests
                }else if(slideindex >= 0){
                    var requestel = slideindex * getmoveby();
                    position = slider.children.eq(requestel).position();
                }

                /* if the position doesn't exist
                 * (e.g. if you destroy the slider on a next click),
                 * it doesn't throw an error.
                 */
                if ("undefined" !== typeof(position)) {
                    var value = slider.settings.mode == 'horizontal' ? -(position.left - moveby) : -position.top;
                    // plugin values to be animated
                    setpositionproperty(value, 'slide', slider.settings.speed);
                }
            }
        }

        /**
         * transitions to the next slide in the show
         */
        el.gotonextslide = function(){
            // if infiniteloop is false and last page is showing, disregard call
            if (!slider.settings.infiniteloop && slider.active.last) return;
            var pagerindex = parseint(slider.active.index) + 1;
            el.gotoslide(pagerindex, 'next');
        }

        /**
         * transitions to the prev slide in the show
         */
        el.gotoprevslide = function(){
            // if infiniteloop is false and last page is showing, disregard call
            if (!slider.settings.infiniteloop && slider.active.index == 0) return;
            var pagerindex = parseint(slider.active.index) - 1;
            el.gotoslide(pagerindex, 'prev');
        }

        /**
         * starts the auto show
         *
         * @param preventcontrolupdate (boolean)
         *  - if true, auto controls state will not be updated
         */
        el.startauto = function(preventcontrolupdate){
            // if an interval already exists, disregard call
            if(slider.interval) return;
            // create an interval
            slider.interval = setinterval(function(){
                slider.settings.autodirection == 'next' ? el.gotonextslide() : el.gotoprevslide();
            }, slider.settings.pause);
            // if auto controls are displayed and preventcontrolupdate is not true
            if (slider.settings.autocontrols && preventcontrolupdate != true) updateautocontrols('stop');
        }

        /**
         * stops the auto show
         *
         * @param preventcontrolupdate (boolean)
         *  - if true, auto controls state will not be updated
         */
        el.stopauto = function(preventcontrolupdate){
            // if no interval exists, disregard call
            if(!slider.interval) return;
            // clear the interval
            clearinterval(slider.interval);
            slider.interval = null;
            // if auto controls are displayed and preventcontrolupdate is not true
            if (slider.settings.autocontrols && preventcontrolupdate != true) updateautocontrols('start');
        }

        /**
         * returns current slide index (zero-based)
         */
        el.getcurrentslide = function(){
            return slider.active.index;
        }

        /**
         * returns current slide element
         */
        el.getcurrentslideelement = function(){
            return slider.children.eq(slider.active.index);
        }

        /**
         * returns number of slides in show
         */
        el.getslidecount = function(){
            return slider.children.length;
        }

        /**
         * update all dynamic slider elements
         */
        el.redrawslider = function(){
            // resize all children in ratio to new screen size
            slider.children.add(el.find('.bx-clone')).width(getslidewidth());
            // adjust the height
            slider.viewport.css('height', getviewportheight());
            // update the slide position
            if(!slider.settings.ticker) setslideposition();
            // if active.last was true before the screen resize, we want
            // to keep it last no matter what screen size we end on
            if (slider.active.last) slider.active.index = getpagerqty() - 1;
            // if the active index (page) no longer exists due to the resize, simply set the index as last
            if (slider.active.index >= getpagerqty()) slider.active.last = true;
            // if a pager is being displayed and a custom pager is not being used, update it
            if(slider.settings.pager && !slider.settings.pagercustom){
                populatepager();
                updatepageractive(slider.active.index);
            }
        }

        /**
         * destroy the current instance of the slider (revert everything back to original state)
         */
        el.destroyslider = function(){
            // don't do anything if slider has already been destroyed
            if(!slider.initialized) return;
            slider.initialized = false;
            $('.bx-clone', this).remove();
            slider.children.each(function() {
                $(this).data("origstyle") != undefined ? $(this).attr("style", $(this).data("origstyle")) : $(this).removeattr('style');
            });
            $(this).data("origstyle") != undefined ? this.attr("style", $(this).data("origstyle")) : $(this).removeattr('style');
            $(this).unwrap().unwrap();
            if(slider.controls.el) slider.controls.el.remove();
            if(slider.controls.next) slider.controls.next.remove();
            if(slider.controls.prev) slider.controls.prev.remove();
            if(slider.pagerel && slider.settings.controls) slider.pagerel.remove();
            $('.bx-caption', this).remove();
            if(slider.controls.autoel) slider.controls.autoel.remove();
            clearinterval(slider.interval);
            if(slider.settings.responsive) $(window).unbind('resize', resizewindow);
        }

        /**
         * reload the slider (revert all dom changes, and re-initialize)
         */
        el.reloadslider = function(settings){
            if (settings != undefined) options = settings;
            el.destroyslider();
            init();
        }

        init();

        // returns the current jquery object
        return this;
    }

})(jquery);