/*jquery.als v.1.7 | (c) 2012, 2014 Federica Sibella musings(at)musings(dot)it | http://www.musings.it | MIT license.*/
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a={visible_items:3,scrolling_items:1,orientation:"horizontal",circular:"no",autoscroll:"no",interval:4e3,speed:600,easing:"swing",direction:"left",start_from:0},l=e(this),c=l.data("als"),m=e(),d=e(),u=e(),p=e(),h=e(),v=e(),f=0,w=0,T=0,g=0,_=0,y=0,x=0,k=0,b=0,E=0,q=0,H=0,W={};switch(W.swipeTreshold=100,W.allowedTime=300,m=e.extend(a,t),"no"==m.circular&&"yes"==m.autoscroll&&(m.circular="yes"),("linear"!=m.easing||"swing"!=m.easing)&&(m.easing="swing"),l.attr("id")&&""!=l.attr("id")||l.attr("id","als-container_"+s),l.attr("data-id","als-container_"+s),p=l.find(".als-viewport").attr("data-id","als-viewport_"+s),u=l.find(".als-wrapper").attr("data-id","als-wrapper_"+s),d=l.find(".als-item"),f=d.size(),m.visible_items>f&&(m.visible_items=f-1),m.scrolling_items>m.visible_items&&(m.visible_items>1?m.scrolling_items=m.visible_items-1:1===m.visible_items&&(m.scrolling_items=m.visible_items)),m.start_from>f-m.visible_items&&(m.start_from=0),h=l.find(".prev").attr("data-id","als-prev_"+s),v=l.find(".next").attr("data-id","next_"+s),m.orientation){case"horizontal":default:if(d.each(function(t){e(this).attr("id","als-item_"+s+"_"+t),T+=e(this).outerWidth(!0),e(this).outerHeight(!0)>x&&(x=e(this).outerHeight(!0)),b<m.visible_items&&(0==m.start_from?(w+=e(this).outerWidth(!0),b++):t>=m.start_from&&(w+=e(this).outerWidth(!0),b++)),0!=m.start_from&&(E<m.start_from&&(y+=e(this).outerWidth(!0),E++),q=m.start_from)}),u.css("width",T),d.css("left",-y),p.css("width",w),u.css("height",x),p.css("height",x),"yes"==m.circular&&0!=m.start_from)for(r=0;r<m.start_from;r++){var z=d.last().position(),D=z.left+d.last().outerWidth(!0);d.eq(r).css("left",D)}break;case"vertical":if(d.each(function(t){e(this).attr("id","als-item_"+s+"_"+t),_+=e(this).outerHeight(!0),e(this).outerWidth(!0)>k&&(k=e(this).outerWidth(!0)),b<m.visible_items&&(0==m.start_from?(g+=e(this).outerHeight(!0),b++):t>=m.start_from&&(g+=e(this).outerHeight(!0),b++)),0!=m.start_from&&(E<m.start_from&&(y+=e(this).outerHeight(!0),E++),q=m.start_from)}),u.css("height",_),d.css("top",-y),p.css("height",g),u.css("width",k),p.css("width",k),"yes"==m.circular&&0!=m.start_from)for(r=0;r<m.start_from;r++){var z=d.last().position(),X=z.top+d.last().outerHeight(!0);d.eq(r).css("top",X)}}return"no"==m.circular&&(0==m.start_from&&h.css("display","none"),m.visible_items+m.start_from==f&&v.css("display","none")),v.on("click touchstart touchend",i),h.on("click touchstart touchend",o),p.on("touchstart",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];W.ox=t.pageX,W.oy=t.pageY,W.startTime=(new Date).getTime()}),p.on("touchmove",function(){}),p.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];W.dx=t.pageX-W.ox,W.dy=t.pageY-W.oy,W.endTime=(new Date).getTime()-W.startTime,"horizontal"==m.orientation?W.dx<-W.swipeTreshold&&W.endTime<W.allowedTime?("yes"==m.circular||m.visible_items+m.start_from<f)&&i(e,p):W.dx>W.swipeTreshold&&W.endTime<W.allowedTime&&("yes"==m.circular||m.start_from>0)&&o(e,p):W.dy<-W.swipeTreshold&&W.endTime<W.allowedTime?("yes"==m.circular||m.visible_items+m.start_from<f)&&i(e,p):W.dy>W.swipeTreshold&&W.endTime<W.allowedTime&&("yes"==m.circular||m.start_from>0)&&o(e,p)}),l.data("als",{container:l,instance:s,options:m,viewport:p,wrapper:u,prev:h,next:v,item:d,num_items:f,wrapper_width:T,viewport_width:w,wrapper_height:_,viewport_height:g,current:q,timer:H,mm:W}),c=l.data("als"),n[s]=c,"yes"==m.autoscroll?(e.fn.als("start",s),u.hover(function(){e.fn.als("stop",e(this).attr("data-id"))},function(){e.fn.als("start",e(this).attr("data-id"))})):"no"==m.autoscroll&&e.fn.als("stop",s),s++,n})},next:function(e){e=t(e);var r=n[e],s=r.mm,a=0,l=0;switch(r.options.orientation){case"horizontal":default:var c=0,m=0;switch(r.options.circular){case"no":default:for(a=r.current;a<r.current+r.options.scrolling_items;a++)c+=r.item.eq(a).outerWidth(!0);for(r.current+=r.options.scrolling_items,l=r.current;l<r.current+r.options.visible_items;l++)m+=r.item.eq(l).outerWidth(!0);r.viewport.animate({width:m},r.options.speed,r.options.easing),r.item.animate({left:"-="+c},r.options.speed,r.options.easing),r.item.promise().done(function(){r.next.on("click touchstart touchend",i),r.prev.on("click touchstart touchend",o),r.viewport.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];s.dx=t.pageX-s.ox,s.dy=t.pageY-s.oy,s.endTime=(new Date).getTime()-s.startTime,"horizontal"==r.options.orientation?s.dx<-s.swipeTreshold&&s.endTime<s.allowedTime?r.current+r.options.visible_items<r.num_items&&i(e,r.viewport):s.dx>s.swipeTreshold&&s.endTime<s.allowedTime&&r.current>0&&o(e,r.viewport):s.dy<-s.swipeTreshold&&s.endTime<s.allowedTime?r.current+r.options.visible_items<r.num_items&&i(e,r.viewport):s.dy>s.swipeTreshold&&s.endTime<s.allowedTime&&r.current>0&&o(e,r.viewport)})}),r.current>0&&r.prev.show(),r.current+r.options.visible_items>=r.num_items&&r.next.hide();break;case"yes":var d=0,u=[];for(a=r.current;a<r.current+r.options.scrolling_items;a++){var p=a;a>=r.num_items&&(p=a-r.num_items),c+=r.item.eq(p).outerWidth(!0),u[d]=p,d++}for(r.current+=r.options.scrolling_items,r.current>=r.num_items&&(r.current-=r.num_items),l=r.current;l<r.current+r.options.visible_items;l++){var h=l;l>=r.num_items&&(h=l-r.num_items),m+=r.item.eq(h).outerWidth(!0)}r.viewport.animate({width:m},r.options.speed,r.options.easing),r.item.animate({left:"-="+c},r.options.speed,r.options.easing),r.item.promise().done(function(){var e=r.item.last().position(),t=e.left+r.item.last().outerWidth(!0);for(k5=0;k5<u.length;k5++){if(0==u[k5])var e=r.item.last().position(),t=e.left+r.item.last().outerWidth(!0);r.item.eq(u[k5]).css("left",t)}r.next.on("click touchstart touchend",i),r.prev.on("click touchstart touchend",o),r.viewport.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];s.dx=t.pageX-s.ox,s.dy=t.pageY-s.oy,s.endTime=(new Date).getTime()-s.startTime,"horizontal"==r.options.orientation?s.dx<-s.swipeTreshold&&s.endTime<s.allowedTime?i(e,r.viewport):s.dx>s.swipeTreshold&&s.endTime<s.allowedTime&&o(e,r.viewport):s.dy<-s.swipeTreshold&&s.endTime<s.allowedTime?i(e,r.viewport):s.dy>s.swipeTreshold&&s.endTime<s.allowedTime&&o(e,r.viewport)})})}break;case"vertical":var v=0,f=0;switch(r.options.circular){case"no":default:for(a=r.current;a<r.current+r.options.scrolling_items;a++)v+=r.item.eq(a).outerHeight(!0);for(r.current+=r.options.scrolling_items,l=r.current;l<r.current+r.options.visible_items;l++)f+=r.item.eq(l).outerHeight(!0);r.viewport.animate({height:f},r.options.speed,r.options.easing),r.item.animate({top:"-="+v},r.options.speed,r.options.easing),r.item.promise().done(function(){r.next.on("click touchstart touchend",i),r.prev.on("click touchstart touchend",o),r.viewport.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];s.dx=t.pageX-s.ox,s.dy=t.pageY-s.oy,s.endTime=(new Date).getTime()-s.startTime,"horizontal"==r.options.orientation?s.dx<-s.swipeTreshold&&s.endTime<s.allowedTime?r.current+r.options.visible_items<r.num_items&&i(e,r.viewport):s.dx>s.swipeTreshold&&s.endTime<s.allowedTime&&r.current>0&&o(e,r.viewport):s.dy<-s.swipeTreshold&&s.endTime<s.allowedTime?r.current+r.options.visible_items<r.num_items&&i(e,r.viewport):s.dy>s.swipeTreshold&&s.endTime<s.allowedTime&&r.current>0&&o(e,r.viewport)})}),r.current>0&&r.prev.show(),r.current+r.options.visible_items>=r.num_items&&r.next.hide();break;case"yes":var d=0,u=[];for(a=r.current;a<r.current+r.options.scrolling_items;a++){var p=a;a>=r.num_items&&(p=a-r.num_items),v+=r.item.eq(p).outerHeight(!0),u[d]=p,d++}for(r.current+=r.options.scrolling_items,r.current>=r.num_items&&(r.current-=r.num_items),l=r.current;l<r.current+r.options.visible_items;l++){var h=l;l>=r.num_items&&(h=l-r.num_items),f+=r.item.eq(h).outerHeight(!0)}r.viewport.animate({height:f}),r.item.animate({top:"-="+v}),r.item.promise().done(function(){var e=r.item.last().position(),t=e.top+r.item.last().outerHeight(!0);for(k5=0;k5<u.length;k5++){if(0==u[k5])var e=r.item.last().position(),t=e.top+r.item.last().outerHeight(!0);r.item.eq(u[k5]).css("top",t)}r.next.on("click touchstart touchend",i),r.prev.on("click touchstart touchend",o),r.viewport.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];s.dx=t.pageX-s.ox,s.dy=t.pageY-s.oy,s.endTime=(new Date).getTime()-s.startTime,"horizontal"==r.options.orientation?s.dx<-s.swipeTreshold&&s.endTime<s.allowedTime?i(e,r.viewport):s.dx>s.swipeTreshold&&s.endTime<s.allowedTime&&o(e,r.viewport):s.dy<-s.swipeTreshold&&s.endTime<s.allowedTime?i(e,r.viewport):s.dy>s.swipeTreshold&&s.endTime<s.allowedTime&&o(e,r.viewport)})})}}return n[e]=r,n},prev:function(e){e=t(e);var r=n[e],s=r.mm,a=0,l=0;switch(r.options.orientation){case"horizontal":default:var c=0,m=0;switch(r.options.circular){case"no":default:for(r.current-=r.options.scrolling_items,a=r.current;a<r.current+r.options.scrolling_items;a++)c+=r.item.eq(a).outerWidth(!0);for(l=r.current;l<r.current+r.options.visible_items;l++)m+=r.item.eq(l).outerWidth(!0);r.viewport.animate({width:m}),r.item.animate({left:"+="+c},r.options.speed,r.options.easing),r.item.promise().done(function(){r.next.on("click touchstart touchend",i),r.prev.on("click touchstart touchend",o),r.viewport.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];s.dx=t.pageX-s.ox,s.dy=t.pageY-s.oy,s.endTime=(new Date).getTime()-s.startTime,"horizontal"==r.options.orientation?s.dx<-s.swipeTreshold&&s.endTime<s.allowedTime?r.current+r.options.visible_items<r.num_items&&i(e,r.viewport):s.dx>s.swipeTreshold&&s.endTime<s.allowedTime&&r.current>0&&o(e,r.viewport):s.dy<-s.swipeTreshold&&s.endTime<s.allowedTime?r.current+r.options.visible_items<r.num_items&&i(e,r.viewport):s.dy>s.swipeTreshold&&s.endTime<s.allowedTime&&r.current>0&&o(e,r.viewport)})}),r.current<=0&&r.prev.hide(),r.current+r.options.visible_items<r.num_items&&r.next.show();break;case"yes":var d=0,u=[];for(r.current-=r.options.scrolling_items,r.current<0&&(r.current+=r.num_items),a=r.current;a<r.current+r.options.scrolling_items;a++){var p=a;a>=r.num_items&&(p=a-r.num_items),c+=r.item.eq(p).outerWidth(!0),u[d]=p,d++}for(l=r.current;l<r.current+r.options.visible_items;l++){var h=l;l>=r.num_items&&(h=l-r.num_items),m+=r.item.eq(h).outerWidth(!0)}var v=r.item.first().position(),f=v.left-r.wrapper_width;for(k5=0;k5<u.length;k5++)if(r.item.eq(u[k5]).css("left",f),0==u[k5]){var w=r.item.eq(0).position(),T=w.left-r.wrapper_width;for(k6=0;k5>k6;k6++)r.item.eq(u[k6]).css("left",T)}setTimeout(function(){r.viewport.animate({width:m}),r.item.animate({left:"+="+c},r.options.speed,r.options.easing),r.item.promise().done(function(){r.next.on("click touchstart touchend",i),r.prev.on("click touchstart touchend",o),r.viewport.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];s.dx=t.pageX-s.ox,s.dy=t.pageY-s.oy,s.endTime=(new Date).getTime()-s.startTime,"horizontal"==r.options.orientation?s.dx<-s.swipeTreshold&&s.endTime<s.allowedTime?i(e,r.viewport):s.dx>s.swipeTreshold&&s.endTime<s.allowedTime&&o(e,r.viewport):s.dy<-s.swipeTreshold&&s.endTime<s.allowedTime?i(e,r.viewport):s.dy>s.swipeTreshold&&s.endTime<s.allowedTime&&o(e,r.viewport)})})},200)}break;case"vertical":var g=0,_=0;switch(r.options.circular){case"no":default:for(r.current-=r.options.scrolling_items,a=r.current;a<r.current+r.options.scrolling_items;a++)g+=r.item.eq(a).outerHeight(!0);for(l=r.current;l<r.current+r.options.visible_items;l++)_+=r.item.eq(l).outerHeight(!0);r.viewport.animate({height:_}),r.item.animate({top:"+="+g},r.options.speed,r.options.easing),r.item.promise().done(function(){r.next.on("click touchstart touchend",i),r.prev.on("click touchstart touchend",o),r.viewport.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];s.dx=t.pageX-s.ox,s.dy=t.pageY-s.oy,s.endTime=(new Date).getTime()-s.startTime,"horizontal"==r.options.orientation?s.dx<-s.swipeTreshold&&s.endTime<s.allowedTime?r.current+r.options.visible_items<r.num_items&&i(e,r.viewport):s.dx>s.swipeTreshold&&s.endTime<s.allowedTime&&r.current>0&&o(e,r.viewport):s.dy<-s.swipeTreshold&&s.endTime<s.allowedTime?r.current+r.options.visible_items<r.num_items&&i(e,r.viewport):s.dy>s.swipeTreshold&&s.endTime<s.allowedTime&&r.current>0&&o(e,r.viewport)})}),r.current<=0&&r.prev.hide(),r.current+r.options.visible_items<r.num_items&&r.next.show();break;case"yes":var d=0,u=[];for(r.current-=r.options.scrolling_items,r.current<0&&(r.current+=r.num_items),a=r.current;a<r.current+r.options.scrolling_items;a++){var p=a;a>=r.num_items&&(p=a-r.num_items),g+=r.item.eq(p).outerHeight(!0),u[d]=p,d++}for(l=r.current;l<r.current+r.options.visible_items;l++){var h=l;l>=r.num_items&&(h=l-r.num_items),_+=r.item.eq(h).outerHeight(!0)}var v=r.item.first().position(),y=v.top-r.wrapper_height;for(k5=0;k5<u.length;k5++)if(r.item.eq(u[k5]).css("top",y),0==u[k5]){var w=r.item.eq(0).position(),x=w.top-r.wrapper_height;for(k6=0;k5>k6;k6++)r.item.eq(u[k6]).css("top",x)}setTimeout(function(){r.viewport.animate({height:_},r.options.speed,r.options.easing),r.item.animate({top:"+="+g},r.options.speed,r.options.easing),r.item.promise().done(function(){r.next.on("click touchstart touchend",i),r.prev.on("click touchstart touchend",o),r.viewport.on("touchend",function(e){if(void 0==e.originalEvent.touches)var t=e;else var t=e.originalEvent.touches[0]||e.originalEvent.changedTouches[0];s.dx=t.pageX-s.ox,s.dy=t.pageY-s.oy,s.endTime=(new Date).getTime()-s.startTime,"horizontal"==r.options.orientation?s.dx<-s.swipeTreshold&&s.endTime<s.allowedTime?i(e,r.viewport):s.dx>s.swipeTreshold&&s.endTime<s.allowedTime&&o(e,r.viewport):s.dy<-s.swipeTreshold&&s.endTime<s.allowedTime?i(e,r.viewport):s.dy>s.swipeTreshold&&s.endTime<s.allowedTime&&o(e,r.viewport)})})},200)}}return n[e]=r,n},start:function(i){i=t(i);var o=n[i];switch(0!=o.timer&&clearInterval(o.timer),o.options.direction){case"left":case"up":default:o.timer=setInterval(function(){o.next.off(),o.prev.off(),o.viewport.off("touchend"),e.fn.als("next",i)},o.options.interval);break;case"right":case"down":o.timer=setInterval(function(){o.prev.off(),o.next.off(),o.viewport.off("touchend"),e.fn.als("prev",i)},o.options.interval)}return n[i]=o,n},stop:function(e){e=t(e);var i=n[e];return clearInterval(i.timer),n[e]=i,n},destroy:function(){id=t(e(this).attr("data-id"));var i=n[id];i.prev.off(),i.next.off(),i.viewport.off(),e.fn.als("stop",id),e.removeData(i,"als"),this.unbind(),this.element=null}};e.fn.als=function(t){return a[t]?a[t].apply(this,Array.prototype.slice.call(arguments,1)):"object"!=typeof t&&t?void e.error("Method "+t+" does not exist on jQuery.als"):a.init.apply(this,arguments)}}(jQuery);