// Sticky Plugin v1.0.4 for jQuery
// =============
// Author: Anthony Garand
// Improvements by German M. Bravo (Kronuz) and Ruud Kamphuis (ruudk)
// Improvements by Leonardo C. Daronco (daronco)
// Created: 02/14/2011
// Date: 07/20/2015
// Website: http://stickyjs.com/
// Description: Makes an element on the page stick on the screen as you scroll
//              It will only set the 'top' and 'position' of your element, you
//              might need to adjust the width in some cases.
!function(t){"function"==typeof define&&define.amd?define(["jquery"],t):"object"==typeof module&&module.exports?module.exports=t(require("jquery")):t(jQuery)}(function(t){var e=Array.prototype.slice,i=Array.prototype.splice,n={topSpacing:0,bottomSpacing:0,className:"is-sticky",wrapperClassName:"sticky-wrapper",center:!1,getWidthFrom:"",widthFromWrapper:!0,responsiveWidth:!1,zIndex:"inherit"},r=t(window),s=t(document),o=[],c=r.height(),a=function(){for(var e=r.scrollTop(),i=s.height(),n=i-c,a=e>n?n-e:0,p=0,d=o.length;p<d;p++){var l=o[p],h=l.stickyWrapper.offset().top-l.topSpacing-a;if(l.stickyWrapper.css("height",l.stickyElement.outerHeight()),e<=h)null!==l.currentTop&&(l.stickyElement.css({width:"",position:"",top:"","z-index":""}),l.stickyElement.parent().removeClass(l.className),l.stickyElement.trigger("sticky-end",[l]),l.currentTop=null);else{var u=i-l.stickyElement.outerHeight()-l.topSpacing-l.bottomSpacing-e-a;if(u<0?u+=l.topSpacing:u=l.topSpacing,l.currentTop!==u){var g;l.getWidthFrom?(padding=l.stickyElement.innerWidth()-l.stickyElement.width(),g=t(l.getWidthFrom).width()-padding||null):l.widthFromWrapper&&(g=l.stickyWrapper.width()),null==g&&(g=l.stickyElement.width()),l.stickyElement.css("width",g).css("position","fixed").css("top",u).css("z-index",l.zIndex),l.stickyElement.parent().addClass(l.className),null===l.currentTop?l.stickyElement.trigger("sticky-start",[l]):l.stickyElement.trigger("sticky-update",[l]),l.currentTop===l.topSpacing&&l.currentTop>u||null===l.currentTop&&u<l.topSpacing?l.stickyElement.trigger("sticky-bottom-reached",[l]):null!==l.currentTop&&u===l.topSpacing&&l.currentTop<u&&l.stickyElement.trigger("sticky-bottom-unreached",[l]),l.currentTop=u}var m=l.stickyWrapper.parent();l.stickyElement.offset().top+l.stickyElement.outerHeight()>=m.offset().top+m.outerHeight()&&l.stickyElement.offset().top<=l.topSpacing?l.stickyElement.css("position","absolute").css("top","").css("bottom",0).css("z-index",""):l.stickyElement.css("position","fixed").css("top",u).css("bottom","").css("z-index",l.zIndex)}}},p=function(){c=r.height();for(var e=0,i=o.length;e<i;e++){var n=o[e],s=null;n.getWidthFrom?n.responsiveWidth&&(s=t(n.getWidthFrom).width()):n.widthFromWrapper&&(s=n.stickyWrapper.width()),null!=s&&n.stickyElement.css("width",s)}},d={init:function(e){return this.each(function(){var i=t.extend({},n,e),r=t(this),s=r.attr("id"),c=s?s+"-"+n.wrapperClassName:n.wrapperClassName,a=t("<div></div>").attr("id",c).addClass(i.wrapperClassName);r.wrapAll(function(){if(0==t(this).parent("#"+c).length)return a});var p=r.parent();i.center&&p.css({width:r.outerWidth(),marginLeft:"auto",marginRight:"auto"}),"right"===r.css("float")&&r.css({float:"none"}).parent().css({float:"right"}),i.stickyElement=r,i.stickyWrapper=p,i.currentTop=null,o.push(i),d.setWrapperHeight(this),d.setupChangeListeners(this)})},setWrapperHeight:function(e){var i=t(e),n=i.parent();n&&n.css("height",i.outerHeight())},setupChangeListeners:function(t){window.MutationObserver?new window.MutationObserver(function(e){(e[0].addedNodes.length||e[0].removedNodes.length)&&d.setWrapperHeight(t)}).observe(t,{subtree:!0,childList:!0}):window.addEventListener?(t.addEventListener("DOMNodeInserted",function(){d.setWrapperHeight(t)},!1),t.addEventListener("DOMNodeRemoved",function(){d.setWrapperHeight(t)},!1)):window.attachEvent&&(t.attachEvent("onDOMNodeInserted",function(){d.setWrapperHeight(t)}),t.attachEvent("onDOMNodeRemoved",function(){d.setWrapperHeight(t)}))},update:a,unstick:function(e){return this.each(function(){for(var e=this,n=t(e),r=-1,s=o.length;s-- >0;)o[s].stickyElement.get(0)===e&&(i.call(o,s,1),r=s);-1!==r&&(n.unwrap(),n.css({width:"",position:"",top:"",float:"","z-index":""}))})}};window.addEventListener?(window.addEventListener("scroll",a,!1),window.addEventListener("resize",p,!1)):window.attachEvent&&(window.attachEvent("onscroll",a),window.attachEvent("onresize",p)),t.fn.sticky=function(i){return d[i]?d[i].apply(this,e.call(arguments,1)):"object"!=typeof i&&i?void t.error("Method "+i+" does not exist on jQuery.sticky"):d.init.apply(this,arguments)},t.fn.unstick=function(i){return d[i]?d[i].apply(this,e.call(arguments,1)):"object"!=typeof i&&i?void t.error("Method "+i+" does not exist on jQuery.sticky"):d.unstick.apply(this,arguments)},t(function(){setTimeout(a,0)})});