// 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:"auto"},r=t(window),s=t(document),o=[],a=r.height(),c=function(){for(var e=r.scrollTop(),i=s.height(),n=i-a,c=e>n?n-e:0,p=0,d=o.length;d>p;p++){var l=o[p],u=l.stickyWrapper.offset().top,h=u-l.topSpacing-c;if(l.stickyWrapper.css("height",l.stickyElement.outerHeight()),e>h){var g=i-l.stickyElement.outerHeight()-l.topSpacing-l.bottomSpacing-e-c;if(0>g?g+=l.topSpacing:g=l.topSpacing,l.currentTop!==g){var m;l.getWidthFrom?m=t(l.getWidthFrom).width()||null:l.widthFromWrapper&&(m=l.stickyWrapper.width()),null==m&&(m=l.stickyElement.width()),l.stickyElement.css("width",m).css("position","fixed").css("top",g).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>g||null===l.currentTop&&g<l.topSpacing?l.stickyElement.trigger("sticky-bottom-reached",[l]):null!==l.currentTop&&g===l.topSpacing&&l.currentTop<g&&l.stickyElement.trigger("sticky-bottom-unreached",[l]),l.currentTop=g}var y=l.stickyWrapper.parent(),f=l.stickyElement.offset().top+l.stickyElement.outerHeight()>=y.offset().top+y.outerHeight()&&l.stickyElement.offset().top<=l.topSpacing;f?l.stickyElement.css("position","absolute").css("top","").css("bottom",0).css("z-index",""):l.stickyElement.css("position","fixed").css("top",g).css("bottom","").css("z-index",l.zIndex)}else 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)}},p=function(){a=r.height();for(var e=0,i=o.length;i>e;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){var i=t.extend({},n,e);return this.each(function(){var e=t(this),r=e.attr("id"),s=r?r+"-"+n.wrapperClassName:n.wrapperClassName,a=t("<div></div>").attr("id",s).addClass(i.wrapperClassName);e.wrapAll(function(){return 0==t(this).parent("#"+s).length?a:void 0});var c=e.parent();i.center&&c.css({width:e.outerWidth(),marginLeft:"auto",marginRight:"auto"}),"right"===e.css("float")&&e.css({"float":"none"}).parent().css({"float":"right"}),i.stickyElement=e,i.stickyWrapper=c,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){if(window.MutationObserver){var e=new window.MutationObserver(function(e){(e[0].addedNodes.length||e[0].removedNodes.length)&&d.setWrapperHeight(t)});e.observe(t,{subtree:!0,childList:!0})}else 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:c,unstick:function(){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",c,!1),window.addEventListener("resize",p,!1)):window.attachEvent&&(window.attachEvent("onscroll",c),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(c,0)})});