(function(a){if(typeof define==="function"&&define.amd){define(["jquery"],a)}else{if(typeof module==="object"&&module.exports){module.exports=a(require("jquery"))}else{a(jQuery)}}}(function(g){var f={minHeight:0,elements:[],percentage:true,userTiming:true,pixelDepth:true,nonInteraction:true,gaGlobal:false,gtmOverride:false,trackerName:false,dataLayer:"dataLayer"};var b=g(window),a=[],h=false,d=0,c,j,e,k,i;g.scrollDepth=function(u){var m=+new Date;u=g.extend({},f,u);if(g(document).height()2&&v>d){d=v;i({event:"ScrollDistance",eventCategory:"Scroll Depth",eventAction:"Pixel Depth",eventLabel:n(v),eventValue:1,eventNonInteraction:u.nonInteraction})}if(u.userTiming&&arguments.length>3){i({event:"ScrollTiming",eventCategory:"Scroll Depth",eventAction:y,eventLabel:w,eventTiming:x})}}else{if(k){window[e]("event",y,{event_category:"Scroll Depth",event_label:w,non_interaction:u.nonInteraction})}if(c){window[e](z,"event","Scroll Depth",y,w,1,{nonInteraction:u.nonInteraction});if(u.pixelDepth&&arguments.length>2&&v>d){d=v;window[e](z,"event","Scroll Depth","Pixel Depth",n(v),1,{nonInteraction:u.nonInteraction})}if(u.userTiming&&arguments.length>3){window[e](z,"timing","Scroll Depth",y,x,w)}}if(j){_gaq.push(["_trackEvent","Scroll Depth",y,w,1,u.nonInteraction]);if(u.pixelDepth&&arguments.length>2&&v>d){d=v;_gaq.push(["_trackEvent","Scroll Depth","Pixel Depth",n(v),1,u.nonInteraction])}if(u.userTiming&&arguments.length>3){_gaq.push(["_trackTiming","Scroll Depth",y,x,w,100])}}}}function r(v){return{"25%":parseInt(v*0.25,10),"50%":parseInt(v*0.5,10),"75%":parseInt(v*0.75,10),"100%":v-5}}function p(w,v,x){g.each(w,function(y,z){if(g.inArray(y,a)===-1&&v>=z){s("Percentage",y,v,x);a.push(y)}})}function o(x,v,w){g.each(x,function(y,z){if(g.inArray(z,a)===-1&&g(z).length){if(v>=g(z).offset().top){s("Elements",z,v,w);a.push(z)}}})}function n(v){return(Math.floor(v/250)*250).toString()}function t(){l()}g.scrollDepth.reset=function(){a=[];d=0;b.off("scroll.scrollDepth");l()};g.scrollDepth.addElements=function(v){if(typeof v=="undefined"||!g.isArray(v)){return}g.merge(u.elements,v);if(!h){l()}};g.scrollDepth.removeElements=function(v){if(typeof v=="undefined"||!g.isArray(v)){return}g.each(v,function(x,z){var w=g.inArray(z,u.elements);var y=g.inArray(z,a);if(w!=-1){u.elements.splice(w,1)}if(y!=-1){a.splice(y,1)}})};function q(A,C){var y,x,v;var B=null;var z=0;var w=function(){z=new Date;B=null;v=A.apply(y,x)};return function(){var D=new Date;if(!z){z=D}var E=C-(D-z);y=this;x=arguments;if(E<=0){clearTimeout(B);B=null;z=D;v=A.apply(y,x)}else{if(!B){B=setTimeout(w,E)}}return v}}function l(){h=true;b.on("scroll.scrollDepth",q(function(){var x=g(document).height(),w=window.innerHeight?window.innerHeight:b.height(),v=b.scrollTop()+w,y=r(x),z=+new Date-m;if(a.length>=u.elements.length+(u.percentage?4:0)){b.off("scroll.scrollDepth");h=false;return}if(u.elements){o(u.elements,v,z)}if(u.percentage){p(y,v,z)}},500))}t()};return g.scrollDepth}));