nyt_upnext.js

var getBottomY = function () {
    var getElBottomY = function (el) {
      return el.getHeight() + el.cumulativeOffset()[1];
    };
    
    articleEl = articleEl || $$('#article .first')[0] || $$('#content .hentry')[0] || $$('#main .hentry')[0];
    cColumnEl = cColumnEl || $$('#main .cColumn')[0] || $$('#cCol')[0] || $$('#main .cColumn')[0];
    
    // Compensate for extra space on ads for cColumnBottomY
    var articleBottomY = getElBottomY(articleEl),
      cColumnBottomY   = getElBottomY(cColumnEl) + popUpElHeight - 30; 
    
    return (articleBottomY > cColumnBottomY) ? articleBottomY : cColumnBottomY;
 };