var w = document.createElement('iframe'), e = (document.getElementById('edshelf-widget-shelf-16452')) ? document.getElementById('edshelf-widget-shelf-16452') : document.getElementById('edshelf-widget');w.src = 'https://edshelf.com/collection-widget/?id=16452&format=compact&same_window=';w.frameBorder = 0;w.width = '100%';w.height = '450';e.appendChild(w);e.style.height = '450';