<script> widget(url, selector); function widget(url, selector) { var req = new XMLHttpRequest(); req.onload = function() { var el = document.createElement('div'); var base = url.replace(/(^https?:\/\/.*?)\/.*$/gm, '$1'); el.innerHTML = this.responseText; var result = el.querySelector(selector); var h = result.innerHTML; h = h.replace(/ src="\//gm, ' src="' + base + '/'); h = h.replace(/ src="[^\/(