It looks like the link pointing here was faulty. Maybe try searching?
var Textline = {}; Textline.Widget = function(phone_number, user_opts) { var on_doc_ready, widget; this.animating = false; this.visible = false; this.phone_number = phone_number.replace(/[^\d+]/gi, ''); user_opts = user_opts || {}; this.setupWidgetOpts(user_opts); this.createWidgetContainer(); if (location.search == '?textline_debug') { this.generateDebugConsole(); } if ((!this.detectPhone() && !user_opts.force_display) && !(location.search == "?force_textline" || this.debug_console)) { return; } widget = this; on_doc_ready = function() { widget.close_button.addEventListener('click', function() { widget.widget_container.style.transition = 'bottom 0.2s cubic-bezier(.02, .01, .47, 1)'; widget.widget_container.style.bottom = widget.initBottomPosition();