https://www.farmaciadeanca.es/modules/steasycheckout/views/js/socail_login.js

1$(document).ready(function () {
2    $(document).on('click', '.steco_social_login', function (e) {
3      e.preventDefault();
4      stecoPopupCenter($(this).attr('href'), '', 600, 500);
5      return false;
6    });
7});
8var stecoPopupCenter = function (url, title, w, h) {
9  var dualScreenLeft = window.screenLeft != undefined ? window.screenLeft : window.screenX;
10  var dualScreenTop = window.screenTop != undefined ? window.screenTop : window.screenY;
11
12  var width = window.innerWidth ? window.innerWidth : document.documentElement.clientWidth ? document.documentElement.clientWidth : screen.width;
13  var height = window.innerHeight ? window.innerHeight : document.documentElement.clientHeight ? document.documentElement.clientHeight : screen.height;
14
15  var left = ((width / 2) - (w / 2)) + dualScreenLeft;
16  var top = ((height / 2) - (h / 2)) + dualScreenTop;
17  var newWindow = window.open(url, title, 'scrollbars=yes, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left);
18
19  if (window.focus) {
20      newWindow.focus();
21  }
22};