How to prevent blob + guid in browser title

Question

Basically, what I am doing is generating a PDF file on the server and showing it in the browser via javascript like this:

  file = new window.Blob([data], { type: 'application/pdf' });
  var fileUrl = URL.createObjectURL(file);
  var wnd = window.open(fileUrl, "_blank", "location=no, fullscreen=yes, scrollbars=auto, width=" + screen.width + ",height=" + screen.height);

All this works fine but every browser is showing an ugly subtitle (something like this): blob:2da57927-311e-4b3d-a261-d2679074802c

Is there any way to get rid of this subtitle or to replace it with something meaningful?

Edited: Here is a screen capture of the improved code (after applying VisioN's suggestion):

Answer 1

As I mentioned in the comments, one possible way is to make an <iframe> in the popup window, that displays the current Blob data, and to style the popup as you wish:

var win = open('', 'name', 'height=300, width=300'),
    iframe = document.createElement('iframe'),
    title = document.createElement('title'),
    file = new Blob([data], { type: 'application/pdf' }),
    fileUrl = URL.createObjectURL(file);

title.appendChild(document.createTextNode('Nice title :)'));

iframe.src = fileUrl;
iframe.width = '100%';
iframe.height = '100%';
iframe.style.border = 'none';

win.document.head.appendChild(title);
win.document.body.appendChild(iframe);
win.document.body.style.margin = 0;

DEMO: http://jsfiddle.net/MeY9e/