Removing default borders from a POP UP Window

I am opening a POPUP Window using window.open

please see the image here

http://www.tiikoni.com/tis/view/?id=0ef7674

The default title blue color borders are appearing round the window as shown .

Can this be removed using CSS or any other option .

(I have seen Light box , but i am not usin开发者_开发技巧g them )

That is standard window chrome as provided by the GUI toolkit the browser uses. You cannot control it.