title: how to open popup window on both side using javascript
body: <p>I am developing a chat application here i have kept general chat room here  multi users can chat with each other  but now i want one to one  chat in my application, when logged user click on any user in the user list, one pop up window should be opened on the user computer and another pop up window should be opened in the remote users computer  , how can i achieve this , any help will be appreciated...</p>