title: create a "show up" window when you click register?
body: <p>im a backend programmer who wants to have a window that appears in front of the current window when clicking "register".</p>
  
  <p>so that you dont have to redirect to another page.</p>
  
  <p>i think u guys know what i mean.</p>
  
  <p>how do i do that? is it with jquery or javascript? is ajax involved?</p>
  
  <p>and what is that kind of popup box called?</p>