title: Is it possible to make the file_field_tag "Browse" button submit immediately after file selection?
body: <p>Right now what it does is allows me to select files but I need to click an additional "Submit" button to do the form submission.  Is it possible to combine the functionality of the browse button with form submission?  Is there functionality within Rails or do I need to create a custom ajax call using javascript?  Thanks!</p>
  
  <p>Current code:</p>
  
  <pre><code>  = form_for @user, :url =&gt; add_file(@user), :remote =&gt; true do |f|
        = file_field_tag :file
  </code></pre>