app/views/assets/_form.html.erb
<div id="uploader">
<%= form_for :asset, url: user_tracks_path(current_user), html: { multipart: true } do |f| %>
<dl class="group" class="fileform">
<dt id="filelbls">
</dt>
<dd class="asset-data">
<ul class="filefields">
<li>
<%= file_field_tag 'asset_data[]', class: 'asset_data' %>
</li>
</ul>
</dd>
</dl>
<div class="submit_wrapper">
<% if current_user.moderator? %>
<%= submit_tag 'Upload, and publish!', id: 'upload', data: { disable_with: 'Uploading...' }, disabled: @upload_disabled %>
<%= submit_tag "Upload, but don't publish", data: { disable_with: 'Uploading...' }, disabled: @upload_disabled %>
<% else %>
<%= submit_tag 'Upload!', id: 'upload', disabled: @upload_disabled %>
<% end %>
</div>
<% end -%>
<div class="uploading" style='display:none'>
<%= image_tag 'icons/uploading.gif'%>
</div>
</div>