```coffeescript
# Copyright 2011-2015, The Trustees of Indiana University and Northwestern
#   University.  Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
# 
# You may obtain a copy of the License at
# 
# http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software distributed 
#   under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
#   CONDITIONS OF ANY KIND, either express or implied. See the License for the 
#   specific language governing permissions and limitations under the License.
# ---  END LICENSE_HEADER BLOCK  ---


$ ->
  import_button_html = '<div class="input-group-btn"><button type="submit" name="media_object[import_bib_record]" class="btn btn-success" value="yes">Import</button></div>'
  $('div.import-button').append(import_button_html)
```

Disable bib import if there's no value
user
```coffeescript
# Copyright 2011-2015, The Trustees of Indiana University and Northwestern
#   University.  Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed
#   under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
#   CONDITIONS OF ANY KIND, either express or implied. See the License for the
#   specific language governing permissions and limitations under the License.
# ---  END LICENSE_HEADER BLOCK  ---


$ ->
  import_button_html = '<div class="input-group-btn"><button id="media_object_bibliographic_id_btn" type="submit" name="media_object[import_bib_record]" class="btn btn-success" value="yes">Import</button></div>'
  $('div.import-button').append(import_button_html)
  enable_bib_btn()
  $('#media_object_bibliographic_id').keyup -> enable_bib_btn()

enable_bib_btn = ->
    if $('#media_object_bibliographic_id').val() == ""
      $('#media_object_bibliographic_id_btn').prop('disabled', true)
    else
      $('#media_object_bibliographic_id_btn').prop('disabled', false)
    return
```
assistant