Links
[1] https://dominiquedecooman.com/contribtion/drupal-module-fancy-multiselect
[2] http://drupal.org/project/jquery_multiselect
[3] https://dominiquedecooman.com/sites/default/files/jq_multi.rar
[4] http://drupal.org/project/fancy_multiselect
[5] http://drupalmodules.com/module/fancymultiselect