1.Drupal
http://www.drupalove.com/article/100-drupal-views-tutorials-and-resources
http://www.zyxware.com/articles/655/programmatically-set-a-views-filter-in-drupal-6-and-views-2
http://drupal.org/project/views_hacks#views_filters_autosubmit
http://chirale.wordpress.com/2008/11/21/customize-exposed-filter-on-drupal-view/
http://zugec.com/drupal/creating-custom-filters-in-views-2
http://drupal.org/node/220200
http://drupal.org/node/364859
http://drupal.stackexchange.com/questions/14521/how-to-get-exposed-filter-dropdown-option-selected-value-in-drupal-hook
http://highrockmedia.com/blog/using-drupal-views-arguments-show-results-only-when-filter-used
http://drupal.stackexchange.com/questions/1411/how-to-append-a-string-to-a-variable
