Chris@0: Event.observe(window,'load',function() {
Chris@0:   /* 
Chris@0:   If we're viewing a tag or branch, don't display it in the
Chris@0:   revision box
Chris@0:   */
Chris@0:   var branch_selected = $('branch') && $('rev').getValue() == $('branch').getValue();
Chris@0:   var tag_selected = $('tag') && $('rev').getValue() == $('tag').getValue();
Chris@0:   if (branch_selected || tag_selected) {
Chris@0:     $('rev').setValue('');
Chris@0:   }
Chris@0: 
Chris@0:   /* 
Chris@0:   Copy the branch/tag value into the revision box, then disable
Chris@0:   the dropdowns before submitting the form
Chris@0:   */
Chris@0:   $$('#branch,#tag').each(function(e) {
Chris@0:     e.observe('change',function(e) {
Chris@0:       $('rev').setValue(e.element().getValue());
Chris@0:       $$('#branch,#tag').invoke('disable');
Chris@0:       e.element().parentNode.submit();
Chris@0:       $$('#branch,#tag').invoke('enable');
Chris@0:     });
Chris@0:   });
Chris@0: 
Chris@0:   /*
Chris@0:   Disable the branch/tag dropdowns before submitting the revision form
Chris@0:   */
Chris@0:   $('rev').observe('keydown', function(e) {
Chris@0:     if (e.keyCode == 13) {
Chris@0:       $$('#branch,#tag').invoke('disable');
Chris@0:       e.element().parentNode.submit();
Chris@0:       $$('#branch,#tag').invoke('enable');
Chris@0:     }
Chris@0:   });
Chris@0: })