function autocomplete_username_single( id )
{
  try
  {
    jQuery( id ).autocomplete( '/ajax?handler=user', {
      width: 297,
      minChars: 2,
      scroll: true,
      matchContains: true,
      scrollHeight: 300
    } );
  }
  catch ( e ) { }
}

function autocomplete_username( id )
{
  try
  {
    jQuery( id ).autocomplete( '/ajax?handler=user', {
      width: 297,
      minChars: 2,
      multiple: true,
      scroll: true,
      matchContains: true,
      scrollHeight: 300
    } );
  }
  catch ( e ) { }
}

function autocomplete_tags( id )
{
  try
  {
    jQuery( id ).autocomplete( '/ajax?handler=tags', {
      width: 278,
      minChars: 2,
      multiple: true,
      scroll: true,
      matchContains: true,
      scrollHeight: 300,
      selectFirst: false
    } );
  }
  catch ( e ) { }
}