text: /*@
  
  is query all
  
  RETURNS:
    single if id
  
  */
  function query( sel ) /*@*/
  {
    if( sel.charAt(0) == '#')
      return document.querySelector( sel );
    else
      return document.querySelectorAll( sel );
  }
  
  
  /*@
  
  */
  function queryOne( sel ) /*@*/
  {
    return document.querySelector( sel );
  }
  
  
  /*@
  
  old, use query
  
  ˋˋˋ
  var byId = function( id ) { return document.getElementById( id ); };
  ˋˋˋ
  
  */
  function byId( id ) /*@*/
  {
    while( id.charAt(0) == '#')  // # is optional
      id = id.substring(1);
  
    return document.getElementById( id );
  }
  