function $(id) { return document.getElementById(id); }

function get_le_cells(id) {

  var cells = new Array(4);
  cells[0] = $(id + '_name');
  cells[1] = $(id + '_size');
  cells[2] = $(id + '_dt');
  cells[3] = $(id + '_owner');
  return cells;
}

function le_mover(id, bg, fg) {

  cells = get_le_cells(id);
  for(var i = 0; i < cells.length; ++i) {

    if(!cells[i]) continue;
    cells[i].style.background = bg;
    cells[i].style.color = fg;
    cells[i].style.cursor = 'pointer';
  }
}

function le_mout(id) {

  cells = get_le_cells(id);
  for(var i = 0; i < cells.length; ++i) {

    if(!cells[i]) continue;
    cells[i].style.background = '#EEEEEE';
    cells[i].style.color = '#000000';
    cells[i].style.cursor = 'arrow';
  }
}