$posarr = XoopsBlock::getBlockPositions(true);
$block_checkbox = array();

$i = 0;
foreach ($posarr as $k=>$v){

	$tit = (defined($posarr[$k]['title']))?constant($posarr[$k]['title']):$posarr[$k]['title'];
  $block_checkbox[$i] = new XoopsFormCheckBox('<b>'.$tit.'</b>', "read_bids[]", $r_block_value);

  $new_blocks_array = array();

  $blocks_array = XoopsBlock::getAllBlocks("list", $k);
echo '<ul>'; 

  foreach ($blocks_array as $key=>$value) {

  $new_blocks_array[$key] = "<li  class=\"blockslist\"><a href='".XOOPS_URL."/modules/system/admin.php?fct=blocksadmin&amp;op=edit&amp;bid=".$key."'>".$value." (ID: ".$key.")</a></li>";

  }
  echo '</ul>';

  $block_checkbox[$i]->addOptionArray($new_blocks_array);

  $i++;

}