Programmatically insert block when you need it (D6)

gistfile1.php

<?php
function blue_get_block($module, $delta, $subject = '') {
  $block = new stdclass; // empty object
  $array = module_invoke($module, 'block', 'view',$delta );
  // must be converted to an object
  // @see block_list()
  if (isset($array) && is_array($array)) {
    foreach ($array as $k => $v) {
      $block->$k = $v;
    }
  }

  $block->module = $module;
  $block->delta = $delta;
  $block->region = 'blue';  
  $block->subject = $subject;
  $block->block_html_id = "block-{$block->module}-{$block->delta}";
  
  return theme('block', $block);
}