$module = 'anymodulename';
$delta = 'blockdelta';

$block = (object) module_invoke($module, 'block', 'view', $delta);
$block->module = $module;
$block->delta = $delta;

print theme('block', $block);

Embed Drupal 6 block anywhere with proper block HTML IDs and classes.

Drupal 6 :: Embed block anywhere

drupal

PHP