problem with my template

I install j51 neptune un jommla 1.5.26
and send me error

Fatal error: Call to undefined function phpdefined() in /home/industri/public_html/2/templates/j51_neptune/html/modules.php on line 1

this the content of this file

<?phpdefined('_JEXEC') or die('Restricted access');function modChrome_j51_module($module, &$params, &$attribs){ if (!empty ($module->content)) : ?> <div class="module<?php echo $params->get('moduleclass_sfx'); ?>"> <?php if ($module->showtitle) : ?> <?php $title = explode(' ', $module->title); $title_part1 = array_shift($title); $title_part2 = join(' ', $title); ?> <div class="module_head_side"> <h3><span><span class="first-word"><?php echo $title_part1.' '; ?></span><?php echo $title_part2; ?></span></h3> </div> <?php endif; ?> <div class="module_content"> <?php echo $module->content; ?> </div> </div> <?php endif;} ?>

please help me

<?php defined('_JEXEC') or die('Restricted access'); function modChrome_j51_module($module, &$params, &$attribs) { if (!empty ($module->content)) : ?> <div class="module<?php echo $params->get('moduleclass_sfx'); ?>"> <?php if ($module->showtitle) : ?> <?php $title = explode(' ', $module->title); $title_part1 = array_shift($title); $title_part2 = join(' ', $title); ?> <div class="module_head_side"> <h3><span><span class="first-word"><?php echo $title_part1.' '; ?></span><?php echo $title_part2; ?></span></h3> </div> <?php endif; ?> <div class="module_content"> <?php echo $module->content; ?> </div> </div> <?php endif; } ?>