function wpse81499_move_postcustom_to_top()
{
    if( \'post\' != get_current_screen()->id )
        return;
    ?>
<script>
    jQuery(document).ready(function(){
        jQuery(\'#postcustom\').prependTo(\'#titlediv\');
    });
</script>
    <?php
}
add_action( \'admin_footer\', \'wpse81499_move_postcustom_to_top\' );