Category Loop 2

<!-- FILE: page.php -->
<?php get_header(); ?>

<div id class="content_container"> <?php get_sidebar (); ?>
    <div id class="main_content">
        <?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
        <h1><?php the_title(); ?></h1>
        <?php
           global $post;
           $template_names = array();
           $template_names[]='loop-' .$post->post_name .'.php';
           $template_names[]='loop-page.php';
           locate_template( $template_names, true, true );
        ?>
    </div>
</div>
<?php endwhile; ?>

<?php get_footer(); ?>

<!-- FILE: loop-portfolio.php -->
<?php query_posts('category_name=portfolio&posts_per_page=3');?>
    <?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
    <div id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
        <div class="post_title"><h1><?php the_title();?></h1></div>
        <div id class="picbox"></div>
        <p><?php the_content();?></p>
    </div>
    <div id class="clear"></div>
<?php endwhile; ?>
<?php rewind_posts(); ?>