loop in page. hab da ein problem …

<?php
/**
 * Template Name: template_musiktipps
 *
 */
get_header('header_musiktipps'); ?>


    <div id="container">
    <div id="content" role="main">


    <h3>Musiktipps</h3>
    <div id="musiktipps">
          <ul class="musiktipps-liste">
  
            <?php global $myPosts; $myPosts = '';?>
             <?php $my_query = new WP_Query();
                    $my_query->query('showposts=8&cat=3');
                    if ($my_query->have_posts()) : while ($my_query->have_posts()) : $my_query->the_post(); 
                    $myPosts .= $post->ID . ","; ?>
   
                   <li>
                <?php global $more; $more = 0; ?>
                   <?php the_time('j. F Y') ?><h2><a href="<?php the_permalink() ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a></h2>
                    <?php the_content(); ?>
                </li>
             <?php endwhile; endif; ?>
   
        </ul>
     </div>


    </div><!-- #content -->
    </div><!-- #container -->


<?php get_sidebar('sidebar_musiktipps'); ?>
<?php get_footer(); ?>

<?php
/**
 * Template Name: template_musiktipps
 *
 */
get_header('header_musiktipps'); ?>


    <div id="container">
    <div id="content" role="main">


    <h3>Musiktipps</h3>
    <div id="musiktipps">
          <ul class="musiktipps-liste">
  
            <?php global $myPosts; $myPosts = '';?>
             <?php $my_query = new WP_Query();
                    $my_query->query('showposts=8&cat=3');
                    if ($my_query->have_posts()) : while ($my_query->have_posts()) : $my_query->the_post(); 
                    $myPosts .= $post->ID . ","; ?>
   
                   <li>
                <?php global $more; $more = 0; ?>
                   <?php the_time('j. F Y') ?><h2><a href="<?php the_permalink() ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a></h2>
                    <?php the_content(); ?>
                </li>
             <?php endwhile; endif; ?>


<div class="pagination_musiktipps"><?php posts_nav_link(' — ', __('&laquo; Previous Page'), __('Next Page &raquo;')); ?></div>
   
        </ul>
     </div>


    </div><!-- #content -->
    </div><!-- #container -->


<?php get_sidebar('sidebar_musiktipps'); ?>
<?php get_footer(); ?>

<?php
$temp = $wp_query;
$wp_query= null;
$wp_query = new WP_Query();
$wp_query->query('cat=3&showposts=3&orderby=date'.'&paged='.$paged);
?>


<?php while ($wp_query->have_posts()) : $wp_query->the_post(); ?>
 




<?php the_time('j. F Y') ?><h2><a href="<?php the_permalink() ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a></h2>
       
       <?php global $more; $more = 0; ?>
       
    <?php the_content(); ?>


 
<?php endwhile; ?>
 
<div class="navigation">
  <div class="alignleft"><?php next_posts_link('&laquo; &auml;ltere Artikel') ?></div>
  <div class="alignright"><?php previous_posts_link('neuere Artikel &raquo;') ?></div>
</div>


<?php $wp_query = null; $wp_query = $temp;?>