Category, Archive & Tag Templates showing all Posts

Hi hope u all will be fine. i have 3 template files for category, archive and tag Pages with the name category.php , archive.php and tag.php respectively. now the problem is that when i click and category , archive or tag link instead of showing specific category posts, archive posts or post with specific tags my templates shows all post. i have following code on all templates and this code is also on my index page, please tell me what is the problem.

<?php get_header(); ?>

<div id="body_wrap">
  <div id="home-leftcol">
   <!--Featured Post-->
<div class="featured_post">
	 <?php query_posts('category_name=featured&showposts=1');  ?>
	 <?php $ids = array();?>
  	  <?php if (have_posts()) : ?>
  	  <?php while (have_posts()) : the_post(); ?>
<?php   $ids[] = get_the_ID();  ?>
   <div class="post" id="post-<?php the_ID();?>">
        <div class="post-title">
          <h1><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>">
		  <?php if (strlen($post->post_title) > 47) {
echo substr(the_title($before = '', $after = '', FALSE), 0, 47) . '...'; } else {
the_title();
} ?>
<span class="items">Featured</span>
</a></h1>
                <div class="postdate"><?php the_time('M') ?> <?php the_time('d') ?>, <?php the_time('Y') ?></div>
        <span class="postcat"><?php the_category(', ') ?></span> <span class="postcomment"><?php comments_popup_link('No Comments »', '1 Comment »', '% Comments »'); ?></span>
        </div>
        <div class="entry">
	          <!--Custom Article Image Field -->
  <ul class="post_image">
    <?php //get article_image (custom field) ?>
    <?php if ($image = get_post_meta($post->ID, 'post-image', true)){ ?>
    <li><a href="<?php the_permalink() ?>"><img src="<?php echo $image; ?>" alt="<?php the_title(); ?>" class="post_image"/><span class="<?php echo get_post_meta($post->ID, 'post-type', true); ?>"></span></a></li>
  <?php }
?>
  </ul>
        <!--/Custom Article Image Field -->
		<?php  the_excerpt(); ?>
		<div class="clear">

	      <div class="featured_related">Related Posts:</div>
	      <?php related_posts(array(limit=>3)) ?>
	    </div>
		<!--Google Ad -->
		<div class="left">
  <script type="text/javascript"><!--
google_ad_client = "pub-4139959960483457";
/* 468x60, created 7/7/09 */
google_ad_slot = "0502606764";
google_ad_width = 468;
google_ad_height = 60;
//-->
</script>
<script type="text/javascript"
src="https://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>

  </div>
  <!--/Google Ad -->
  </div>
  <div class="left">
</div>
  	<hr class="hidden" />

          </div>
        <!--/post -->

      <?php endwhile; ?>

      <?php else : ?>
            <?php endif; ?>
          <!--/content -->
  </div>

   <!--/Featured Post-->

  	 <?php query_posts(array('post__not_in'=>($ids)));  ?>
<?php if (have_posts()) : ?>
  	<?php while (have_posts()) : the_post(); $loopcounter++; ?>
	    <div class="post" id="post-<?php the_ID();?>">
      <div class="post-title">
        <h1><a href="<?php the_permalink() ?>" rel="bookmark" title="Permanent Link to <?php the_title(); ?>">
		  <?php if (strlen($post->post_title) > 55) {
echo substr(the_title($before = '', $after = '', FALSE), 0, 55) . '...'; } else {
the_title();
} ?>
</a></h1>
              <div class="postdate"><?php the_time('M') ?> <?php the_time('d') ?>, <?php the_time('Y') ?></div>
      <span class="postcat"><?php the_category(', ') ?></span> <span class="postcomment"><?php comments_popup_link('No Comments »', '1 Comment »', '% Comments »'); ?></span>
      </div>
      <div class="entry">
	        <!--Custom Article Image Field -->
<ul class="post_image">
  <?php //get article_image (custom field) ?>
  <?php if ($image = get_post_meta($post->ID, 'post-image', true)){ ?>
  <li><a href="<?php the_permalink() ?>"><img src="<?php echo $image; ?>" alt="<?php the_title(); ?>" class="post_image"/><span class="<?php echo get_post_meta($post->ID, 'post-type', true); ?>"></span></a></li>
<?php } else {
?>
  <li><a href="<?php the_permalink() ?>"><img src="<?php bloginfo('stylesheet_directory'); ?>/wp-content/themes/it-aroma/images/no_screenshots.gif" alt="<?php the_title(); ?>" class="post_image"/><span class="<?php echo get_post_meta($post->ID, 'post-type', true); ?>"></span></a></li>
<?php }
?>
</ul>
      <!--/Custom Article Image Field -->

	  <?php if (get_post_meta($post->ID, 'post-type', true) == video || get_post_meta($post->ID, 'post-type', true) == driver || get_post_meta($post->ID, 'post-type', true) == download || get_post_meta($post->ID, 'post-type', true) == phone ) { ?>
	    <?php the_excerpt('Read on...'); ?>
<?php } else {?><?php  the_excerpt(); ?>

		<?php } ?>

</div>
	<hr class="hidden" />
    </div>
      <!--/post -->

	<?php endwhile; ?>
				  		      <!--Google Ad -->

  <div class="left">
  <script type="text/javascript"><!--
google_ad_client = "pub-4139959960483457";
/* 468x60, created 7/7/09 */
google_ad_slot = "0502606764";
google_ad_width = 468;
google_ad_height = 60;
//-->
</script>
<script type="text/javascript"
src="https://pagead2.googlesyndication.com/pagead/show_ads.js">
</script>

  </div>
			  		      <!--/Google Ad -->
<div class="clear">
	<div class="navigation">
      <?php if(function_exists('wp_page_numbers')) { wp_page_numbers(); } ?>
    </div>
    </div>
	  <br />
    <br />

    <?php else : ?>

		<h1>Not Found</h1>
		  <p>Sorry, but there is no latest post under this head.</p>
	    <?php endif; ?>
        <!--/content -->

  </div>
  <?php get_sidebar(); ?>
  <hr class="hidden" />
</div>
<?php get_footer(); ?>