_content_nav.php

<!-- Content Header -->
<div class="content-header">
	<div class="navbar navbar-inverse">
	  <div class="navbar-inner">
	    <a class="brand" href="<?=site_url("/")?>">The Articles</a>
	    <ul class="nav">
	      <li><a href="<?=site_url("/")?>">Home</a></li>
	      	<?php if(isset($_SESSION["user"]) && $_SESSION["user"] != null){?>
	      		<li><a href="<?=site_url("article/author/".$_SESSION["user"]->Account)?>">
	      			My Articles</a></li>
	  		<?php } ?>
	    </ul>
	    <!-- login status -->
	    <?php if(isset($_SESSION["user"]) && $_SESSION["user"] != null){ ?>
		<ul class="nav pull-right">
          <li><a href="#">Hi <?=$_SESSION["user"]->Account?></a></li>
          <li class="divider-vertical"></li>
          <li><a href="<?=site_url("user/logout")?>">登出</a></li>
          <li><a href="<?=site_url("article/post")?>">發文</a></li>
        </ul>
        <?php }else{ ?> 
		<ul class="nav pull-right">
          <li><a href="<?=site_url("user/login")?>">登入</a></li>
          <li class="divider-vertical"></li>
          <li><a href="<?=site_url("user/register")?>">註冊</a></li>
        </ul>        
        <?php } ?>
	  </div>
	</div>
</div>