	<ul class="nav nav-list" style="border-right:1px solid #ddd; min-height:1024px;">
	  <li class="<?php echo $nav_active=='hall'?'active':false; ?>"><a href="<?php echo site_url('taskhall'); ?>">Tasks hall</a></li>
	  <li class="<?php echo $nav_active=='notice'?'active':false; ?>"><a href="<?php echo site_url('taskhall/notice'); ?>">Notice</a></li>
	  <li class="<?php echo $nav_active=='help'?'active':false; ?>"><a href="<?php echo site_url('taskhall/help'); ?>">Help</a></li>
	</ul>  