<div style="clear:both;">
  <span  class="last_div1" onClick="document.getElementById('sub%id%').style.display='block';document.getElementById('col%id%').style.display='block';document.getElementById('exp%id%').style.display='none';"></span>
  <span id="clo%id%" class="folder1" onClick="change_directory(selected_dir,%id%);"></span>
  <span id="ope%id%" class="folder2"></span>
  <span id="nam%id%" class="a1" href="%addr%" onClick="change_directory(selected_dir,%id%);">%name%</span>
</div>
<div id="sub%id%" class="line">%sub_level%</div>