anchor.diff:  					        </li>
   					        <li><i class="fa fa-folder-open-o"></i><a>extra_css</a>
   						        <ul>
  -						        	<li class="last-child"><i class="fa fa-folder-o"></i><a>extra1.css</a></li>
  +						        	<li><i class="fa fa-folder-o"></i><a>extra1.css</a></li>
   						        </ul>
   					        </li>
   					        <!-- js -->
   					        <li><i class="fa fa-folder-open-o"></i><a>js</a>
   					          <ul>
   					            <li><i class="fa fa-folder-o"></i><a>jquery-ui.js</a></li>
  -					            <li class="last-child"><i class="fa fa-folder-o"></i><a>custom.js</a></li>
  +					            <li><i class="fa fa-folder-o"></i><a>custom.js</a></li>
   					            <!-- add JS file -->
   					          </ul>
   					        </li>
   					        <li><i class="fa fa-folder-open-o"></i><a>extra_js</a>
   					          <ul>
  -					            <li class="last-child"><i class="fa fa-folder-o"></i><a>extra1.js</a></li>
  +					            <li><i class="fa fa-folder-o"></i><a>extra1.js</a></li>
   					            <!-- add JS file -->
   					          </ul>
   					        </li>
  -					        <li class="last-child"><i class="fa fa-folder-open-o"></i><a>themes</a>
  +					        <li><i class="fa fa-folder-open-o"></i><a>themes</a>
   						        <ul>
   						        	<li><i class="fa fa-folder-open-o"></i><a>blue</a>
   						        		<ul>
  -						        			<li class="last-child"><i class="fa fa-folder-open-o"></i><a>css</a>
  +						        			<li><i class="fa fa-folder-open-o"></i><a>css</a>
   						        				<ul>
  -						        					<li class="last-child"><i class="fa fa-folder-o"></i><a>main.css</a></li>
  +						        					<li><i class="fa fa-folder-o"></i><a>main.css</a></li>
   						        				</ul>
   						        			</li>
   						        		</ul>
   						        	</li>
  -						        	<li class="last-child"><i class="fa fa-folder-open-o"></i><a>green</a>
  +						        	<li><i class="fa fa-folder-open-o"></i><a>green</a>
   						        		<ul>
  -						        			<li class="last-child"><i class="fa fa-folder-open-o"></i><a>css</a>
  +						        			<li><i class="fa fa-folder-open-o"></i><a>css</a>
   						        				<ul>
  -						        					<li class="last-child"><i class="fa fa-folder-o"></i><a>main.css</a></li>
  +						        					<li><i class="fa fa-folder-o"></i><a>main.css</a></li>
   						        				</ul>
   						        			</li>
   						        		</ul>
  
positive.code: 					<div class="tree">
  					  <ul>
  					    <!-- web-app -->
  					    <li class="last-child"><i class="fa fa-folder-open-o"></i><a class="node">WebApp</a>
  					      <ul>
  					        <!-- css -->
  					        <li><i class="fa fa-folder-open-o"></i><a>css</a>
  					          <ul>
  					            <li><i class="fa fa-folder-o"></i><a>main.css</a></li>
  					            <li class="last-child"><i class="fa fa-folder-o"></i><a>buttons.css</a>
  					            	<ul>
  					            		<li class="last-child"><i class="fa fa-folder-open-o"></i><a class="node">layout</a>
  					            			<ul>
  					            				<li class="last-child"><i class="fa fa-folder-o"></i><a>layout.css</a></li>
  					            				<!-- add CSS file -->
  					            			</ul>
  					            		</li>
  
negative.code: 			var ul = getDirectoryTreeUL(event);
  			var i = $('<i></i>').addClass('fa fa-folder-o');
  			var a = $('<a>extra2.' + event.data.obj.type + '</a>').addClass('highlighted').fadeIn(1500);
  			var li = $('<li></li>').fadeIn(3000);
  			li.append(i).append(a);
  			ul.append(li);
  		}
  