Autofocus on filter input box

docs/index.html

@@ -215,7 +215,7 @@
 				<span></span>
 			</a>
 			<div class="filterBlock" >
-				<input type="text" id="filterInput" placeholder="Type to filter"/>
+				<input type="text" id="filterInput" placeholder="Type to filter" autofocus/>
 				<a href="#" id="clearFilterButton" >x</a>
 			</div>
 			<div id="content"></div>