hit doSearch with Enter in addition to click on search button

example/conf/zoie.spring

@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<beans xmlns="http://www.springframework.org/schema/beans"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<beans xmlns="http://www.springframework.org/schema/beans"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://www.springframework.org/schema/beans 
-						http://www.springframework.org/schema/beans/spring-beans.xsd">
+						http://www.springframework.org/schema/beans/spring-beans.xsd">
 
 	<import resource="propertyLoader.spring" />
 
 	<bean id="fileInterpreter" class="proj.zoie.impl.indexing.FileIndexableInterpreter" />
 
-	
+
 	<bean id="indexingSystem" class="proj.zoie.impl.indexing.SimpleZoieSystem" init-method="start" destroy-method="shutdown">
 		<constructor-arg value="file:${index.directory}"/>
 		<constructor-arg ref="fileInterpreter" />

example/webapp/index.html

@@ -13,7 +13,7 @@
   		<center>
 			<div id="header">Zoie</div>
 			<br/>
-				<input id="query" maxlength="2048" size="55" value=""/>
+				<input id="query" maxlength="2048" size="55" value="" onkeypress="javascript:onEnter(event)"/>
 				<input id="search" type="button" value="search" onclick="javascript:doSearch()"/>
 		</center>
 		<br/>

example/webapp/search.js

@@ -5,6 +5,12 @@ function handler(errorString, exception)
 
 DWREngine.setErrorHandler(handler);
 
+function onEnter(event)
+{
+  if (event.keyCode == 13)
+    doSearch();
+} 
+
 // doSearch method
 function doSearch()
 {