<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
<%@ taglib uri="http://ajaxtags.org/tags/ajax" prefix="ajax"%>

<jsp:include page="header.jsp" flush="true" />

<form action="."  class ="basicForm">
  <fieldset>
    <legend>Choose Your Car</legend>

    <div>
      <img id="makerEmblem"
           src="<%=request.getContextPath()%>/img/placeholder.gif"
           width="76" height="29" />
    </div>

    <label  for ="make">Make:</label>
    <select id="make">
      <option value="">Select make</option>
      <option value="Ford">Ford</option>
      <option value="Honda">Honda</option>
      <option value="Mazda">Mazda</option>
    </select>
    <span id="progressMsg" style="display:none;"><img alt="Indicator" src="<%=request.getContextPath()%>/img/indicator.gif" /> Loading...</span>

    <label  for ="model">Model:</label>
    <select id="model" disabled="disabled">
      <option value="">Select model</option>
    </select>
  </fieldset>
</form>
<div id="errorMsg" style="display:none;border:1px solid #e00;background-color:#fee;padding:2px;margin-top:8px;width:300px;font:normal 12px Arial;color:#900"></div>

<script type="text/javascript">
 /*
  * USER DEFINED FUNCTIONS
  */

function initProgress() {
  Element.show('progressMsg');
}

function resetProgress() {
  // show marker emblem
  var index = $('make').selectedIndex;
  var automaker = $('make').options[index].text;
  var imgTag = $('makerEmblem');
   if  (index >  0 ) {
    imgTag.src = "<%=request.getContextPath()%>/img/" + automaker.toLowerCase() + "_logo.gif";
  }

  Effect.Fade('progressMsg');
}

function reportError() {
   if  ($('model').options.length ==  0 ) {
    $('errorMsg').innerHTML = "Dropdown busted!";
  }
  Element.show('errorMsg');
  setTimeout("Effect.DropOut('errorMsg')",  2500 );
}
</script>

<ajax:select
  baseUrl="${contextPath}/dropdown.view"
  source="make"
  target="model"
  parameters="make={make}"
  preFunction="initProgress"
  postFunction="resetProgress"
  errorFunction="reportError"
  parser="new ResponseXmlParser()" />

<jsp:include page="footer.jsp" flush="true" />

  <select id="make">
      <option value="">Select make</option>
      <option value="1">Ford</option>
      <option value="2">Honda</option>
      <option value="3">Mazda</option>
  </select>

    <select id="model" disabled="disabled">
      <option value="1"> Ford’s car1 </option>
      <option value="2"> Ford’s car2 </option>
      <option value="3"> Ford’s car3 </option>
	...
    </select>