<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=utf-8">
<title>Sample</title>
<script type="text/javascript" src="prototype.js"></script>
<script type="text/javascript"><!--
function YahooSearch()
{
var srchStr = $("queryString").value;
if (srchStr == "") return;
var fileFormat = $("format").value;
var url = "yahoo.rb?query="+encodeURI(srchStr)+"&format="+fileFormat+"&cache="+(new Date()).getTime();
new Ajax.Request(url, { method: 'get', onComplete: displayData });
$("result").innerHTML = "検索中です...";
}
function displayData(httpObj)
{
var txt = "";
var xmlData = httpObj.responseXML;
var tagThumbnail = xmlData.getElementsByTagName("Thumbnail");
var sURL = xmlData.getElementsByTagName("ClickUrl");
for (var i=0; i<tagThumbnail.length; i++)
{
var urlList = tagThumbnail[i].getElementsByTagName("Url");
var imgLink = urlList[0].firstChild.nodeValue;
var linkURL = sURL[i].firstChild.nodeValue;
txt += '<a href="'+linkURL+'"><img src="'+imgLink+'" border="1"></a>';
}
$("result").innerHTML = txt;
}
// --></script>
</head>
<body>
<h1>Yahoo動画検索 (動画形式を指定)</h1>
<p><a href="http://developer.yahoo.co.jp/">Web Services by Yahoo! JAPAN</a></p>
<form onsubmit="YahooSearch();return false;">
<input type="text" value="草原" id="queryString">
<select id="format">
<option value="any">すべての形式</option>
<option value="msmedia">Windows Media</option>
<option value="quicktime">QuickTime</option>
<option value="flash">Flash</option>
<option value="avi">AVI</option>
<option value="mpeg">MPEG</option>
<option value="realmedia">Realmedia</option>
</select>
<input type="submit" value="Yahoo動画検索">
</form>
<div id="result"></div>
</body>
</html>
説明などは本書を参考にしてください。