below is the html page
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- <script src="selectcd.js"></script>
- <form>
- Select a CD:
- <select name="cds" onchange="showCD(this.value)">
- <option value="Bob">Bob</option>
- <option value="Bonnie">Bonnie</option>
- </select>
- </form><p>
- <input type="text" name="txtSingerName" id="txtSingerName" size=20 class="stdbox" value="<?php print stripslashes($form_txtSingerName); ?>">
- <input type="text" name="txtAlbumName" id="txtAlbumName" size=20 class="stdbox" value="<?php print stripslashes($form_txtAlbumName); ?>">
- </p>
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- var xmlHttp
- function showCD(str)
- {
- xmlHttp=GetXmlHttpObject()
- if (xmlHttp==null)
- {
- alert ("Browser does not support HTTP Request")
- return
- }
- var url="getcd.php"
- url=url+"?q="+str
- url=url+"&sid="+Math.random()
- xmlHttp.onreadystatechange=stateChanged
- xmlHttp.open("GET",url,true)
- xmlHttp.send(null)
- }
- function stateChanged()
- {
- if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
- {
- document.getElementById("txtSingerName").value=xmlHttp.responseText
- document.getElementById("txtAlbumName").value=xmlHttp.responseText
- }
- }function GetXmlHttpObject()
- {
- var xmlHttp=null;try
- {
- // Firefox, Opera 8.0+, Safari
- xmlHttp=new XMLHttpRequest();
- }
- catch (e)
- {
- // Internet Explorer
- try
- {
- xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
- }
- catch (e)
- {
- xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
- }
- }
- return xmlHttp;
- }
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- <?php
- $q=$_GET["q"];
- $xmlDoc = new DOMDocument();
- $xmlDoc->load("cd_catalog.xml");
- $x=$xmlDoc->getElementsByTagName('ARTIST');
- for ($i=0; $i<=$x->length-1; $i++)
- {
- //Process only element nodes
- if ($x->item($i)->nodeType==1)
- {
- if ($x->item($i)->childNodes->item(0)->nodeValue == $q)
- {
- $y=($x->item($i)->parentNode);
- }
- }
- }
- $cd=($y->childNodes);
- for ($i=0;$i<$cd->length;$i++)
- {
- //Process only element nodes
- if ($cd->item($i)->nodeType==1)
- {
- echo($cd->item($i)->nodeName);
- }
- }
- ?>