如何解决xml分页显示中改变每页显示的记录数无效

怎么解决xml分页显示中改变每页显示的记录数无效
HTML如下：

<HTML>
<HEAD>
<script language= "javascript ">
function change()
{
items.datapagesize=counts.value;
items.firstPage();
}
</script>
</HEAD>

<BODY>
<xml id= "users " src= "G:\XML文档\users.xml "/>
每页显示记录数：
<input type= "text " name= "counts "/>
<input type= "button " value= "改变 " onclick= "change() "/>
<table id= "items " border= "1 " datasrc= "#users ">
<thead>
<th> 姓名 </th>
<th> email </th>
</thead>
<tr>
<td> <div datafld= "name "/> </td>
<td> <div datafld= "email "/> </td>
</tr>
</table>
<input type= "button " value= "首页 " onclick= "items.firstPage() "/>
<input type= "button " value= "上一页 " onclick= "items.previousPage() "/>
<input type= "button " value= "下一页 " onclick= "items.nextPage() "/>
<input type= "button " value= "尾页 " onclick= "items.lastPage() "/>
</BODY>
</HTML>
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XML文档如下：
<?xml version= "1.0 " encoding= "GB2312 "?>
<rautinee>
<member id= '1 '>
<name> 海仔 </name>
<loginName> rautinee </loginName>
<email> rautinee@btamail.net.cn </email>
</member>
<member id= '2 '>
<name> 刚强 </name>
<loginName> hehe </loginName>
<email> rautinee@chinamanagers.com </email>
</member>
<member id= '3 '>
<name> 金华刚 </name>
<loginName> nature_it </loginName>
<email> rautinee_sea@hotmail.com </email>
</member>
<member id= '4 '>
<name> 的简强 </name>
<loginName> tank </loginName>
<email> tank@163.com </email>
</member>
<member id= '7 '>
<name> 合资 </name>
<loginName> kaka </loginName>
<email> kaka@eyou.com </email>
</member>
<member id= '6 '>
<name> 加个人 </name>
<loginName> apple </loginName>
<email> apple@163.com </email>
</member>
<member id= '8 '>
<name> null </name>
<loginName> sunny </loginName>
<email> rautinee@eyou.com </email>
</member>
<member id= '10 '>
<name> 宝贝 </name>
<loginName> index </loginName>
<email> rautinee@21cn.com </email>
</member>
<member id= '12 '>
<name> null </name>
<loginName> login </loginName>

如何解决xml分页显示中改变每页显示的记录数无效

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