javascript分页

<xml id="users">

<userGroup>

<user id="1">

<userid>user 1</userid>

<name>name 1</name>

</user>

<user id="2">

<userid>user 2</userid>

<name>name 2</name>

</user>

<user id="3">

<userid>user 3</userid>

<name>name 3</name>

</user>

<user id="4">

<userid>user 4</userid>

<name>name 4</name>

</user>

<user id="5">

<userid>user 5</userid>

<name>name 5</name>

</user>

<user id="6">

<userid>user 6</userid>

<name>name 7</name>

</user>

<user id="7">