How change page with javascript?

How change page with javascript?

Hello, i'm Daniel from Mendoza, Argentina.

I have one multipage site. I want to load an internal page from a function.

....
function test(){
if ($("id").val()==1) {
      //load page2
      ????????????????????????????
}else{
      alert('Error');
}

....

<div data-role="page" id="page">
<div data-role="header" data-position="fixed">
<h1>Simulador AVL</h1>
</div>
<div data-role="content">
<div id="controles">
    <input type="text" name="ip" id="id" />
       </div>
   </div>
<a href="" data-role="button" id="btnpos" onclick="test();">test</a>
</div>
</div>
<div data-role="page" id="page2">
<div data-role="header" data-position="fixed">
<h1>Test- Page 2</h1>
</div>
<div data-role="content">
hi!
</div>
</div>