Try this sample
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
<script type = "text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script type="text/javascript">
$("#btnPage").live("click", function () {
$("[id*=dv]").hide();
$("#dv" + $("#txtPage").val()).show();
});
</script>
</head>
<body>
<form id="form1" runat = "server">
<div id = "dv1">DIV1</div>
<div id = "dv2" style = "display:none">DIV2</div>
<div id = "dv3" style = "display:none">DIV3</div>
<input type = "text" id = "txtPage" />
<input type = "button" id = "btnPage" value = "Go" />
</form>
</body>
</html>
Demo