<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
<script language="Javascript">
function MoveFocusOnF2(event) {
switch (event.keyCode) {
case 113:
document.getElementById("TextBox1").focus();
break;
default:
//nothing
}
}
</script>
</head>
<body onkeydown="MoveFocusOnF2(event);">
<form id="form1" runat="server">
<div>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
</div>
</form>
</body>
</html>