Move to the page as we enter the page number in textbox using javascript

KKK.

I have given the div tag one as div1 ,and so on.

But when i click on button it is not working ,Is their any need to write something on button events.

<asp:Button ID="btnpageno" runat="server" Text="Go" />

I have taken button as above.

Is there any missing ...

And as the script

 $("#txtPageno").live("onchange", function () {             $("[id$=dv]").hide();             $("#dv" + $(this).val()).show();         });

how can it take id of all three div

can u explain???