Update Panel wihtout Ajax

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Javascript

jQuery

There are 2 div in my page.

<div> at javascript timer is going in this div<div>

<div>Some other element and a server side button in this div<div>

When user click on this button, post back should occure only for 2nd Div. 1 st div or timer should not refreshed.

(ie. entire page should notpost back ie. Like Ajax update panel.)
But we can't use ajax update panel.

is there any way to achieve this using jquery or javascript.