background page and popup page property not working

[gopinath m]

hi guys,

i am using google chrome extension to build my own extension.

-----------manifest.json---------------

{
"name": "iNav2",
"description": "iNav2 - Plugin",
"version": "1.2.5",
"background_page": "background.html",
"icons": { "128": "inav2.png" },
"permissions": [
"tabs", "http://*/*", "https://*/*"
],
"browser_action": {
"default_title": "iNav2",
"default_icon": "inav2.png",
"popup": "popup.html"
}
}

this is my manifest.json file.In this file i am using background page
and popup page.here background page doesn't work.it doesn't trigger
any event.if i am using any one of them.its working fine.

please anybody give me the solution