Disable Ynet auto refresh

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 2,
    "name": "__MSG_appName__",
    "description": "__MSG_appDesc__",
    "short_name": "__MSG_shortName__",
    "default_locale": "en",
    "version": "1.0.1",
    "page_action": {
        "default_icon": {
            "19": "icons\/19.png",
            "38": "icons\/38.png"
        },
        "default_title": "Ynet refresh disabler"
    },
    "icons": {
        "16": "icons\/16.png",
        "48": "icons\/48.png",
        "128": "icons\/128.png"
    },
    "content_scripts": [
        {
            "matches": [
                "http:\/\/www.ynet.co.il\/*"
            ],
            "js": [
                "scriptDisabler.js"
            ],
            "run_at": "document_end"
        }
    ],
    "background": {
        "scripts": [
            "showIconScript.js"
        ],
        "persistent": false
    },
    "permissions": [
        "declarativeContent"
    ]
}