[
    {
        "scripts": [
            "setInterval(function() { window.scrollBy(0,500); }, 150);"
        ], 
        "site": ".*facebook.com.*"
    },
    {
        "scripts": [
            "setInterval(function() { window.scrollBy(0,50); }, 50);"
        ], 
        "site": ".*flickr.com.*"
    }
]