var googlepr_rpc = new PHPRPC_Client('http://www.coolcode.cn/wp-content/plugins/googlepr/rpc.php', ['googlepr']);

function showGooglePR(result) {
    var googlepr_container = document.getElementById('googlepr_container');
    var googlepr_bar = document.getElementById('googlepr_bar');
    var googlepr_rank = document.getElementById('googlepr_rank');
    googlepr_container.title = googlepr_bar.title = "PageRank: " + (result == 0 ? 'unranked' : result);
    googlepr_rank.style.width = (result << 2) + "px";
}

function googlePR() {
    result = document.cookie.match(/googlepr=([^;]*);/);
    if (result) {
        result = unescape(result[1]);
        showGooglePR(result);
    }
    else {
        googlepr_rpc.googlepr(location.href, function (result) {
            result = parseInt(result);
            if (isNaN(result)) return;
            var exp = new Date();
            exp.setTime(exp.getTime() + 86400000);
            document.cookie = "googlepr=" + escape(result) + "; " +
                              "expires=" + exp.toGMTString() + "; " +
                              "path=" + location.pathname + ";";
            showGooglePR(result);
            googlepr_rpc.dispose();
            googlepr_rpc = null;
        });
    }
}