so.js

fs = require('fs');
page = require('webpage').create();

url = 'http://stackoverflow.com/users/348785/kev';
cjf = '/Users/kev/cookies.txt';

function load_cookies(cjf){

    f = fs.open(cjf, 'r');

    while(!f.atEnd()){
        line = f.readLine();
        fields = line.split('\t');
        if(fields.length!=8)
            continue;
        cookie = {
            'name': fields[6],
            'value': fields[7],
            'domain': fields[0],
            'path': fields[2],
        }
        phantom.addCookie(cookie);
    }

}

load_cookies(cjf);

page.open(url, function(status){

    obj = page.evaluate(function(){
        obj = {};
        tbl = document.querySelectorAll('div.gravatar ~ div.data tr');
        for(i=0;i<tbl.length;i++){
            e = tbl[i];
            k = e.querySelector('td:first-of-type').textContent.trim();
            v = e.querySelector('td:last-of-type').textContent.trim();
            obj[k] = v;
        }
        return obj;
    });

    console.log(JSON.stringify(obj));
    phantom.exit();

});