document.links in phantomjs

links.js

function loadPage(url ) {
    /* Load a page and print out its links */
    var page = require('webpage').create();

    page.onLoadFinished = function (status) {
        var links = page.evaluate(function() {
            return [].join.call(document.links);
        }).split(',');

        console.log("Total links: " + links.length);

        var workingLinks = 0;
        for (i=0; i<links.length; i++) {
            if(links[i] != null) {
                console.log("Link " + i + " " + links[i]);
                workingLinks++;
            }
        }

        console.log("Working links " + workingLinks);
        phantom.exit();
    };

    page.open(url);
}

loadPage("http://www.baidu.com/");

i want to find link inside link which is opened as a seprate page from index page and this process is going to run for all pages in website.
is there any solution???