Save extensions from magento connect

bookmark.js

javascript:(function(){var e=jQuery(".extension-version li").first().contents().last().text().trim();jQuery("#button-purchase-input").click(),jQuery("#connect-version-id").val(2),jQuery("#licence-agreement-checkbox").click(),jQuery("#get-extension-button-free").click();var n=jQuery("#extension-key-input").val(),t=n.replace(/.*\/([^/]*)/,"$1");window.open(n+"/"+e+"/"+t+"-"+e+".tgz")})();

source.js

javascript: (function() {
    var e = jQuery(".extension-version li")
        .first()
        .contents()
        .last()
        .text()
        .trim();
    jQuery("#button-purchase-input")
        .click(), 
        jQuery("#connect-version-id").val(2), 
        jQuery("#licence-agreement-checkbox").click(), 
        jQuery("#get-extension-button-free").click();
    var n = jQuery("#extension-key-input").val(),
        t = n.replace(/.*\/([^/]*)/, "$1");
    window.open(n + "/" + e + "/" + t + "-" + e + ".tgz")
})();