app.js

var casper = require('casper').create({
  clientScripts: ['includes/jquery-2.0.1.min.js'],
	logLevel: 'debug',
	verbose: true
});

var noop = function() {};
var index = 'http://www.orsnasco.com/storefrontB2BWEB/';
var manIndex = 'http://www.orsnasco.com/storefrontB2BWEB/customauth/manIndex.jsp';

function wrap(fn) {
	var args = Array.prototype.slice.call(arguments, 1);
	return function() {
		fn.apply(this, args);
	};
}

function capture() {
	this.capture('screen.png');
}

function login(username, password) {
	if (this.getCurrentUrl() !== index)
		this.thenOpen(manIndex, username, password);
	
	this.fill('form[action="/storefrontB2BWEB/login.do?setup_principal=true"]', {
		usr_name: username,
		usr_password: password
	});

	this.click('input[src="/storefrontB2BWEB/custom/images/home-greenarrow.gif"]');
}

function getManufacturers() {
}

function main() {
	var username = 'foo';
	var password = 'bar';
	
	this.thenOpen('http://www.google.com/', noop);
	this.then(wrap(login, username, password));
	this.then(capture);
}

casper.start(index, main);

casper.run();