CasperJS script to pull Xbox LIve data

xbl.js

//spawn the casper process
var casper = require("casper").create();
var sourceString = '';

//get the URL
if(casper.cli.has(0)){
 var url = casper.cli.get(0)
} else {
  casper
    .echo("Usage: $ casperjs casperjs.js <url>")
    .exit(1)
  ;
}

var user, pass = null;
//get the login arguments
if(casper.cli.has(1)){
  user = casper.cli.get(1);
  pass = casper.cli.get(2);
}

casper.start(url, function() {
    sourceString = this.evaluate(function(username, password){
      //login
      if(document.querySelectorAll('input#i0116').length > 0){
        document.getElementById('i0116').value = username;
      	document.getElementById('i0118').value = password;
      	document.getElementById('idSIButton9').click();
      	return true;
      } else if(!document.getElementById("ProductTitleZone") && window.location.href.indexOf('marketplace.xbox.com') >= 0) {
      	var links = document.getElementsByTagName('a');
      	for(var k in links){
      		if(!links[k].href){
      			continue;
      		}
      		if(links[k].href.indexOf("nosplash") >= 0){
      			window.location = links[k].href;
      			break;
      		}
      	}
      	return true;
      } else {
      	return false;
      }
    },{
      username: user,
      password: pass
    });
});

casper.then(function(){
	this.debugHTML();
});

casper.run(function(){
	this.exit();
});