Login with Linkedin Using Javascript

Login with Linkedin Using Javascript
For more information visit:
http://developers.linkedin.com/documents/getting-started-javascript-api

<!--Script for LinkedIn Login add in head -->
<script type="text/javascript" src="https://platform.linkedin.com/in.js">
      api_key: 75dtnfjj******
      authorize: true
      lang:  en_US
</script>

<script type="text/javascript">
// JavaScript Document
function signupLinkedIn()
{
    IN.User.authorize(onLinkedInAuth);
    if(IN.User.isAuthorized())
    {
        //DO STUFF
        //console.log('welcome');
    }
    return false;
};

function onLinkedInAuth() {
   // we pass field selectors as a single parameter (array of strings)
   IN.API.Profile("me")
    .fields(["id", "firstName", "lastName", "emailAddress"])
    .result(function(result) {
      setLoginBadge(result.values[0]);
    })
    .error(function(err) {
          alert(err);
    });
}

function setLoginBadge(profile) {
  if (!profile) {
     profHTML = "<p>You are not logged in</p>";
  }
  else
  {       
        var firstName = profile.firstName;
        var LastName = '';
        var email = '';
       
        if(profile.lastName)
        {
            LastName = profile.lastName;
        }
        if(profile.emailAddress)
        {
            email = profile.emailAddress;
        }       

        $.ajax({
              type: "POST",
              url: "/api/social/signup-login",
              data: { firstname: firstName, lastname: LastName, email: email,password:'',signupsource:3}
        }).done(function( data ) {
              //console.log(data);
              location = '/admin/index/events';
        });
   
  }
}
</script>

<button id="login" onclick="signupLinkedIn()">Login With Linkedin</button>

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