title: Can't access to json data with jquery mobile + phonegap + php
body: <p>Hello I'm developping Android App with Jquery Mobile and PHP.
  When I submit the login form my PHP script return a json data. But I cant access to these data in success function.</p>
  
  <p>In the success function :</p>
  
  <pre><code>success: function (response,status) {
      console.log(response.etat);
      $.each(response, function(i, item){ 
          if ((item.etat == 'success') &amp;&amp; (item.username == 'yes')) {
              $.mobile.changePage("#welcomepage");                        
          } else {
              console.log(item.etat);
          }
      });
  },
  </code></pre>
  
  <p>the result of this script will be <code>Undefined</code></p>
  
  <p>but with this code :</p>
  
  <pre><code>success: function (response, status) {
      console.log(response);
  } else {
      console.log("Error");
  }
  });
  },
  </code></pre>
  
  <p>I have :</p>
  
  <pre><code>{     
      "username": "usertest",
      "password": "testpwd",
      "tag": "logintag",
      "etat":"success"
  }
  </code></pre>
  
  <p>I dont undertand why when I do <code>response.username</code> I get nothing (<code>Undefined</code>)</p>
  
  <p>Can someone help me?</p>