images_upload_handler: function (blobInfo, success, failure) {

    var xhr, formData;

    xhr = new XMLHttpRequest();

    xhr.withCredentials = false;

    xhr.open('POST', 'http://localhost/oasis_publish_test_php/index.php/upload/upImg');

    xhr.onload = function() {

      var json;

      if (xhr.status < 200 || xhr.status >= 300) {

        failure('HTTP Error: ' + xhr.status);

        return;

      }

      json = JSON.parse(xhr.responseText);

      if (!json || typeof json.location != 'string') {

        failure('Invalid JSON: ' + xhr.responseText);

        return;

      }

      success(json.location);

    };

    formData = new FormData();

    formData.append('file', blobInfo.blob());

    xhr.send(formData);

  }