Inline and Drupal.settings JS in Drupal

<?php  // This add inline JS to the head of the document
  drupal_add_js('alert("Hello!")', 'inline');







  drupal_add_js("var automatic_logout = true;", 'inline');

  /* Output in the Webpage:

<script type="text/javascript">

var automatic_logout = true;

</script>

  */ 

 



  // This will add variables in the Drupal.settings object
  drupal_add_js(array('my_module' => array('my_setting' => 'this_value')), 'setting');

   drupal_add_js(array('contactus' => 

                array('argCustom' => 'custom',

                      'cleanUrl' => 'true',)), 

                'setting');

/* Output: 

<script type="text/javascript">

jQuery.extend(Drupal.settings, 

{ "contactus": { 

"argCustom": "custom", 

"cleanUrl": "true" } 

});

</script>

*/


?>