Use hook_page_build instead of hook_init!

jquery_loadinganimation.module

@@ -3,7 +3,7 @@
 /**
  * Initialization of jquery_loadinganimation (on each page).
  */
-function jquery_loadinganimation_init() {
+function jquery_loadinganimation_page_build(&$page) {
   $module_path = drupal_get_path('module', 'jquery_loadinganimation');
   $js_settings = _jquery_loadinganimation_get_settings();
   $path = drupal_strtolower(drupal_get_path_alias($_GET['q']));