--- C:/Documents and Settings/dan/Bureau/fix fscharts/firestats-charts.1.0.0/firestats-charts/fscharts.php	jeu. févr.  4 07:37:50 2010
+++ C:/Documents and Settings/dan/Bureau/fix fscharts/firestats-charts.1.0.0/firestats-charts/fscharts-fixed.php	mer. févr. 10 11:12:57 2010
@@ -40,12 +40,21 @@
 }
 
 
+// *************************************
+// Check if FireStats is installed
+// *************************************
+$fsInstalled = true;
+if (!function_exists('fs_initialize_fs_callbacks')) {
+  echo 'FireStats Charts require <strong>FireStats >= 1.6.3</strong>';
+  $fsInstalled = false;
+}
+
 /**********************************************
  *
  *           Plugin's Class 
  *
  */
-if (!class_exists('FsCharts') && !$fsChartsDisabled) {
+if (!class_exists('FsCharts') && !$fsChartsDisabled && $fsInstalled) {
 
 	// *************************************
 	// Class declaration