--- a/src/js/main.js	Fri Dec 23 10:46:07 2011 +0100
+++ b/src/js/main.js	Fri Dec 23 11:41:46 2011 +0100
@@ -1,6 +1,11 @@
 /* main file */
 
+
 if ( window.IriSP === undefined && window.__IriSP === undefined ) { 
+  /**
+    We define here IriSP, the object under which everything goes.
+    We also alias it to __IriSP for backward compatibility
+  */
 	var IriSP = {}; 
 	var __IriSP = IriSP; /* for backward compatibility */
 }