Index: trunk/FACT++/www/viewer/index.html
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--- trunk/FACT++/www/viewer/index.html	(revision 17824)
+++ trunk/FACT++/www/viewer/index.html	(revision 17847)
@@ -572,4 +572,10 @@
 a 0.
 
+<H3>Are there Monte Carlo files available?</H3>
+Yes, there are. Monte Carlo files have the date 0000/00/00 and  the
+praticle ID as run-number (1: gamma, 6: muon, 14: proton). To my
+understanding, the run-numbers 100, 101 and 102 refer to pedestals with
+closed shutter (100 and 101) and open shutter (102).
+
 <H3>How to change the displayed pixel?</H3>
 Enter the pixel number on the corresponding field or its hwardware