Index: trunk/FACT++/www/viewer/index.php
===================================================================
--- trunk/FACT++/www/viewer/index.php	(revision 19371)
+++ trunk/FACT++/www/viewer/index.php	(revision 19372)
@@ -4,6 +4,13 @@
     die("V8Js missing");
 
+// ********************************************************************
+
+// Add the path to your getevent executable. It is part of FACT++
+// and usually resides either in its main or in its build directory.
 $getevent = "/home/fact/FACT++/getevent";
 
+// Three paths to calibrated raw data ('cal'), the raw data
+// itself ('raw') and your Monte Carlo data ('mc'). Calibrated and
+// Monte Carlo data neeeds special preparation.
 $path = array(
               "cal" => "/newdata/www/cal/",
@@ -11,4 +18,6 @@
               "mc"  => "/newdata/www/mc/",
               );
+
+// ********************************************************************
 
 if (isset($_POST['editor1']) || isset($_POST['editor2']))