Index: /trunk/FACT++/www/viewer/index.html
===================================================================
--- /trunk/FACT++/www/viewer/index.html	(revision 17713)
+++ /trunk/FACT++/www/viewer/index.html	(revision 17714)
@@ -52,5 +52,5 @@
 </div>
 <div id="editorcontainer1" style="z-index:600;">
-   <form action="getevent.php" method="post" style="margin-bottom:0px">
+   <form action="index.php" method="post" style="margin-bottom:0px">
       <div id="textcontainer1">
          <textarea id="editor1" name="editor1" type="textarea">
@@ -70,5 +70,5 @@
 </div>
 <div id="editorcontainer2">
-   <form action="getevent.php" method="post" style="margin-bottom:0px">
+   <form action="index.php" method="post" style="margin-bottom:0px">
       <div id="textcontainer2"> 
          <textarea id="editor2" name="editor2" type="textarea">
@@ -298,4 +298,8 @@
 <tr><td>$.data[numPix][numRoi]</td><td>Theevent data</td></tr>
 </table>
+
+<H3>Stack traces</H3>
+Please note that due to some interna, the line numbers in the
+stack trace shown in case of runtime errors are by one line too high.
 
 <H3>Editor 1 (proc)</H3>
@@ -333,4 +337,8 @@
 exactly is retruned by proc (an array, or an array with sub-arrays).
 
+Pixel which are not returned (<tt>undefind</tt> or <tt>null</tt>) are
+not displayed. This allows to show cleaned images as well or test
+image cleaning algorithms.
+
 <H3>What is the data?</H3>
 The data are all data files found in disks in La Palma (to be precise: