Index: /trunk/FACT++/www/viewer/index.html
===================================================================
--- /trunk/FACT++/www/viewer/index.html	(revision 17823)
+++ /trunk/FACT++/www/viewer/index.html	(revision 17824)
@@ -134,9 +134,9 @@
    <input id="submit"  type="button" onclick="onSubmit();" value="Submit"></input>
    <span style="float:right;white-space:nowrap;">
-      MC
+      <span id="txtmontecarlo" style="color:darkgrey;">MC</span>
       <input id="montecarlo" style="margin-left:0px;margin-right:5px;" type="checkbox" onclick="onSubmit();" disabled="true"></input>
-      DRS
+      <span id="txtdrsfile">DRS</span>
       <input id="drsfile" style="margin-left:0px;margin-right:5px;" type="checkbox" onclick="onSubmit();"></input>
-      Cal
+      <span id="txtcalibrated">Cal</span>
       <input id="calibrated" style="margin-left:0px;margin-right:5px;" type="checkbox" onclick="onSubmit();"></input>
       Run 
Index: /trunk/FACT++/www/viewer/index.js
===================================================================
--- /trunk/FACT++/www/viewer/index.js	(revision 17823)
+++ /trunk/FACT++/www/viewer/index.js	(revision 17824)
@@ -225,4 +225,8 @@
     $('#drsfile').prop('disabled',     !hasDrs || isMC);
 
+    $('#txtcalibrated').css('color', (!hasCal && !drs.checked) || isMC ? 'darkgrey' : 'black');
+    $('#txtdrsfile').css(   'color',  !hasDrs || isMC                  ? 'darkgrey' : 'black');
+    $('#txtmontecarlo').css('color',  !isMC                            ? 'darkgrey' : 'black');
+
     $('#montecarlo').prop('checked', isMC);
 }