Index: tools/Scripts/Logon
===================================================================
--- tools/Scripts/Logon	(revision 229)
+++ tools/Scripts/Logon	(revision 274)
@@ -8,7 +8,8 @@
 if [ -z "$DIMDIR" ]; then export DIMDIR=/usr/local/dim/; fi
 if [ -z "$QWTDIR" ]; then export QWTDIR=/usr/local/qwt/; fi
+if [ -z "$QTDIR" ]; then export QTDIR=/usr/local/Trolltech/Qt-4.6.2; fi
 
 export LD_LIBRARY_PATH=$QWTDIR/lib:$DIMDIR/linux:$LD_LIBRARY_PATH
-export PATH=$DIMDIR/linux:$REPOS_DIR/tools/Scripts:/usr/local/Trolltech/Qt-4.4.3/bin:.:$PATH
+export PATH=$DIMDIR/linux:$REPOS_DIR/tools/Scripts:$QTDIR/bin:.:$PATH
 
 echo