if [ -z "$CLASSPATH" ]; then
   export CLASSPATH=.:/home/group/xmltools/parsers/xerces/xerces-1_2_0/xerces.jar:/home/group/xmltools/parsers/xerces/sax2/sax2.jar:/home/group/xmltools/formatters/xalan/xalan.jar:/home/group/xmltools/formatters/fop/fop-0_16_0/fop.jar:/home/group/xmltools/formatters/fop/fop-0_16_0/lib/w3c.jar
else
   export CLASSPATH=.:/home/group/xmltools/parsers/xerces/xerces-1_2_0/xerces.jar:/home/group/xmltools/parsers/xerces/sax2/sax2.jar:/home/group/xmltools/formatters/xalan/xalan.jar:/home/group/xmltools/formatters/fop/fop-0_16_0/fop.jar:/home/group/xmltools/formatters/fop/fop-0_16_0/lib/w3c.jar:$CLASSPATH
fi