diff --git a/oracle-docs.perl b/oracle-docs.perl
index acbad3c..8003bee 100755
--- a/oracle-docs.perl
+++ b/oracle-docs.perl
@@ -20,22 +20,22 @@
 @references =
 (
 	# Name(0)	Code(1)	URL(2)
-	"Documentation									Docs		" . $oracle_documentation_root,
-	"Database Administrator<apostrophe/>s Guide					Admin		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/server.111/b28310/toc.htm",
-	"2 Day Developer<apostrophe/>s Guide			AppDev2Day		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/appdev.111/b28843/toc.htm",
-	"Advanced Application Developer<apostrophe/>s Guide			AppDevAdv		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/appdev.111/b28424/toc.htm",
-	"Object-Relational Developer<apostrophe/>s Guide	AppDevOR	http://info-nts-12.otago.ac.nz/docs/oracle11gr1/appdev.111/b28371/toc.htm",
-	"Database Concepts								Concepts	http://info-nts-12.otago.ac.nz/docs/oracle11gr1/server.111/b28318/toc.htm",
-	"Data Warehousing Guide								DataWarehousing	http://info-nts-12.otago.ac.nz/docs/oracle11gr1/server.111/b28313/toc.htm",
-	"Database Error Messages									Errors		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/server.111/b28278/toc.htm",
-	"SQL Reference									SQL		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/server.111/b28286/toc.htm",
-	"Java Developer<apostrophe/>s Guide						Java		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/java.111/b31225/toc.htm",
-	"JDBC Developer<apostrophe/>s Guide and Reference				JDBC		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/java.111/b31224/toc.htm",
-	"Database Master Glossary								Glossary	http://info-nts-12.otago.ac.nz/docs/oracle11gr1/mix.111/b14388/toc.htm",
-	"Performance Tuning Guide							Tuning		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/server.111/b28274/toc.htm",
-	"PL/SQL User<apostrophe/>s Guide and Reference					PLSQL		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/appdev.111/b28370/toc.htm",
-	"Database Master Index									Index		http://info-nts-12.otago.ac.nz/docs/oracle11gr1/mix.111/b14387/toc.htm",
-	"Database Reference								Reference	http://info-nts-12.otago.ac.nz/docs/oracle11gr1/server.111/b28320/toc.htm"
+	"Documentation										Docs			${oracle_documentation_root}",
+	"Database Administrator<apostrophe/>s Guide			Admin			${oracle_documentation_root}server.111/b28310/toc.htm",
+	"2 Day Developer<apostrophe/>s Guide				AppDev2Day		${oracle_documentation_root}appdev.111/b28843/toc.htm",
+	"Advanced Application Developer<apostrophe/>s Guide	AppDevAdv		${oracle_documentation_root}appdev.111/b28424/toc.htm",
+	"Object-Relational Developer<apostrophe/>s Guide	AppDevOR		${oracle_documentation_root}appdev.111/b28371/toc.htm",
+	"Database Concepts									Concepts		${oracle_documentation_root}server.111/b28318/toc.htm",
+	"Data Warehousing Guide								DataWarehousing	${oracle_documentation_root}server.111/b28313/toc.htm",
+	"Database Error Messages							Errors			${oracle_documentation_root}server.111/b28278/toc.htm",
+	"SQL Reference										SQL				${oracle_documentation_root}server.111/b28286/toc.htm",
+	"Java Developer<apostrophe/>s Guide					Java			${oracle_documentation_root}java.111/b31225/toc.htm",
+	"JDBC Developer<apostrophe/>s Guide and Reference	JDBC			${oracle_documentation_root}java.111/b31224/toc.htm",
+	"Database Master Glossary							Glossary		${oracle_documentation_root}mix.111/b14388/toc.htm",
+	"Performance Tuning Guide							Tuning			${oracle_documentation_root}server.111/b28274/toc.htm",
+	"PL/SQL Language Reference							PLSQL			${oracle_documentation_root}appdev.111/b28370/toc.htm",
+	"Database Master Index								Index			${oracle_documentation_root}mix.111/b14387/toc.htm",
+	"Database Reference									Reference		${oracle_documentation_root}server.111/b28320/toc.htm"
 );
 
 # Prefix to use in the generated template names: