-my ($menu) = "../nwww/menu.inc" ;
-my ($header) = "../nwww/header.inc";
-my ($footer) = "../nwww/footer.inc";
-my ($style) = "../nwww/style.inc";
+my ($incdir) = "../nwww";
+
+# Include files
+my ($doctype) = "$incdir/doctype.inc";
+my ($style) = "$incdir/style.inc";
+my ($header) = "$incdir/header.inc";
+my ($footer) = "$incdir/footer.inc";
+my ($menu) = "$incdir/menu.inc" ;