-my $logfile = "$jobdir/ctsim.log";
-
-my $result_fname = "$datadir/result-$tmpid.html";
-my $phantom_fname = "$datadir/phantom-$tmpid.sdf";
-my $rs_fname = "$datadir/rs-$tmpid.rs";
-my $ir_fname = "$datadir/ir-$tmpid.sdf";
-my $rs_sdf_fname = "$datadir/rs-$tmpid.sdf";
-my $diff_fname = "$datadir/diff-$tmpid.sdf";
-my $phantom_png = "$datadir/phantom-$tmpid.png";
-my $ir_png = "$datadir/ir-$tmpid.png";
-my $rs_png = "$datadir/rs-$tmpid.png";
-my $diff_png = "$datadir/diff-$tmpid.png";
-
-my $result_url = "$url_datadir/result-$tmpid.html";
-my $phantom_png_url = "$url_datadir/phantom-$tmpid.png";
-my $ir_png_url = "$url_datadir/ir-$tmpid.png";
-my $rs_png_url = "$url_datadir/rs-$tmpid.png";
-my $diff_png_url = "$url_datadir/diff-$tmpid.png";
-
-my $ctrec_ver = "$bindir/ctrec";
-my $phm2rs_ver = "$bindir/phm2rs";
-my $phm2sdf_ver = "$bindir/phm2sdf";
-my $diff_ver = "$bindir/sdf-2";
-$ctrec_ver = "/opt/lam/bin/mpirun N N $bindir/ctrec-lam" if $MPI;
-$phm2rs_ver = "/opt/lam/bin/mpirun N N $bindir/phm2rs-lam" if $MPI;
-$phm2sdf_ver = "/opt/lam/bin/mpirun N N $bindir/phm2sdf-lam" if $MPI;
+my $logfile = "$::jobdir/ctsim.log";
+
+my $result_fname = "$::datadir/result-$tmpid.html";
+my $phantom_fname = "$::datadir/phantom-$tmpid.sdf";
+my $rs_fname = "$::datadir/rs-$tmpid.rs";
+my $ir_fname = "$::datadir/ir-$tmpid.sdf";
+my $rs_sdf_fname = "$::datadir/rs-$tmpid.sdf";
+my $diff_fname = "$::datadir/diff-$tmpid.sdf";
+my $phantom_png = "$::datadir/phantom-$tmpid.png";
+my $ir_png = "$::datadir/ir-$tmpid.png";
+my $rs_png = "$::datadir/rs-$tmpid.png";
+my $diff_png = "$::datadir/diff-$tmpid.png";
+
+my $result_url = "$::url_datadir/result-$tmpid.html";
+my $phantom_png_url = "$::url_datadir/phantom-$tmpid.png";
+my $ir_png_url = "$::url_datadir/ir-$tmpid.png";
+my $rs_png_url = "$::url_datadir/rs-$tmpid.png";
+my $diff_png_url = "$::url_datadir/diff-$tmpid.png";
+
+my $ctrec_ver = "$::bindir/ctrec";
+my $phm2rs_ver = "$::bindir/phm2rs";
+my $phm2sdf_ver = "$::bindir/phm2sdf";
+my $diff_ver = "$::bindir/sdf-2";
+$ctrec_ver = "/opt/lam/bin/mpirun N N $::bindir/ctrec-lam" if $MPI;
+$phm2rs_ver = "/opt/lam/bin/mpirun N N $::bindir/phm2rs-lam" if $MPI;
+$phm2sdf_ver = "/opt/lam/bin/mpirun N N $::bindir/phm2sdf-lam" if $MPI;