diff --git a/DEF-files/HMS/PRODUCTION/hstackana_production.def b/DEF-files/HMS/PRODUCTION/hstackana_production.def
index 430ec754b472a0dba5e0a07554f514e92e8d38ac..cb40f2a34945b52883f5e8875ba2c3bcb41a3f9a 100644
--- a/DEF-files/HMS/PRODUCTION/hstackana_production.def
+++ b/DEF-files/HMS/PRODUCTION/hstackana_production.def
@@ -6,6 +6,6 @@
 #include "DEF-files/HMS/PRODUCTION/GTR/hgtr_histos.def"
 #include "DEF-files/HMS/PRODUCTION/RASTER/hraster_histos.def"
 #include "DEF-files/HMS/PRODUCTION/TRIG/htrig_histos.def"
-#include "DEF-files/HMS/PRODUCTION/EPICS/hepics_vars.def"
+#include "DEF-files/HMS/PRODUCTION/EPICS/hepics_histos.def"
 #include "DEF-files/HMS/PRODUCTION/REACT/hreact_histos.def"
-#include "DEF-files/HMS/PRODUCTION/PID/hpid_histos.def"
\ No newline at end of file
+#include "DEF-files/HMS/PRODUCTION/PID/hpid_histos.def"
diff --git a/DEF-files/HMS/PRODUCTION/hstackana_production.def.bck b/DEF-files/HMS/PRODUCTION/hstackana_production.def.bck
new file mode 100644
index 0000000000000000000000000000000000000000..cda0f9e0b245f7862f8ae3ceb120a8102e24fc37
--- /dev/null
+++ b/DEF-files/HMS/PRODUCTION/hstackana_production.def.bck
@@ -0,0 +1,19 @@
+#include "DEF-files/HMS/PRODUCTION/BLOCK/hblock_vars.def"
+
+#include "DEF-files/HMS/TEST_STANDS/CER/hcerana_histos.def"
+#include "DEF-files/HMS/TEST_STANDS/DC/hdcana_histos.def"
+#include "DEF-files/HMS/TEST_STANDS/HODO/hhodoana_histos.def"
+#include "DEF-files/HMS/TEST_STANDS/CAL/hcalana_histos.def"
+#include "DEF-files/HMS/TEST_STANDS/TRIG/htrigana_histos.def"
+
+#include "DEF-files/HMS/PRODUCTION/CAL/hcal_histos.def"
+#include "DEF-files/HMS/PRODUCTION/CER/hcer_histos.def"
+#include "DEF-files/HMS/PRODUCTION/DC/hdc_histos.def"
+#include "DEF-files/HMS/PRODUCTION/HODO/hhodo_histos.def"
+#include "DEF-files/HMS/PRODUCTION/KIN/hkin_histos.def"
+#include "DEF-files/HMS/PRODUCTION/GTR/hgtr_histos.def"
+#include "DEF-files/HMS/PRODUCTION/RASTER/hraster_histos.def"
+#include "DEF-files/HMS/PRODUCTION/TRIG/htrig_histos.def"
+#include "DEF-files/HMS/PRODUCTION/EPICS/hepics_histos.def"
+#include "DEF-files/HMS/PRODUCTION/REACT/hreact_histos.def"
+#include "DEF-files/HMS/PRODUCTION/PID/hpid_histos.def"
diff --git a/DEF-files/SHMS/PRODUCTION/pstackana_production.def b/DEF-files/SHMS/PRODUCTION/pstackana_production.def
index 914aa1b98fd7d45d0d0e3039b170edccd9a4c138..776d42962962e217409d9f8f3c53fe878cf61c0c 100644
--- a/DEF-files/SHMS/PRODUCTION/pstackana_production.def
+++ b/DEF-files/SHMS/PRODUCTION/pstackana_production.def
@@ -1,8 +1,8 @@
 #include "DEF-files/SHMS/PRODUCTION/AERO/paero_histos.def"
 #include "DEF-files/SHMS/PRODUCTION/CAL/pcal_histos.def"
 #include "DEF-files/SHMS/PRODUCTION/DC/pdc_histos.def"
-#include "DEF-files/SHMS/PRODUCTION/EPICS/pepics_vars.def"
-#include "DEF-files/SHMS/PRODUCTION/GTR/pgtr_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/EPICS/pepics_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/GTR/hgtr_histos.def"
 #include "DEF-files/SHMS/PRODUCTION/HGCER/phgcer_histos.def"
 #include "DEF-files/SHMS/PRODUCTION/HODO/phodo_histos.def"
 #include "DEF-files/SHMS/PRODUCTION/KIN/pkin_histos.def"
@@ -10,4 +10,4 @@
 #include "DEF-files/SHMS/PRODUCTION/RASTER/praster_histos.def"
 #include "DEF-files/SHMS/PRODUCTION/TRIG/ptrig_histos.def"
 #include "DEF-files/SHMS/PRODUCTION/REACT/preact_histos.def"
-#include "DEF-files/SHMS/PRODUCTION/PID/ppid_histos.def"
\ No newline at end of file
+#include "DEF-files/SHMS/PRODUCTION/PID/ppid_histos.def"
diff --git a/DEF-files/SHMS/PRODUCTION/pstackana_production.def.bck b/DEF-files/SHMS/PRODUCTION/pstackana_production.def.bck
new file mode 100644
index 0000000000000000000000000000000000000000..9f0b280d1c2ccdec13ef5b0a39379bd67602e4c1
--- /dev/null
+++ b/DEF-files/SHMS/PRODUCTION/pstackana_production.def.bck
@@ -0,0 +1,23 @@
+#include "DEF-files/SHMS/PRODUCTION/BLOCK/pblock_vars.def"
+
+#include "DEF-files/SHMS/TEST_STANDS/AERO/paeroana_histos.def"
+#include "DEF-files/SHMS/TEST_STANDS/CAL/pcalana_histos.def"
+#include "DEF-files/SHMS/TEST_STANDS/DC/pdcana_histos.def"
+#include "DEF-files/SHMS/TEST_STANDS/HGCER/pgcerana_histos.def"
+#include "DEF-files/SHMS/TEST_STANDS/HODO/phodoana_histos.def"
+#include "DEF-files/SHMS/TEST_STANDS/NGCER/pngcerana_histos.def"
+#include "DEF-files/SHMS/TEST_STANDS/TRIG/ptrigana_histos.def"
+
+#include "DEF-files/SHMS/PRODUCTION/AERO/paero_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/CAL/pcal_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/DC/pdc_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/EPICS/pepics_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/GTR/hgtr_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/HGCER/phgcer_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/HODO/phodo_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/KIN/pkin_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/NGCER/pngcer_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/RASTER/praster_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/TRIG/ptrig_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/REACT/preact_histos.def"
+#include "DEF-files/SHMS/PRODUCTION/PID/ppid_histos.def"
diff --git a/hallc_replay_gui.py b/hallc_replay_gui.py
new file mode 100755
index 0000000000000000000000000000000000000000..7ee74e68dd8b2be5a4040a8ea2e04b5e55bf16bb
--- /dev/null
+++ b/hallc_replay_gui.py
@@ -0,0 +1,433 @@
+#!/apps/python/python-2.7.1/bin/python
+
+import Tkinter as tk
+import os
+
+root = tk.Tk()
+
+hms_def_filename = "DEF-files/HMS/PRODUCTION/hstackana_production.def"
+hms_def_filename_bck = "DEF-files/HMS/PRODUCTION/hstackana_production.def.bck"
+shms_def_filename = "DEF-files/SHMS/PRODUCTION/pstackana_production.def"
+shms_def_filename_bck = "DEF-files/SHMS/PRODUCTION/pstackana_production.def.bck"
+
+def hms_var_states():
+    hms_def_file_text = []
+    if (hcerana_histos.get() == 1) or (hdcana_histos.get() == 1) or (hhodoana_histos.get() == 1) or (hcalana_histos.get() == 1) or (htrigana_histos.get() == 1):
+        hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/BLOCK/hblock_vars.def"\n''')
+        hms_def_file_text.append("\n")
+
+    if hcerana_histos.get() == 1:
+        hms_def_file_text.append('''#include "DEF-files/HMS/TEST_STANDS/CER/hcerana_histos.def"\n''')
+    if hdcana_histos.get() == 1:
+        hms_def_file_text.append('''#include "DEF-files/HMS/TEST_STANDS/DC/hdcana_histos.def"\n''')
+    if hhodoana_histos.get() == 1:
+        hms_def_file_text.append('''#include "DEF-files/HMS/TEST_STANDS/HODO/hhodoana_histos.def"\n''')
+    if hcalana_histos.get() == 1:
+        hms_def_file_text.append('''#include "DEF-files/HMS/TEST_STANDS/CAL/hcalana_histos.def"\n''')
+    if htrigana_histos.get() == 1:
+        hms_def_file_text.append('''#include "DEF-files/HMS/TEST_STANDS/TRIG/htrigana_histos.def"\n''')
+    if (hcerana_histos.get() == 1) or (hdcana_histos.get() == 1) or (hhodoana_histos.get() == 1) or (hcalana_histos.get() == 1) or (htrigana_histos.get() == 1):
+        hms_def_file_text.append("\n")
+
+    if hcal_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/CAL/hcal_histos.def"\n''')
+    if hcer_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/CER/hcer_histos.def"\n''')
+    if hdc_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/DC/hdc_histos.def"\n''')
+    if hhodo_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/HODO/hhodo_histos.def"\n''')
+    if hkin_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/KIN/hkin_histos.def"\n''')
+    if hgtr_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/GTR/hgtr_histos.def"\n''')
+    if hraster_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/RASTER/hraster_histos.def"\n''')
+    if htrig_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/TRIG/htrig_histos.def"\n''')
+    if hepics_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/EPICS/hepics_histos.def"\n''')
+    if hreact_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/REACT/hreact_histos.def"\n''')
+    if hpid_histos.get() == 1:
+	hms_def_file_text.append('''#include "DEF-files/HMS/PRODUCTION/PID/hpid_histos.def"\n''')
+   
+    print ("Backing up current HMS Output DEF-file ...")
+    command = "mv " + hms_def_filename + " " + hms_def_filename_bck
+    os.system(command) 
+    print ("Writing new HMS Output DEF-file ...")
+    hms_def_file = open(hms_def_filename,"w")
+    hms_def_file.writelines(hms_def_file_text)
+    hms_def_file.close()
+
+def shms_var_states():
+    shms_def_file_text = []
+    if (paeroana_histos.get() == 1) or (pcalana_histos.get() == 1) or (pdcana_histos.get() == 1) or (phgcerana_histos.get() == 1) or (phodoana_histos.get() == 1) or ( pngcerana_histos.get() == 1) or (ptrigana_histos.get() == 1):
+        shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/BLOCK/pblock_vars.def"\n''')
+        shms_def_file_text.append("\n")
+
+    if paeroana_histos.get() == 1:
+        shms_def_file_text.append('''#include "DEF-files/SHMS/TEST_STANDS/AERO/paeroana_histos.def"\n''')
+    if pcalana_histos.get() == 1:
+        shms_def_file_text.append('''#include "DEF-files/SHMS/TEST_STANDS/CAL/pcalana_histos.def"\n''')
+    if pdcana_histos.get() == 1:
+        shms_def_file_text.append('''#include "DEF-files/SHMS/TEST_STANDS/DC/pdcana_histos.def"\n''')
+    if phgcerana_histos.get() == 1:
+        shms_def_file_text.append('''#include "DEF-files/SHMS/TEST_STANDS/HGCER/pgcerana_histos.def"\n''')
+    if phodoana_histos.get() == 1:
+        shms_def_file_text.append('''#include "DEF-files/SHMS/TEST_STANDS/HODO/phodoana_histos.def"\n''')
+    if pngcerana_histos.get() == 1:
+        shms_def_file_text.append('''#include "DEF-files/SHMS/TEST_STANDS/NGCER/pngcerana_histos.def"\n''')
+    if ptrigana_histos.get() == 1:
+        shms_def_file_text.append('''#include "DEF-files/SHMS/TEST_STANDS/TRIG/ptrigana_histos.def"\n''')
+    if (paeroana_histos.get() == 1) or (pcalana_histos.get() == 1) or (pdcana_histos.get() == 1) or (phgcerana_histos.get() == 1) or (phodoana_histos.get() == 1) or ( pngcerana_histos.get() == 1) or (ptrigana_histos.get() == 1):
+        shms_def_file_text.append("\n")
+
+    if paero_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/AERO/paero_histos.def"\n''')
+    if pcal_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/CAL/pcal_histos.def"\n''')
+    if pdc_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/DC/pdc_histos.def"\n''')
+    if pepics_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/EPICS/pepics_histos.def"\n''')
+    if pgtr_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/GTR/hgtr_histos.def"\n''')
+    if phgcer_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/HGCER/phgcer_histos.def"\n''')
+    if phodo_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/HODO/phodo_histos.def"\n''')
+    if pkin_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/KIN/pkin_histos.def"\n''')
+    if pngcer_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/NGCER/pngcer_histos.def"\n''')
+    if praster_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/RASTER/praster_histos.def"\n''')
+    if ptrig_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/TRIG/ptrig_histos.def"\n''')
+    if preact_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/REACT/preact_histos.def"\n''')
+    if ppid_histos.get() == 1:
+	shms_def_file_text.append('''#include "DEF-files/SHMS/PRODUCTION/PID/ppid_histos.def"\n''')
+   
+    print ("Backing up current SHMS Output DEF-file ...")
+    command = "mv " + shms_def_filename + " " + shms_def_filename_bck
+    os.system(command) 
+    print ("Writing new SHMS Output DEF-file ...")
+    shms_def_file = open(shms_def_filename,"w")
+    shms_def_file.writelines(shms_def_file_text)
+    shms_def_file.close()
+
+def set_hms_production_defaults():
+    hcal_histos.set(1)
+    hcer_histos.set(1)
+    hdc_histos.set(1)
+    hhodo_histos.set(1)
+    htrig_histos.set(1)
+    hkin_histos.set(1)
+    hgtr_histos.set(1)
+    hraster_histos.set(1)
+    hepics_histos.set(1)
+    hreact_histos.set(1)
+    hpid_histos.set(1)
+    hcalana_histos.set(0)
+    hcerana_histos.set(0)
+    hdcana_histos.set(0)
+    hhodoana_histos.set(0)
+    htrigana_histos.set(0)
+    
+def set_shms_production_defaults():
+    paero_histos.set(1)
+    pcal_histos.set(1)
+    pdc_histos.set(1)
+    pepics_histos.set(1)
+    pgtr_histos.set(1)
+    phgcer_histos.set(1)
+    phodo_histos.set(1)
+    pkin_histos.set(1)
+    pngcer_histos.set(1)
+    praster_histos.set(1)
+    ptrig_histos.set(1)
+    preact_histos.set(1)
+    ppid_histos.set(1)
+    paeroana_histos.set(0)
+    pcalana_histos.set(0)
+    pdcana_histos.set(0)
+    phgcerana_histos.set(0)
+    phodoana_histos.set(0)
+    pngcerana_histos.set(0)
+    ptrigana_histos.set(0)
+    
+def set_hms_teststand_on():
+    hcalana_histos.set(1)
+    hcerana_histos.set(1)
+    hdcana_histos.set(1)
+    hhodoana_histos.set(1)
+    htrigana_histos.set(1)
+
+def set_shms_teststand_on():
+    paeroana_histos.set(1)
+    pcalana_histos.set(1)
+    pdcana_histos.set(1)
+    phgcerana_histos.set(1)
+    phodoana_histos.set(1)
+    pngcerana_histos.set(1)
+    ptrigana_histos.set(1)
+
+hcal_histos = tk.IntVar()
+hcer_histos = tk.IntVar()
+hdc_histos = tk.IntVar()
+hhodo_histos = tk.IntVar()
+hkin_histos = tk.IntVar()
+hgtr_histos = tk.IntVar()
+hraster_histos = tk.IntVar()
+htrig_histos = tk.IntVar()
+hepics_histos = tk.IntVar()
+hreact_histos = tk.IntVar()
+hpid_histos = tk.IntVar()
+
+paero_histos = tk.IntVar()
+pcal_histos = tk.IntVar()
+pdc_histos = tk.IntVar()
+pepics_histos = tk.IntVar()
+pgtr_histos = tk.IntVar()
+phgcer_histos = tk.IntVar()
+phodo_histos = tk.IntVar()
+pkin_histos = tk.IntVar()
+pngcer_histos = tk.IntVar()
+praster_histos = tk.IntVar()
+ptrig_histos = tk.IntVar()
+preact_histos = tk.IntVar()
+ppid_histos = tk.IntVar()
+
+hcalana_histos = tk.IntVar()
+hcerana_histos = tk.IntVar()
+hdcana_histos = tk.IntVar()
+hhodoana_histos = tk.IntVar()
+htrigana_histos = tk.IntVar()
+
+paeroana_histos = tk.IntVar()
+pcalana_histos = tk.IntVar()
+pdcana_histos = tk.IntVar()
+phgcerana_histos = tk.IntVar()
+phodoana_histos = tk.IntVar()
+pngcerana_histos = tk.IntVar()
+ptrigana_histos = tk.IntVar()
+
+set_hms_production_defaults()
+set_shms_production_defaults()
+
+irow=0
+icol=0
+
+tk.Label(root, 
+        text="""HMS Histogram Blocks:""",
+        justify = tk.LEFT,
+        padx = 20).grid(row=irow,column=icol,columnspan=2,sticky=tk.W)
+irow=irow+1
+tk.Label(root, 
+        text="""Production:""",
+        justify = tk.LEFT,
+        padx = 20).grid(row=irow,column=icol,sticky=tk.W)
+tk.Label(root, 
+        text="""Test Stands:""",
+        justify = tk.LEFT,
+        padx = 20).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Calorimeter",
+              padx = 20, 
+              variable=hcal_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Calorimeter",
+              padx = 20, 
+              variable=hcalana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Cerenkov",
+              padx = 20, 
+              variable=hcer_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Cerenkov",
+              padx = 20, 
+              variable=hcerana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Drift Chambers",
+              padx = 20, 
+              variable=hdc_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Drift Chambers",
+              padx = 20, 
+              variable=hdcana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Hodoscope",
+              padx = 20, 
+              variable=hhodo_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Hodoscope",
+              padx = 20, 
+              variable=hhodoana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Trigger",
+              padx = 20, 
+              variable=htrig_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Trigger",
+              padx = 20, 
+              variable=htrigana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Kinematics",
+              padx = 20, 
+              variable=hkin_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Tracking",
+              padx = 20, 
+              variable=hgtr_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Raster",
+              padx = 20, 
+              variable=hraster_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Epics",
+              padx = 20, 
+              variable=hepics_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Reaction",
+              padx = 20, 
+              variable=hreact_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="PID",
+              padx = 20, 
+              variable=hpid_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+3
+tk.Button(root, text='Quit', command=root.quit,justify=tk.LEFT,padx=20).grid(row=irow,column=icol,sticky=tk.W)
+tk.Button(root, text='HMS Production Default', command=set_hms_production_defaults,justify=tk.LEFT,padx=20).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Button(root, text='Write HMS DEF-file', command=hms_var_states,justify=tk.LEFT,padx=20).grid(row=irow,column=icol,sticky=tk.W)
+tk.Button(root, text='All HMS Test Stands', command=set_hms_teststand_on,justify=tk.LEFT,padx=20).grid(row=irow,column=icol+1,sticky=tk.W)
+
+irow=0
+icol=2
+
+tk.Label(root, 
+        text="""SHMS Histogram Blocks:""",
+        justify = tk.LEFT,
+        padx = 20).grid(row=irow,column=icol,columnspan=2,sticky=tk.W)
+irow=irow+1
+tk.Label(root, 
+        text="""Production:""",
+        justify = tk.LEFT,
+        padx = 20).grid(row=irow,column=icol,sticky=tk.W)
+tk.Label(root, 
+        text="""Test Stands:""",
+        justify = tk.LEFT,
+        padx = 20).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Aerogel",
+              padx = 20, 
+              variable=paero_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Aerogel",
+              padx = 20, 
+              variable=paeroana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Calorimeter",
+              padx = 20, 
+              variable=pcal_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Calorimeter",
+              padx = 20, 
+              variable=pcalana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Drift Chambers",
+              padx = 20, 
+              variable=pdc_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Drift Chambers",
+              padx = 20, 
+              variable=pdcana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Heavy Gas Cerenkov",
+              padx = 20, 
+              variable=phgcer_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Heavy Gas Cerenkov",
+              padx = 20, 
+              variable=phgcerana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Hodoscope",
+              padx = 20, 
+              variable=phodo_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Hodoscope",
+              padx = 20, 
+              variable=phodoana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Noble Gas Cerenkov",
+              padx = 20, 
+              variable=pngcer_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Noble Gas Cerenkov",
+              padx = 20, 
+              variable=pngcerana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Trigger",
+              padx = 20, 
+              variable=ptrig_histos).grid(row=irow,column=icol,sticky=tk.W)
+tk.Checkbutton(root, 
+              text="Raw Trigger",
+              padx = 20, 
+              variable=ptrigana_histos).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Kinematics",
+              padx = 20, 
+              variable=pkin_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Tracking",
+              padx = 20, 
+              variable=pgtr_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Raster",
+              padx = 20, 
+              variable=praster_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Epics",
+              padx = 20, 
+              variable=pepics_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="Reaction",
+              padx = 20, 
+              variable=preact_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Checkbutton(root, 
+              text="PID",
+              padx = 20, 
+              variable=ppid_histos).grid(row=irow,column=icol,sticky=tk.W)
+irow=irow+1
+tk.Button(root, text='SHMS Production Default', command=set_shms_production_defaults,justify=tk.LEFT,padx=20).grid(row=irow,column=icol+1,sticky=tk.W)
+irow=irow+1
+tk.Button(root, text='Write SHMS DEF-file', command=shms_var_states,justify=tk.LEFT,padx=20).grid(row=irow,column=icol,sticky=tk.W)
+tk.Button(root, text='All SHMS Test Stands', command=set_shms_teststand_on,justify=tk.LEFT,padx=20).grid(row=irow,column=icol+1,sticky=tk.W)
+
+root.mainloop()