diff -udr func/slice/sdsmt/do.tcl /usr/local/lib/SimPack/func/slice/sdsmt/do.tcl
--- func/slice/sdsmt/do.tcl	Fri Aug 25 01:01:09 1995
+++ /usr/local/lib/SimPack/func/slice/sdsmt/do.tcl	Mon May 19 13:16:58 1997
@@ -94,16 +94,19 @@
 #	Purpose: redraw objects on the canvas.
 #-------------------------------------------------------
 proc redraw_object {w type x y text} {
-  global obj
+  global obj sdsmlib
 
   switch -exact -- $type {
   	1 {set oid [$w create rectangle [expr $x-25] [expr $y-10] [expr $x+25]\
         	[expr $y+10] -width 1 ]}
-	2 {set oid [$w create bitmap $x $y -bitmap @./XBM/rate.bmp ]}
+	2 {set oid [$w create bitmap $x $y \
+                  -bitmap @[file join $sdsmlib XBM rate.bmp] ]}
 	3 {set oid [$w create oval [expr $x-20] [expr $y-20] [expr $x+20]\
 		[expr $y+20] -width 1 ]}
-	4 {set oid [$w create bitmap $x $y -bitmap @./XBM/const.bmp]}
-	5 {set oid [$w create bitmap $x $y -bitmap @./XBM/source.bmp]}
+	4 {set oid [$w create bitmap $x $y \
+                  -bitmap @[file join $sdsmlib XBM const.bmp] ]}
+	5 {set oid [$w create bitmap $x $y \
+                  -bitmap @[file join $sdsmlib XBM source.bmp] ]}
   }
   set text_id [show_text $w $type $x $y $text]
   set obj($oid) [list $oid $type $x $y $text $text_id]
@@ -116,7 +119,7 @@
 #	Purpose: redraw the links between objects on the canvas.
 #-------------------------------------------------------
 proc redraw_link {w type x y sid tid} {
-  global obj
+  global obj sdsmlib
 
   puts "object #$sid (source) : $obj($sid)"
   puts "object #$tid (target) : $obj($tid)"
@@ -142,7 +145,8 @@
     }
   } else {
     set oid [$w create line $sx $sy $x $y $tx $ty -width 1 -arrow last \
-      -smooth true -capstyle projecting -stipple @./bitmaps/grey.5 ]
+      -smooth true -capstyle projecting \
+      -stipple @[file join $sdsmlib bitmaps grey.5] ]
   }
   set obj($oid) [list $oid $type $x $y $sid $tid]
   puts "link object $oid: $obj($oid) loaded"
diff -udr func/slice/sdsmt/draw.tcl /usr/local/lib/SimPack/func/slice/sdsmt/draw.tcl
--- func/slice/sdsmt/draw.tcl	Fri Aug 25 01:01:09 1995
+++ /usr/local/lib/SimPack/func/slice/sdsmt/draw.tcl	Mon May 19 13:16:58 1997
@@ -26,7 +26,7 @@
 #       Purpose: draw a level node object 
 #-------------------------------------------------------
 proc draw_level {w x y} {
-  global mode text_data input_data
+  global mode text_data input_data sdsmlib
 
   set oid [$w create rectangle [expr $x-25] [expr $y-10] [expr $x+25] \
 	[expr $y+10] -width 1 ]
@@ -84,7 +84,7 @@
 
   if {$entry_flg == 1} {
     entry $w.top.e1 -relief sunken -textvariable input_data\
-         -scroll "$w.top.s1 set"
+         -xscrollcommand "$w.top.s1 set"
     scrollbar $w.top.s1 -relief sunken -orient horiz -command \
             "$w.top.e1 view"
   }
@@ -117,9 +117,9 @@
 #       Purpose: draw a rate node object 
 #-------------------------------------------------------
 proc draw_rate {w x y} {
-  global mode text_data input_data
+  global mode text_data input_data sdsmlib
 
-  set oid [$w create bitmap $x $y -bitmap @./XBM/rate.bmp ]
+  set oid [$w create bitmap $x $y -bitmap @[file join $sdsmlib XBM rate.bmp] ]
   get_text_input $mode
   set text_data $input_data
   add_object $w $oid $mode $x $y $text_data
@@ -144,9 +144,9 @@
 #       Purpose: draw an constant node object 
 #-------------------------------------------------------
 proc draw_const {w x y} {
-  global mode text_data input_data
+  global mode text_data input_data sdsmlib
 
-  set oid [$w create bitmap $x $y -bitmap @./XBM/const.bmp]
+  set oid [$w create bitmap $x $y -bitmap @[file join $sdsmlib XBM const.bmp] ]
   get_text_input $mode
   set text_data $input_data
   add_object $w $oid $mode $x $y $text_data
@@ -157,9 +157,9 @@
 #       Purpose: draw a source/sink node object 
 #-------------------------------------------------------
 proc draw_source {w x y} {
-  global mode text_data input_data
+  global mode text_data input_data sdsmlib
 
-  set oid [$w create bitmap $x $y -bitmap @./XBM/source.bmp]
+  set oid [$w create bitmap $x $y -bitmap @[file join $sdsmlib XBM source.bmp] ]
 #  get_text_input $mode
 #  set text_data $input_data
   set text_data ""
@@ -229,6 +229,7 @@
 proc moving {w x y} {
   global oldx oldy
   global obj mode selected_id new_link_id link_flg
+  global sdsmlib
 
   if {$selected_id != -1} {
     # moving an object 
@@ -263,7 +264,8 @@
 	  }
         } else {
           set s_id [$w create line $sx $sy $x $y $tx $ty -width 1 -arrow last \
-	    -smooth true -capstyle projecting -stipple @./bitmaps/grey.5 ]
+	    -smooth true -capstyle projecting \
+            -stipple @[file join $sdsmlib bitmaps grey.5 ] ]
         }
 	set new_link_id $s_id
         $w addtag selected withtag $s_id
@@ -284,7 +286,8 @@
         set s_id [$w create line $oldx $oldy $x $y -width 1 -arrow last]
       } else {
         set s_id [$w create line $oldx $oldy $x $y -width 1 -arrow last \
-	    -capstyle projecting -stipple @./bitmaps/grey.5 ]
+	    -capstyle projecting \
+            -stipple @[file join $sdsmlib bitmaps grey.5] ]
       }
       $w addtag selected withtag $s_id
     }
@@ -297,6 +300,7 @@
 #-------------------------------------------------------
 proc move_end {w x y} {
   global selected_id obj mode oldx oldy new_link_id link_flg
+  global sdsmlib
  
   if {$selected_id != -1} {
     puts "move end"
@@ -348,7 +352,8 @@
 	  }
 	} else {
           set oid [$w create line $oldx $oldy $x $y -width 1 -arrow last \
-	    -capstyle projecting -stipple @./bitmaps/grey.5 ]
+	    -capstyle projecting \
+ 	    -stipple @[file join $sdsmlib bitmaps grey.5] ]
 	}
         add_link $w $oid $mode [expr ($oldx+$x)/2] [expr ($oldy+$y)/2] \
 		$selected_id $t_id
@@ -499,7 +504,7 @@
 #		 links are moved 
 #-------------------------------------------------------
 proc move_asso_links {w} {
-  global selected_id obj
+  global selected_id obj sdsmlib
 
   $w delete label
   foreach i [array names obj] {
@@ -535,7 +540,8 @@
 	  }
         } else {
           set s_id [$w create line $sx $sy $x $y $tx $ty -width 1 -arrow last \
-            -smooth true -capstyle projecting -stipple @./bitmaps/grey.5 ]
+            -smooth true -capstyle projecting \
+            -stipple @[file join $sdsmlib bitmaps grey.5] ]
         }
         $w addtag object withtag $s_id
 	change_link_id $i $s_id
@@ -602,7 +608,7 @@
 #		 the user's input
 #-------------------------------------------------------
 proc show_grid_selection {{w .grid}} {
-  global grid_mode
+  global grid_mode sdsmlib
 
     catch {destroy $w}
     toplevel $w -class Dialog
@@ -617,13 +623,17 @@
             -font -Adobe-times-medium-r-normal--*-180*  
     pack $w.top.msg
 
-    button $w.bot.s0 -bitmap @./XBM/grid0.bmp -command {destroy .grid
+    button $w.bot.s0 -bitmap @[file join $sdsmlib XBM grid0.bmp] \
+                     -command {destroy .grid
 				set grid_mode 0}
-    button $w.bot.s1 -bitmap @./XBM/grid1.bmp -command {destroy .grid
+    button $w.bot.s1 -bitmap @[file join $sdsmlib XBM grid1.bmp] \
+                     -command {destroy .grid
 				set grid_mode 1} 
-    button $w.bot.s2 -bitmap @./XBM/grid2.bmp -command {destroy .grid
+    button $w.bot.s2 -bitmap @[file join $sdsmlib XBM grid2.bmp] \
+                     -command {destroy .grid
 				set grid_mode 2} 
-    button $w.bot.sc -bitmap @./XBM/cancel.bmp -command {destroy .grid
+    button $w.bot.sc -bitmap @[file join $sdsmlib XBM cancel.bmp] \
+                     -command {destroy .grid
 				return -1} 
     pack $w.bot.s0 $w.bot.s1 $w.bot.s2 $w.bot.sc -side left
 
@@ -634,18 +644,21 @@
 #       Purpose: change grid mode
 #-------------------------------------------------------
 proc change_grid_mode {} {
-  global grid_mode
+  global grid_mode sdsmlib
 
   catch {destroy .plate.left.b14}
   puts "grid_mode = $grid_mode"
   switch -exact -- $grid_mode {
-        0 {button .plate.left.b14 -bitmap @./XBM/grid0.xbm -padx 16 \
+        0 {button .plate.left.b14 \
+                -bitmap @[file join $sdsmlib XBM grid0.xbm] -padx 16 \
 		-command "grid_select"
 	  }
-        1 {button .plate.left.b14 -bitmap @./XBM/grid1.xbm -padx 16 \
+        1 {button .plate.left.b14 \
+                -bitmap @[file join $sdsmlib XBM grid1.xbm] -padx 16 \
 		-command "grid_select"
 	  }
-        2 {button .plate.left.b14 -bitmap @./XBM/grid2.xbm -padx 16 \
+        2 {button .plate.left.b14 \
+                -bitmap @[file join $sdsmlib XBM grid2.xbm] -padx 16 \
 		-command "grid_select"
 	  }
   }
@@ -691,6 +704,7 @@
 #       Purpose: show grid on the canvas
 #-------------------------------------------------------
 proc show_grid {mode {w .plate.right.board}} {
+  global sdsmlib
   set max_x 1417
   set max_y 1417
   set dp 10
@@ -704,12 +718,12 @@
     }
     for {set x 0} {$x <= $max_x} {set x [expr $x+$step]} {
        set oid [$w create line $x 0 $x $max_y -width 1 \
-            -stipple @./bitmaps/grey.05 ]
+            -stipple @[file join $sdsmlib bitmaps grey.05] ]
        $w addtag grid_tag withtag $oid
     }
     for {set y 0} {$y <= $max_y} {set y [expr $y+$step]} {
        set oid [$w create line 0 $y $max_x $y -width 1 \
-            -stipple @./bitmaps/grey.05 ]
+            -stipple @[file join $sdsmlib bitmaps grey.05] ]
        $w addtag grid_tag withtag $oid
     }
   }
diff -udr func/slice/sdsmt/equ.tcl /usr/local/lib/SimPack/func/slice/sdsmt/equ.tcl
--- func/slice/sdsmt/equ.tcl	Fri Aug 25 01:01:10 1995
+++ /usr/local/lib/SimPack/func/slice/sdsmt/equ.tcl	Mon May 19 13:16:58 1997
@@ -257,13 +257,13 @@
   }
  
 
-  if {[tk colormodel $w] == "color"} {
+#  if {[tk colormodel $w] == "color"} {
       set bold "-foreground red"
       set normal "-foreground {}"
-  } else {
-      set bold "-foreground white -background black"
-      set normal "-foreground {} -background {}"
-  }
+#  } else {
+#      set bold "-foreground white -background black"
+#      set normal "-foreground {} -background {}"
+#  }
 
   if {$complete != 1} {
     $w.t1.b insert 0.0 { Based on the flow graph, the following\
@@ -891,3 +891,4 @@
   }
   return 1
 }
+
diff -udr func/slice/sdsmt/file.tcl /usr/local/lib/SimPack/func/slice/sdsmt/file.tcl
--- func/slice/sdsmt/file.tcl	Fri Aug 25 01:01:10 1995
+++ /usr/local/lib/SimPack/func/slice/sdsmt/file.tcl	Mon May 19 13:16:58 1997
@@ -464,10 +464,10 @@
 proc FSBoxBindSelectOne { fsBoxW fsBoxY} {
 
   set fsBoxNearest [$fsBoxW nearest $fsBoxY]
-  if {$fsBoxNearest >= 0} {
-    $fsBoxW select from $fsBoxNearest
-    $fsBoxW select to $fsBoxNearest
-  }
+#  if {$fsBoxNearest >= 0} {
+#    $fsBoxW select from $fsBoxNearest
+#    $fsBoxW select to $fsBoxNearest
+#  }
 }
 
 
diff -udr func/slice/sdsmt/help.tcl /usr/local/lib/SimPack/func/slice/sdsmt/help.tcl
--- func/slice/sdsmt/help.tcl	Fri Aug 25 01:01:02 1995
+++ /usr/local/lib/SimPack/func/slice/sdsmt/help.tcl	Mon May 19 13:16:58 1997
@@ -15,7 +15,7 @@
     $w.t tag configure bold -font -Adobe-Courier-Bold-O-Normal-*-120-*
     $w.t tag configure big -font -Adobe-Courier-Bold-R-Normal-*-140-*
     $w.t tag configure verybig -font -Adobe-Helvetica-Bold-R-Normal-*-240-*
-    if {[tk colormodel $w] == "color"} {
+#    if {[tk colormodel $w] == "color"} {
         $w.t tag configure color1 -background #eed5b7
         $w.t tag configure color2 -foreground red
         $w.t tag configure color3 -foreground blue
@@ -23,14 +23,14 @@
                 -borderwidth 1
         $w.t tag configure sunken -background #eed5b7 -relief sunken \
                 -borderwidth 1
-    } else {
-        $w.t tag configure color1 -background black -foreground white
-        $w.t tag configure color2 -background black -foreground white
-        $w.t tag configure raised -background white -relief raised \
-                -borderwidth 1
-        $w.t tag configure sunken -background white -relief sunken \
-                -borderwidth 1
-    }
+#    } else {
+#        $w.t tag configure color1 -background black -foreground white
+#        $w.t tag configure color2 -background black -foreground white
+#        $w.t tag configure raised -background white -relief raised \
+#                -borderwidth 1
+#        $w.t tag configure sunken -background white -relief sunken \
+#                -borderwidth 1
+#    }
     $w.t tag configure bgstipple -background black -borderwidth 0 \
             -bgstipple gray25
     $w.t tag configure fgstipple -fgstipple gray50
@@ -140,7 +140,7 @@
     $w1.t tag configure bold -font -Adobe-Courier-Bold-O-Normal-*-120-*
     $w1.t tag configure big -font -Adobe-Courier-Bold-R-Normal-*-140-*
     $w1.t tag configure verybig -font -Adobe-Helvetica-Bold-R-Normal-*-240-*
-    if {[tk colormodel $w1] == "color"} {
+#    if {[tk colormodel $w1] == "color"} {
         $w1.t tag configure color1 -background #eed5b7
         $w1.t tag configure color2 -foreground red
         $w1.t tag configure color3 -foreground blue
@@ -148,14 +148,14 @@
                 -borderwidth 1
         $w1.t tag configure sunken -background #eed5b7 -relief sunken \
                 -borderwidth 1
-    } else {
-        $w1.t tag configure color1 -background black -foreground white
-        $w1.t tag configure color2 -background black -foreground white
-        $w1.t tag configure raised -background white -relief raised \
-                -borderwidth 1
-        $w1.t tag configure sunken -background white -relief sunken \
-                -borderwidth 1
-    }
+#    } else {
+#        $w1.t tag configure color1 -background black -foreground white
+#        $w1.t tag configure color2 -background black -foreground white
+#        $w1.t tag configure raised -background white -relief raised \
+#                -borderwidth 1
+#        $w1.t tag configure sunken -background white -relief sunken \
+#                -borderwidth 1
+#    }
     $w1.t tag configure bgstipple -background black -borderwidth 0 \
             -bgstipple gray25
     $w1.t tag configure fgstipple -fgstipple gray50
@@ -326,21 +326,21 @@
     $w.t tag configure bold -font -Adobe-Courier-Bold-O-Normal-*-120-*
     $w.t tag configure big -font -Adobe-Courier-Bold-R-Normal-*-140-*
     $w.t tag configure verybig -font -Adobe-Helvetica-Bold-R-Normal-*-240-*
-    if {[tk colormodel $w] == "color"} {
+#    if {[tk colormodel $w] == "color"} {
         $w.t tag configure color1 -background #eed5b7
         $w.t tag configure color2 -foreground red
         $w.t tag configure raised -background #eed5b7 -relief raised \
                 -borderwidth 1
         $w.t tag configure sunken -background #eed5b7 -relief sunken \
                 -borderwidth 1
-    } else {
-        $w.t tag configure color1 -background black -foreground white
-        $w.t tag configure color2 -background black -foreground white
-        $w.t tag configure raised -background white -relief raised \
-                -borderwidth 1
-        $w.t tag configure sunken -background white -relief sunken \
-                -borderwidth 1
-    }
+#    } else {
+#        $w.t tag configure color1 -background black -foreground white
+#        $w.t tag configure color2 -background black -foreground white
+#        $w.t tag configure raised -background white -relief raised \
+#                -borderwidth 1
+#        $w.t tag configure sunken -background white -relief sunken \
+#                -borderwidth 1
+#    }
     $w.t tag configure bgstipple -background black -borderwidth 0 \
             -bgstipple gray25
     $w.t tag configure fgstipple -fgstipple gray50
@@ -414,7 +414,7 @@
     $w1.t tag configure bold -font -Adobe-Courier-Bold-O-Normal-*-120-*
     $w1.t tag configure big -font -Adobe-Courier-Bold-R-Normal-*-140-*
     $w1.t tag configure verybig -font -Adobe-Helvetica-Bold-R-Normal-*-240-*
-    if {[tk colormodel $w1] == "color"} {
+#    if {[tk colormodel $w1] == "color"} {
         $w1.t tag configure color1 -background #eed5b7
         $w1.t tag configure color2 -foreground red
         $w1.t tag configure color3 -foreground blue
@@ -422,14 +422,14 @@
                 -borderwidth 1
         $w1.t tag configure sunken -background #eed5b7 -relief sunken \
                 -borderwidth 1
-    } else {
-        $w1.t tag configure color1 -background black -foreground white
-        $w1.t tag configure color2 -background black -foreground white
-        $w1.t tag configure raised -background white -relief raised \
-                -borderwidth 1
-        $w1.t tag configure sunken -background white -relief sunken \
-                -borderwidth 1
-    }
+#    } else {
+#        $w1.t tag configure color1 -background black -foreground white
+#        $w1.t tag configure color2 -background black -foreground white
+#        $w1.t tag configure raised -background white -relief raised \
+#                -borderwidth 1
+#        $w1.t tag configure sunken -background white -relief sunken \
+#                -borderwidth 1
+#    }
     $w1.t tag configure bgstipple -background black -borderwidth 0 \
             -bgstipple gray25
     $w1.t tag configure fgstipple -fgstipple gray50
@@ -508,6 +508,9 @@
   bind $w1 <Any-Enter> "focus $w1.t"
 
 
+}
+
+proc help_about {} {
 }
 
 proc insertWithTags {w text args} {
diff -udr func/slice/sdsmt/sdsmt /usr/local/lib/SimPack/func/slice/sdsmt/sdsmt
--- func/slice/sdsmt/sdsmt	Fri Aug 25 01:01:04 1995
+++ /usr/local/lib/SimPack/func/slice/sdsmt/sdsmt	Mon May 19 13:16:58 1997
@@ -12,7 +12,9 @@
 #
 #=========================================================================
 
-set auto_path "./ $auto_path"
+global sdsmlib
+set sdsmlib $env(SDSMTLIB)
+set auto_path "$sdsmlib $auto_path"
 wm title . "System Dynamics Simulation Modeling Tools"
 wm geometry . +50+50
 
@@ -98,30 +100,34 @@
 frame .plate.right
 pack .plate.left .plate.right -side left 
 
-radiobutton .plate.left.b1 -bitmap @./XBM/level.xbm \
+radiobutton .plate.left.b1 -bitmap @[file join $sdsmlib XBM level.xbm] \
             -variable letters -command "set_level $c"
-radiobutton .plate.left.b2 -bitmap @./XBM/rate.xbm \
+radiobutton .plate.left.b2 -bitmap @[file join $sdsmlib XBM rate.xbm] \
             -variable letters -command "set_rate $c"
-radiobutton .plate.left.b3 -bitmap @./XBM/aux.xbm \
+radiobutton .plate.left.b3 -bitmap @[file join $sdsmlib XBM aux.xbm] \
             -variable letters -command "set_aux $c"
-radiobutton .plate.left.b4 -bitmap @./XBM/const.xbm \
+radiobutton .plate.left.b4 -bitmap @[file join $sdsmlib XBM const.xbm] \
             -variable letters -command "set_const $c"
-radiobutton .plate.left.b5 -bitmap @./XBM/source.xbm \
+radiobutton .plate.left.b5 -bitmap @[file join $sdsmlib XBM source.xbm] \
             -variable letters -command "set_source $c"
-radiobutton .plate.left.b6 -bitmap @./XBM/flow.xbm \
+radiobutton .plate.left.b6 -bitmap @[file join $sdsmlib XBM flow.xbm] \
             -variable letters -command "set_flow $c"
-radiobutton .plate.left.b7 -bitmap @./XBM/celink.xbm \
+radiobutton .plate.left.b7 -bitmap @[file join $sdsmlib XBM celink.xbm] \
             -variable letters -command "set_celink $c"
-radiobutton .plate.left.b8 -bitmap @./XBM/move.xbm \
+radiobutton .plate.left.b8 -bitmap @[file join $sdsmlib XBM move.xbm] \
             -variable letters -command "set_move $c"
-radiobutton .plate.left.b9 -bitmap @./XBM/delete.xbm \
+radiobutton .plate.left.b9 -bitmap @[file join $sdsmlib XBM delete.xbm] \
             -variable letters -command "set_delete $c"
-radiobutton .plate.left.b10 -bitmap @./XBM/edit.xbm \
+radiobutton .plate.left.b10 -bitmap @[file join $sdsmlib XBM edit.xbm] \
             -variable letters -command "set_edit $c"
-button .plate.left.b11 -bitmap @./XBM/undo.xbm -padx 16 -command "puts 11"
-button .plate.left.b12 -bitmap @./XBM/equ.xbm -padx 16 -command "equ_generation"
-button .plate.left.b13 -bitmap @./XBM/exec.xbm -padx 16 -command "equ_execution"
-button .plate.left.b14 -bitmap @./XBM/grid0.xbm -padx 16 -command "grid_select"
+button .plate.left.b11 -bitmap @[file join $sdsmlib XBM/undo.xbm] \
+            -padx 16 -command "puts 11"
+button .plate.left.b12 -bitmap @[file join $sdsmlib XBM equ.xbm] \
+            -padx 16 -command "equ_generation"
+button .plate.left.b13 -bitmap @[file join $sdsmlib XBM exec.xbm] \
+            -padx 16 -command "equ_execution"
+button .plate.left.b14 -bitmap @[file join $sdsmlib XBM grid0.xbm] \
+            -padx 16 -command "grid_select"
 
 pack .plate.left.b1 .plate.left.b2 .plate.left.b3 .plate.left.b4 \
 	.plate.left.b5 .plate.left.b6 .plate.left.b7 .plate.left.b8 \
@@ -130,7 +136,8 @@
 
 canvas .plate.right.board -scrollregion {0c 0c 40c 40c} \
 	 -relief raised -width 800 -height 500 \
-        -xscroll ".plate.right.hscroll set" -yscroll ".plate.right.vscroll set"
+	-xscrollcommand ".plate.right.hscroll set" \
+	-yscrollcommand ".plate.right.vscroll set"
 scrollbar .plate.right.vscroll  -relief sunken \
 	-command ".plate.right.board yview"
 scrollbar .plate.right.hscroll -orient horiz -relief sunken \