Index: mttroot/mtt/lib/examples/Dia/Mechanical-2D/StackOfSupportedBars/Support_abg.dia
==================================================================
--- mttroot/mtt/lib/examples/Dia/Mechanical-2D/StackOfSupportedBars/Support_abg.dia
+++ mttroot/mtt/lib/examples/Dia/Mechanical-2D/StackOfSupportedBars/Support_abg.dia
@@ -60,12 +60,380 @@
         <dia:attribute name="hguides"/>
         <dia:attribute name="vguides"/>
       </dia:composite>
     </dia:attribute>
   </dia:diagramdata>
+  <dia:layer name="Artwork" visible="true">
+    <dia:object type="Standard - Box" version="0" id="O0">
+      <dia:attribute name="obj_pos">
+        <dia:point val="13,20"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="12.95,19.95;29.05,22.05"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="13,20"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="16"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2"/>
+      </dia:attribute>
+      <dia:attribute name="border_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Box" version="0" id="O1">
+      <dia:attribute name="obj_pos">
+        <dia:point val="13,10"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="12.95,9.95;29.05,12.05"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="13,10"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="16"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="2"/>
+      </dia:attribute>
+      <dia:attribute name="border_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O2">
+      <dia:attribute name="obj_pos">
+        <dia:point val="17,12"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.9329,11.9329;17.0671,13.0671"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="17,12"/>
+        <dia:point val="15,13"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O3">
+      <dia:attribute name="obj_pos">
+        <dia:point val="15,13"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.95,12.95;18.05,13.05"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="15,13"/>
+        <dia:point val="18,13"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O4">
+      <dia:attribute name="obj_pos">
+        <dia:point val="18,13"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.9368,12.9368;18.0632,14.0632"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="18,13"/>
+        <dia:point val="15,14"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O5">
+      <dia:attribute name="obj_pos">
+        <dia:point val="15,14"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.95,13.95;18.05,14.05"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="15,14"/>
+        <dia:point val="18,14"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O6">
+      <dia:attribute name="obj_pos">
+        <dia:point val="15,19"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.95,18.95;18.05,19.05"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="15,19"/>
+        <dia:point val="18,19"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O7">
+      <dia:attribute name="obj_pos">
+        <dia:point val="15,18"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.95,17.95;18.05,18.05"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="15,18"/>
+        <dia:point val="18,18"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O8">
+      <dia:attribute name="obj_pos">
+        <dia:point val="15,17"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.95,16.95;18.05,17.05"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="15,17"/>
+        <dia:point val="18,17"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O9">
+      <dia:attribute name="obj_pos">
+        <dia:point val="15,16"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.95,15.95;18.05,16.05"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="15,16"/>
+        <dia:point val="18,16"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O10">
+      <dia:attribute name="obj_pos">
+        <dia:point val="15,15"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.95,14.95;18.05,15.05"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="15,15"/>
+        <dia:point val="18,15"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O11">
+      <dia:attribute name="obj_pos">
+        <dia:point val="18,18"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.9368,17.9368;18.0632,19.0632"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="18,18"/>
+        <dia:point val="15,19"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O12">
+      <dia:attribute name="obj_pos">
+        <dia:point val="18,17"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.9368,16.9368;18.0632,18.0632"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="18,17"/>
+        <dia:point val="15,18"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O13">
+      <dia:attribute name="obj_pos">
+        <dia:point val="18,16"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.9368,15.9368;18.0632,17.0632"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="18,16"/>
+        <dia:point val="15,17"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O14">
+      <dia:attribute name="obj_pos">
+        <dia:point val="18,15"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.9368,14.9368;18.0632,16.0632"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="18,15"/>
+        <dia:point val="15,16"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O15">
+      <dia:attribute name="obj_pos">
+        <dia:point val="18,14"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.9368,13.9368;18.0632,15.0632"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="18,14"/>
+        <dia:point val="15,15"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - PolyLine" version="0" id="O16">
+      <dia:attribute name="obj_pos">
+        <dia:point val="18,19"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="14.9368,18.9368;18.0632,20.0632"/>
+      </dia:attribute>
+      <dia:attribute name="poly_points">
+        <dia:point val="18,19"/>
+        <dia:point val="15,20"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Box" version="0" id="O17">
+      <dia:attribute name="obj_pos">
+        <dia:point val="25,13"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="24.95,12.95;27.05,19.05"/>
+      </dia:attribute>
+      <dia:attribute name="elem_corner">
+        <dia:point val="25,13"/>
+      </dia:attribute>
+      <dia:attribute name="elem_width">
+        <dia:real val="2"/>
+      </dia:attribute>
+      <dia:attribute name="elem_height">
+        <dia:real val="6"/>
+      </dia:attribute>
+      <dia:attribute name="border_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+      <dia:attribute name="show_background">
+        <dia:boolean val="true"/>
+      </dia:attribute>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O18">
+      <dia:attribute name="obj_pos">
+        <dia:point val="26,20"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="25.95,18.95;26.05,20.05"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="26,20"/>
+        <dia:point val="26,19"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="1" to="O17" connection="6"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Line" version="0" id="O19">
+      <dia:attribute name="obj_pos">
+        <dia:point val="26,12"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="25.95,11.95;26.05,13.05"/>
+      </dia:attribute>
+      <dia:attribute name="conn_endpoints">
+        <dia:point val="26,12"/>
+        <dia:point val="26,13"/>
+      </dia:attribute>
+      <dia:attribute name="numcp">
+        <dia:int val="1"/>
+      </dia:attribute>
+      <dia:attribute name="line_color">
+        <dia:color val="#8b6914"/>
+      </dia:attribute>
+      <dia:connections>
+        <dia:connection handle="1" to="O17" connection="1"/>
+      </dia:connections>
+    </dia:object>
+    <dia:object type="Standard - Text" version="0" id="O20">
+      <dia:attribute name="obj_pos">
+        <dia:point val="6,6"/>
+      </dia:attribute>
+      <dia:attribute name="obj_bb">
+        <dia:rectangle val="6,4.6;11.65,7"/>
+      </dia:attribute>
+      <dia:attribute name="text">
+        <dia:composite type="text">
+          <dia:attribute name="string">
+            <dia:string>#Support#</dia:string>
+          </dia:attribute>
+          <dia:attribute name="font">
+            <dia:font family="sans" style="0" name="Helvetica"/>
+          </dia:attribute>
+          <dia:attribute name="height">
+            <dia:real val="2"/>
+          </dia:attribute>
+          <dia:attribute name="pos">
+            <dia:point val="6,6"/>
+          </dia:attribute>
+          <dia:attribute name="color">
+            <dia:color val="#0000ff"/>
+          </dia:attribute>
+          <dia:attribute name="alignment">
+            <dia:enum val="0"/>
+          </dia:attribute>
+        </dia:composite>
+      </dia:attribute>
+    </dia:object>
+  </dia:layer>
   <dia:layer name="Bond Graph" visible="true">
-    <dia:object type="BondGraph - MTT port" version="0" id="O0">
+    <dia:object type="BondGraph - MTT port" version="0" id="O21">
       <dia:attribute name="obj_pos">
         <dia:point val="18.6831,25"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="18.6331,24.95;23.367,26.8571"/>
@@ -122,11 +490,11 @@
       </dia:attribute>
       <dia:attribute name="flip_vertical">
         <dia:boolean val="false"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="BondGraph - MTT port" version="0" id="O1">
+    <dia:object type="BondGraph - MTT port" version="0" id="O22">
       <dia:attribute name="obj_pos">
         <dia:point val="20,20"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="19.95,19.95;22.05,21.8571"/>
@@ -183,11 +551,11 @@
       </dia:attribute>
       <dia:attribute name="flip_vertical">
         <dia:boolean val="false"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="BondGraph - MTT port" version="0" id="O2">
+    <dia:object type="BondGraph - MTT port" version="0" id="O23">
       <dia:attribute name="obj_pos">
         <dia:point val="15,15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="14.95,14.95;17.05,16.8571"/>
@@ -244,11 +612,11 @@
       </dia:attribute>
       <dia:attribute name="flip_vertical">
         <dia:boolean val="false"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="BondGraph - MTT port" version="0" id="O3">
+    <dia:object type="BondGraph - MTT port" version="0" id="O24">
       <dia:attribute name="obj_pos">
         <dia:point val="25,15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="24.95,14.95;27.05,16.8571"/>
@@ -305,11 +673,11 @@
       </dia:attribute>
       <dia:attribute name="flip_vertical">
         <dia:boolean val="false"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="BondGraph - MTT port" version="0" id="O4">
+    <dia:object type="BondGraph - MTT port" version="0" id="O25">
       <dia:attribute name="obj_pos">
         <dia:point val="20,10"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="19.95,9.95;22.05,11.8571"/>
@@ -366,11 +734,11 @@
       </dia:attribute>
       <dia:attribute name="flip_vertical">
         <dia:boolean val="false"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="BondGraph - MTT port" version="0" id="O5">
+    <dia:object type="BondGraph - MTT port" version="0" id="O26">
       <dia:attribute name="obj_pos">
         <dia:point val="18.3393,5"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="18.2893,4.95;23.7107,6.85711"/>
@@ -427,11 +795,11 @@
       </dia:attribute>
       <dia:attribute name="flip_vertical">
         <dia:boolean val="false"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="BondGraph - MTT port" version="0" id="O6">
+    <dia:object type="BondGraph - MTT port" version="0" id="O27">
       <dia:attribute name="obj_pos">
         <dia:point val="5,15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="4.95,14.95;10.4964,16.8571"/>
@@ -488,11 +856,11 @@
       </dia:attribute>
       <dia:attribute name="flip_vertical">
         <dia:boolean val="false"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="BondGraph - MTT port" version="0" id="O7">
+    <dia:object type="BondGraph - MTT port" version="0" id="O28">
       <dia:attribute name="obj_pos">
         <dia:point val="31,15"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="30.95,14.95;37.1214,16.8571"/>
@@ -549,11 +917,11 @@
       </dia:attribute>
       <dia:attribute name="flip_vertical">
         <dia:boolean val="false"/>
       </dia:attribute>
     </dia:object>
-    <dia:object type="BondGraph - MTT bond" version="0" id="O8">
+    <dia:object type="BondGraph - MTT bond" version="0" id="O29">
       <dia:attribute name="obj_pos">
         <dia:point val="21,25.9036"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="20.9067,20.7536;22.2,25.6036"/>
@@ -591,15 +959,15 @@
       </dia:attribute>
       <dia:attribute name="show_labels">
         <dia:boolean val="true"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O0" connection="0"/>
-        <dia:connection handle="1" to="O1" connection="0"/>
+        <dia:connection handle="0" to="O21" connection="0"/>
+        <dia:connection handle="1" to="O22" connection="0"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="BondGraph - MTT bond" version="0" id="O9">
+    <dia:object type="BondGraph - MTT bond" version="0" id="O30">
       <dia:attribute name="obj_pos">
         <dia:point val="21,20.9036"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="16.2794,14.7586;21.495,20.6208"/>
@@ -637,15 +1005,15 @@
       </dia:attribute>
       <dia:attribute name="show_labels">
         <dia:boolean val="true"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O1" connection="0"/>
-        <dia:connection handle="1" to="O2" connection="0"/>
+        <dia:connection handle="0" to="O22" connection="0"/>
+        <dia:connection handle="1" to="O23" connection="0"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="BondGraph - MTT bond" version="0" id="O10">
+    <dia:object type="BondGraph - MTT bond" version="0" id="O31">
       <dia:attribute name="obj_pos">
         <dia:point val="16,15.9036"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="16.2828,11.1476;21.495,16.5986"/>
@@ -683,15 +1051,15 @@
       </dia:attribute>
       <dia:attribute name="show_labels">
         <dia:boolean val="true"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O2" connection="0"/>
-        <dia:connection handle="1" to="O4" connection="0"/>
+        <dia:connection handle="0" to="O23" connection="0"/>
+        <dia:connection handle="1" to="O25" connection="0"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="BondGraph - MTT bond" version="0" id="O11">
+    <dia:object type="BondGraph - MTT bond" version="0" id="O32">
       <dia:attribute name="obj_pos">
         <dia:point val="21,10.9036"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="20.9067,5.75355;22.2,10.6036"/>
@@ -729,15 +1097,15 @@
       </dia:attribute>
       <dia:attribute name="show_labels">
         <dia:boolean val="true"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O4" connection="0"/>
-        <dia:connection handle="1" to="O5" connection="0"/>
+        <dia:connection handle="0" to="O25" connection="0"/>
+        <dia:connection handle="1" to="O26" connection="0"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="BondGraph - MTT bond" version="0" id="O12">
+    <dia:object type="BondGraph - MTT bond" version="0" id="O33">
       <dia:attribute name="obj_pos">
         <dia:point val="21,20.9036"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="21.2828,16.1476;26.495,21.5986"/>
@@ -775,15 +1143,15 @@
       </dia:attribute>
       <dia:attribute name="show_labels">
         <dia:boolean val="true"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O1" connection="0"/>
-        <dia:connection handle="1" to="O3" connection="0"/>
+        <dia:connection handle="0" to="O22" connection="0"/>
+        <dia:connection handle="1" to="O24" connection="0"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="BondGraph - MTT bond" version="0" id="O13">
+    <dia:object type="BondGraph - MTT bond" version="0" id="O34">
       <dia:attribute name="obj_pos">
         <dia:point val="26,15.9036"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="21.2794,9.75863;26.495,15.6208"/>
@@ -821,15 +1189,15 @@
       </dia:attribute>
       <dia:attribute name="show_labels">
         <dia:boolean val="true"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O3" connection="0"/>
-        <dia:connection handle="1" to="O4" connection="0"/>
+        <dia:connection handle="0" to="O24" connection="0"/>
+        <dia:connection handle="1" to="O25" connection="0"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="BondGraph - MTT bond" version="0" id="O14">
+    <dia:object type="BondGraph - MTT bond" version="0" id="O35">
       <dia:attribute name="obj_pos">
         <dia:point val="16,15.9036"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
         <dia:rectangle val="8.11159,14.0536;15.55,16.7469"/>
@@ -867,20 +1235,20 @@
       </dia:attribute>
       <dia:attribute name="show_labels">
         <dia:boolean val="true"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O2" connection="0"/>
-        <dia:connection handle="1" to="O6" connection="0"/>
+        <dia:connection handle="0" to="O23" connection="0"/>
+        <dia:connection handle="1" to="O27" connection="0"/>
       </dia:connections>
     </dia:object>
-    <dia:object type="BondGraph - MTT bond" version="0" id="O15">
+    <dia:object type="BondGraph - MTT bond" version="0" id="O36">
       <dia:attribute name="obj_pos">
         <dia:point val="26,15.9036"/>
       </dia:attribute>
       <dia:attribute name="obj_bb">
-        <dia:rectangle val="27.5001,14.0536;30.5623,16.7536"/>
+        <dia:rectangle val="26.45,14.0536;33.6473,16.7536"/>
       </dia:attribute>
       <dia:attribute name="conn_endpoints">
         <dia:point val="26,15.9036"/>
         <dia:point val="34.0357,15.9036"/>
       </dia:attribute>
@@ -913,379 +1281,11 @@
       </dia:attribute>
       <dia:attribute name="show_labels">
         <dia:boolean val="true"/>
       </dia:attribute>
       <dia:connections>
-        <dia:connection handle="0" to="O3" connection="0"/>
-        <dia:connection handle="1" to="O7" connection="0"/>
-      </dia:connections>
-    </dia:object>
-  </dia:layer>
-  <dia:layer name="Artwork" visible="true">
-    <dia:object type="Standard - Box" version="0" id="O16">
-      <dia:attribute name="obj_pos">
-        <dia:point val="13,20"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.95,19.95;29.05,22.05"/>
-      </dia:attribute>
-      <dia:attribute name="elem_corner">
-        <dia:point val="13,20"/>
-      </dia:attribute>
-      <dia:attribute name="elem_width">
-        <dia:real val="16"/>
-      </dia:attribute>
-      <dia:attribute name="elem_height">
-        <dia:real val="2"/>
-      </dia:attribute>
-      <dia:attribute name="border_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-      <dia:attribute name="show_background">
-        <dia:boolean val="true"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - Box" version="0" id="O17">
-      <dia:attribute name="obj_pos">
-        <dia:point val="13,10"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="12.95,9.95;29.05,12.05"/>
-      </dia:attribute>
-      <dia:attribute name="elem_corner">
-        <dia:point val="13,10"/>
-      </dia:attribute>
-      <dia:attribute name="elem_width">
-        <dia:real val="16"/>
-      </dia:attribute>
-      <dia:attribute name="elem_height">
-        <dia:real val="2"/>
-      </dia:attribute>
-      <dia:attribute name="border_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-      <dia:attribute name="show_background">
-        <dia:boolean val="true"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O18">
-      <dia:attribute name="obj_pos">
-        <dia:point val="17,12"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.9329,11.9329;17.0671,13.0671"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="17,12"/>
-        <dia:point val="15,13"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O19">
-      <dia:attribute name="obj_pos">
-        <dia:point val="15,13"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.95,12.95;18.05,13.05"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="15,13"/>
-        <dia:point val="18,13"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O20">
-      <dia:attribute name="obj_pos">
-        <dia:point val="18,13"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.9368,12.9368;18.0632,14.0632"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="18,13"/>
-        <dia:point val="15,14"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O21">
-      <dia:attribute name="obj_pos">
-        <dia:point val="15,14"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.95,13.95;18.05,14.05"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="15,14"/>
-        <dia:point val="18,14"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O22">
-      <dia:attribute name="obj_pos">
-        <dia:point val="15,19"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.95,18.95;18.05,19.05"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="15,19"/>
-        <dia:point val="18,19"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O23">
-      <dia:attribute name="obj_pos">
-        <dia:point val="15,18"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.95,17.95;18.05,18.05"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="15,18"/>
-        <dia:point val="18,18"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O24">
-      <dia:attribute name="obj_pos">
-        <dia:point val="15,17"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.95,16.95;18.05,17.05"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="15,17"/>
-        <dia:point val="18,17"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O25">
-      <dia:attribute name="obj_pos">
-        <dia:point val="15,16"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.95,15.95;18.05,16.05"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="15,16"/>
-        <dia:point val="18,16"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O26">
-      <dia:attribute name="obj_pos">
-        <dia:point val="15,15"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.95,14.95;18.05,15.05"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="15,15"/>
-        <dia:point val="18,15"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O27">
-      <dia:attribute name="obj_pos">
-        <dia:point val="18,18"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.9368,17.9368;18.0632,19.0632"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="18,18"/>
-        <dia:point val="15,19"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O28">
-      <dia:attribute name="obj_pos">
-        <dia:point val="18,17"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.9368,16.9368;18.0632,18.0632"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="18,17"/>
-        <dia:point val="15,18"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O29">
-      <dia:attribute name="obj_pos">
-        <dia:point val="18,16"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.9368,15.9368;18.0632,17.0632"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="18,16"/>
-        <dia:point val="15,17"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O30">
-      <dia:attribute name="obj_pos">
-        <dia:point val="18,15"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.9368,14.9368;18.0632,16.0632"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="18,15"/>
-        <dia:point val="15,16"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O31">
-      <dia:attribute name="obj_pos">
-        <dia:point val="18,14"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.9368,13.9368;18.0632,15.0632"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="18,14"/>
-        <dia:point val="15,15"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - PolyLine" version="0" id="O32">
-      <dia:attribute name="obj_pos">
-        <dia:point val="18,19"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="14.9368,18.9368;18.0632,20.0632"/>
-      </dia:attribute>
-      <dia:attribute name="poly_points">
-        <dia:point val="18,19"/>
-        <dia:point val="15,20"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - Box" version="0" id="O33">
-      <dia:attribute name="obj_pos">
-        <dia:point val="25,13"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="24.95,12.95;27.05,19.05"/>
-      </dia:attribute>
-      <dia:attribute name="elem_corner">
-        <dia:point val="25,13"/>
-      </dia:attribute>
-      <dia:attribute name="elem_width">
-        <dia:real val="2"/>
-      </dia:attribute>
-      <dia:attribute name="elem_height">
-        <dia:real val="6"/>
-      </dia:attribute>
-      <dia:attribute name="border_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-      <dia:attribute name="show_background">
-        <dia:boolean val="true"/>
-      </dia:attribute>
-    </dia:object>
-    <dia:object type="Standard - Line" version="0" id="O34">
-      <dia:attribute name="obj_pos">
-        <dia:point val="26,20"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="25.95,18.95;26.05,20.05"/>
-      </dia:attribute>
-      <dia:attribute name="conn_endpoints">
-        <dia:point val="26,20"/>
-        <dia:point val="26,19"/>
-      </dia:attribute>
-      <dia:attribute name="numcp">
-        <dia:int val="1"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-      <dia:connections>
-        <dia:connection handle="1" to="O33" connection="6"/>
-      </dia:connections>
-    </dia:object>
-    <dia:object type="Standard - Line" version="0" id="O35">
-      <dia:attribute name="obj_pos">
-        <dia:point val="26,12"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="25.95,11.95;26.05,13.05"/>
-      </dia:attribute>
-      <dia:attribute name="conn_endpoints">
-        <dia:point val="26,12"/>
-        <dia:point val="26,13"/>
-      </dia:attribute>
-      <dia:attribute name="numcp">
-        <dia:int val="1"/>
-      </dia:attribute>
-      <dia:attribute name="line_color">
-        <dia:color val="#8b6914"/>
-      </dia:attribute>
-      <dia:connections>
-        <dia:connection handle="1" to="O33" connection="1"/>
-      </dia:connections>
-    </dia:object>
-    <dia:object type="Standard - Text" version="0" id="O36">
-      <dia:attribute name="obj_pos">
-        <dia:point val="6,6"/>
-      </dia:attribute>
-      <dia:attribute name="obj_bb">
-        <dia:rectangle val="6,4.6;11.65,7"/>
-      </dia:attribute>
-      <dia:attribute name="text">
-        <dia:composite type="text">
-          <dia:attribute name="string">
-            <dia:string>#Support#</dia:string>
-          </dia:attribute>
-          <dia:attribute name="font">
-            <dia:font family="sans" style="0" name="Helvetica"/>
-          </dia:attribute>
-          <dia:attribute name="height">
-            <dia:real val="2"/>
-          </dia:attribute>
-          <dia:attribute name="pos">
-            <dia:point val="6,6"/>
-          </dia:attribute>
-          <dia:attribute name="color">
-            <dia:color val="#0000ff"/>
-          </dia:attribute>
-          <dia:attribute name="alignment">
-            <dia:enum val="0"/>
-          </dia:attribute>
-        </dia:composite>
-      </dia:attribute>
+        <dia:connection handle="0" to="O24" connection="0"/>
+        <dia:connection handle="1" to="O28" connection="0"/>
+      </dia:connections>
     </dia:object>
   </dia:layer>
 </dia:diagram>