--- a/graph.php
+++ b/graph.php
@@ -1,21 +1,51 @@
 <?php
 include_once('include/common.inc.php');
 //include_header();
-?>
-<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
-<script src="lib/springy/springy.js"></script>
-<script src="lib/springy/springyui.js"></script>
-<script>
-    var graph = new Graph();
-    var nodes = [];
-<?php
+$format = "html";
+if (isset($_REQUEST['format'])) {
+    $format = $_REQUEST['format'];
+}
+
+function add_node($id, $label) {
+    global $format;
+    if ($format == "html") {
+        echo "nodes[\"$id\"] = graph.newNode({label: \"$label\"});" . PHP_EOL;
+    }
+     if ($format == "dot" && $label != "") {
+         echo "$id [label=\"$label\"];". PHP_EOL;
+     }
+}
+
+function add_edge($from, $to, $color) {
+    global $format;
+    if ($format == "html") {
+        echo "graph.newEdge(nodes[\"$from\"], nodes['$to'], {color: '$color'});" . PHP_EOL;
+    }
+    if ($format == "dot") {
+        echo "$from -> $to ".($color != ""? "[color=$color]":"").";". PHP_EOL;
+    }
+}
+
+if ($format == "html") {
+    ?>
+    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
+    <script src="lib/springy/springy.js"></script>
+    <script src="lib/springy/springyui.js"></script>
+    <script>
+        var graph = new Graph();
+        var nodes = [];
+    <?php
+}
+if ($format == "dot") {
+    echo 'digraph g {'. PHP_EOL;
+}
 $db = $server->get_db('disclosr-agencies');
-echo "nodes[\"fedg\"] = graph.newNode({label: \"Federal Government - Commonwealth of Australia\"});" . PHP_EOL;
+ add_node("fedg","Federal Government - Commonwealth of Australia");
 try {
     $rows = $db->get_view("app", "byCanonicalName", null, true)->rows;
-    //print_r($rows);
+//print_r($rows);
     foreach ($rows as $row) {
-        echo "nodes[\"{$row->id}\"] = graph.newNode({label: \"{$row->key}\"});" . PHP_EOL;
+        add_node($row->id, $row->key);
     }
 } catch (SetteeRestClientException $e) {
     setteErrorHandler($e);
@@ -23,9 +53,9 @@
 
 try {
     $rows = $db->get_view("app", "byDeptStateName", null, true)->rows;
-    //print_r($rows);
+//print_r($rows);
     foreach ($rows as $row) {
-        echo "graph.newEdge(nodes[\"fedg\"], nodes['{$row->value}'], {color: '#00A0B0'});" . PHP_EOL;
+        add_edge("fedg", $row->value, 'yellow');
     }
 } catch (SetteeRestClientException $e) {
     setteErrorHandler($e);
@@ -33,25 +63,30 @@
 
 try {
     $rows = $db->get_view("app", "parentOrgs", null, true)->rows;
-    //   print_r($rows);
+//   print_r($rows);
     foreach ($rows as $row) {
-        echo "graph.newEdge(nodes[\"{$row->key}\"], nodes['{$row->value}'], {color: '#FFA0B0'});" . PHP_EOL;
+        add_edge($row->key, $row->value, 'blue');
     }
 } catch (SetteeRestClientException $e) {
     setteErrorHandler($e);
 }
-?>
-    window.onload = function() {
-        $(document).ready(function() {
-            var springy = $('#springydemo').springy({
-                graph: graph
+if ($format == "html") {
+    ?>
+        window.onload = function() {
+            $(document).ready(function() {
+                var springy = $('#springydemo').springy({
+                    graph: graph
+                });
             });
-        });
-    };
-</script>
+        };
+    </script>
 
-<canvas id="springydemo" width="1260" height="680" />
-<?php
+    <canvas id="springydemo" width="1260" height="680" />
+    <?php
+}
+if ($format == "dot") {
+    echo "}";
+}
 //include_footer();
 ?>