diff --git a/library/Businessprocess/BpNode.php b/library/Businessprocess/BpNode.php
index c0424a8..ad38936 100644
--- a/library/Businessprocess/BpNode.php
+++ b/library/Businessprocess/BpNode.php
@@ -21,6 +21,8 @@ class BpNode extends Node
 
     );
 
+    protected $className = 'process';
+
     public function __construct(
         BusinessProcess $bp,
         $object
diff --git a/library/Businessprocess/HostNode.php b/library/Businessprocess/HostNode.php
index e04212a..cc4387e 100644
--- a/library/Businessprocess/HostNode.php
+++ b/library/Businessprocess/HostNode.php
@@ -8,6 +8,8 @@ class HostNode extends Node
 {
     protected $hostname;
 
+    protected $className = 'host';
+
     public function __construct(BusinessProcess $bp, $object)
     {
         $this->name     = $object->hostname . ';Hoststatus';
diff --git a/library/Businessprocess/ImportedNode.php b/library/Businessprocess/ImportedNode.php
index fd636d5..aedcf86 100644
--- a/library/Businessprocess/ImportedNode.php
+++ b/library/Businessprocess/ImportedNode.php
@@ -14,6 +14,8 @@ class ImportedNode extends Node
 
     protected $importedNode;
 
+    protected $className = 'subtree';
+
     public function __construct(BusinessProcess $bp, $object)
     {
         $this->name       = $object->name;
diff --git a/library/Businessprocess/Node.php b/library/Businessprocess/Node.php
index 44ca343..2a039e3 100644
--- a/library/Businessprocess/Node.php
+++ b/library/Businessprocess/Node.php
@@ -93,6 +93,8 @@ abstract class Node
 
     protected $missing = false;
 
+    protected $className = 'unknown';
+
     protected static $state_names = array(
         'OK',
         'WARNING',
@@ -327,32 +329,25 @@ abstract class Node
     {
         return md5($prefix . (string) $this);
     }
-     
+
+    protected function getObjectClassName()
+    {
+        return $this->className;
+    }
+
     public function renderHtml($view, $prefix = '')
     {
         $id = $this->getId($prefix);
         $state = strtolower($this->getStateName());
         if ($this->isMissing()) $state = 'missing';
         $handled = $this->isAcknowledged() || $this->isInDowntime();
-        if ($this instanceof BpNode) {
-            $typeClass = 'process';
-        } elseif ($this instanceof HostNode) {
-            $typeClass = 'host';
-        } elseif ($this instanceof ServiceNode) {
-            $typeClass = 'service';
-        } elseif ($this instanceof ImportedNode) {
-            $typeClass = 'subtree';
-        } else {
-            // WTF?
-            var_dump($this); exit;
-        }
 
         $html = sprintf(
             '<table class="bp %s%s%s%s" id="%s"><tbody><tr>',
             $state === 'ok' ? 'ok' : 'problem ' . $state,
             $handled ? ' handled' : '',
             ($this->hasChildren() ? ' operator ' : ' node '),
-            $typeClass,
+            $this->getObjectClassName(),
             $id
         );
 
diff --git a/library/Businessprocess/ServiceNode.php b/library/Businessprocess/ServiceNode.php
index 69c859e..31e2a82 100644
--- a/library/Businessprocess/ServiceNode.php
+++ b/library/Businessprocess/ServiceNode.php
@@ -10,6 +10,8 @@ class ServiceNode extends Node
 
     protected $service;
 
+    protected $className = 'service';
+
     public function __construct(BusinessProcess $bp, $object)
     {
         $this->name = $object->hostname . ';' . $object->service;