diff --git a/src/de/unibremen/informatik/hets/protege/CGIImportHetsAction.java b/src/de/unibremen/informatik/hets/protege/CGIImportHetsAction.java
index da234d8..b95bc56 100644
--- a/src/de/unibremen/informatik/hets/protege/CGIImportHetsAction.java
+++ b/src/de/unibremen/informatik/hets/protege/CGIImportHetsAction.java
@@ -1,8 +1,15 @@
 package de.unibremen.informatik.hets.protege;
 
+import java.io.File;
+import java.util.Set;
+import java.util.HashSet;
+
+import javax.swing.*;
 import java.awt.event.ActionEvent;
+import java.awt.HeadlessException;
 
 import org.protege.editor.owl.ui.action.ProtegeOWLAction;
+import org.protege.editor.core.ui.util.UIUtil;
 
 public class CGIImportHetsAction extends ProtegeOWLAction {
 
@@ -18,5 +25,15 @@ public class CGIImportHetsAction extends ProtegeOWLAction {
 
 	@Override
 	public void actionPerformed(ActionEvent event) {
+        Set<String> exts = new HashSet<String>();
+        exts.add("het");
+        exts.add("owl");
+        File file = null;
+        try {
+            file = UIUtil.openFile(new JFrame(), "HetCASL", "Please select a *.het file", exts);
+        } catch (HeadlessException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        }
 	}
 }
diff --git a/src/de/unibremen/informatik/hets/protege/LocalImportHetsAction.java b/src/de/unibremen/informatik/hets/protege/LocalImportHetsAction.java
index 140eb8e..c45a8aa 100644
--- a/src/de/unibremen/informatik/hets/protege/LocalImportHetsAction.java
+++ b/src/de/unibremen/informatik/hets/protege/LocalImportHetsAction.java
@@ -1,13 +1,23 @@
 package de.unibremen.informatik.hets.protege;
 
+import javax.swing.*;
 import java.awt.event.ActionEvent;
+import java.awt.HeadlessException;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Set;
+import java.util.HashSet;
 
 import org.protege.editor.owl.ui.action.ProtegeOWLAction;
+import org.protege.editor.core.ui.util.UIUtil;
 
 public class LocalImportHetsAction extends ProtegeOWLAction {
 
 	private static final long serialVersionUID = -4056096587762591108L;
 
+    private Process process;
+
 	@Override
 	public void initialise() throws Exception {
 	}
@@ -18,5 +28,35 @@ public class LocalImportHetsAction extends ProtegeOWLAction {
 
 	@Override
 	public void actionPerformed(ActionEvent event) {
+        Set<String> exts = new HashSet<String>();
+        exts.add("het");
+        exts.add("owl");
+        File file = null;
+        try {
+            file = UIUtil.openFile(new JFrame(), "HetCASL", "Please select a *.het file", exts);
+        } catch (HeadlessException e) {
+            // TODO Auto-generated catch block
+            e.printStackTrace();
+        }
+
+
+        if(process != null) {
+            process.destroy();
+            process = null;
+        }
+
+        Runtime r = Runtime.getRuntime();
+
+        try {
+            process = r.exec("/usr/bin/hets" + " " + file.getAbsolutePath() + " -o pp.xml");
+
+            try {
+                process.waitFor();
+            } catch(InterruptedException irEx) {
+                irEx.printStackTrace();
+            }
+        } catch(IOException ioEx) {
+            ioEx.printStackTrace();
+        }
 	}
 }