diff --git a/sandbox/contributions/webcrawler-LARM/src/de/lanlab/larm/util/WebDocument.java b/sandbox/contributions/webcrawler-LARM/src/de/lanlab/larm/util/WebDocument.java
index 76201263f82..1dda43ec961 100644
--- a/sandbox/contributions/webcrawler-LARM/src/de/lanlab/larm/util/WebDocument.java
+++ b/sandbox/contributions/webcrawler-LARM/src/de/lanlab/larm/util/WebDocument.java
@@ -61,6 +61,7 @@ import java.util.Date;
 import java.util.Set;
 import de.lanlab.larm.fetcher.URLMessage;
 import de.lanlab.larm.net.HostManager;
+import de.lanlab.larm.net.*;
 
 /**
  *  a web document of whatever type. generated by a fetcher task
@@ -74,10 +75,23 @@ public class WebDocument extends URLMessage
     protected String title;
     protected Date lastModified;
     HashMap fields;
+    boolean isModified;
 
-    public  WebDocument(URL url, String mimeType, int resultCode, URL referer, int size, String title, Date lastModified, HostManager hm)
+    public WebDocument(URLMessage msg)
     {
-        super(url, referer, false, null, hm);
+        super(msg);
+        this.mimeType = "";
+        this.resultCode = -1;
+        this.size = -1;
+        this.title = "";
+        this.lastModified = new Date();
+        clearFields();
+        this.isModified = true;
+    }
+
+    public  WebDocument(URL url, String mimeType, int resultCode, URL referer, int size, String title, Date lastModified, HostResolver hm)
+    {
+        super(url, referer, URLMessage.LINKTYPE_ANCHOR, null, hm);
         this.url = url;
         this.mimeType = mimeType;
         //this.document = document;
@@ -85,7 +99,23 @@ public class WebDocument extends URLMessage
         this.size = size;
         this.title = title;
         this.lastModified = lastModified;
-        this.fields = new HashMap(7);       // expect ~4 fields
+        clearFields();
+        this.isModified = true;
+    }
+
+    public void setModified(boolean modified)
+    {
+        this.isModified = modified;
+    }
+
+    public boolean isModified()
+    {
+        return isModified;
+    }
+
+    public void clearFields()
+    {
+        this.fields = new HashMap(7);
     }
 
     public Set getFieldNames()
@@ -119,6 +149,11 @@ public class WebDocument extends URLMessage
         return lastModified;
     }
 
+    public void setLastModified(Date lastModified)
+    {
+        this.lastModified = lastModified;
+    }
+
     public String getTitle()
     {
         return title;
@@ -173,6 +208,12 @@ public class WebDocument extends URLMessage
         this.mimeType = mimeType;
     }
 
+    public void setTitle(String title)
+    {
+        this.title = title;
+    }
+
+
     public String getMimeType()
     {
         return mimeType;