diff --git a/Configuration.h b/Configuration.h
index 72a5d58..d1dd347 100644
--- a/Configuration.h
+++ b/Configuration.h
@@ -67,13 +67,13 @@ enum Compatibility
 
 #define DEFAULT_PASSWORD "reprap"
 #define DEFAULT_NAME "My RepRap 1"
-
-/* Z PROBE CALIBRATION
- * Set = 1 to enable Z probe ADC output on SerialUSb
- */
-#define	CALIB_Z		0
+#define INDEX_PAGE "reprap.htm"
+#define MESSAGE_FILE "messages.txt"
+#define FOUR04_FILE "html404.htm"
 
 #define LONG_TIME 300.0 // Seconds
 
+#define EOF_STRING "<!-- **EoF** -->"
+
 
 #endif
diff --git a/Data/.~lock.duet-testing.doc# b/Data/.~lock.duet-testing.doc#
deleted file mode 100644
index a5f5040..0000000
--- a/Data/.~lock.duet-testing.doc#
+++ /dev/null
@@ -1 +0,0 @@
-Adrian Bowyer,ensab,Charles,20.11.2013 18:47,file:///home/ensab/.config/libreoffice/3;
\ No newline at end of file
diff --git a/Data/duet-testing.doc b/Data/duet-testing.doc
index 4adadb0..df15e49 100644
Binary files a/Data/duet-testing.doc and b/Data/duet-testing.doc differ
diff --git a/GCodes.cpp b/GCodes.cpp
index ea28902..c9d71d8 100644
--- a/GCodes.cpp
+++ b/GCodes.cpp
@@ -61,6 +61,9 @@ void GCodes::Init()
   fileToPrint = NULL;
   fileBeingWritten = NULL;
   configFile = NULL;
+  eofString = EOF_STRING;
+  eofStringCounter = 0;
+  eofStringLength = strlen(eofString);
   homeX = false;
   homeY = false;
   homeZ = false;
@@ -114,16 +117,17 @@ void GCodes::Spin()
     fileGCode->SetFinished(ActOnGcode(fileGCode));
     platform->ClassReport("GCodes", longWait);
     return;
-  }  
+  }
 
   // Now check if a G Code byte is available from each of the sources
   // in the same order for the same reason.
 
   if(webserver->GCodeAvailable())
   {
-	  if(webGCode->Put(webserver->ReadGCode()))
+	  b = webserver->ReadGCode();
+	  if(webGCode->Put(b))
 	  {
-		  if(webGCode->WritingFile())
+		  if(webGCode->WritingFileDirectory())
 			  WriteGCodeToFile(webGCode);
 		  else
 			  webGCode->SetFinished(ActOnGcode(webGCode));
@@ -132,19 +136,36 @@ void GCodes::Spin()
 	  return;
   }
   
-  if(platform->GetLine()->Status() & byteAvailable)
+  // Now the serial interface.  First check the special case of our
+  // uploading the reprap.htm file
+
+  if(serialGCode->WritingFileDirectory() == platform->GetWebDir())
   {
-	platform->GetLine()->Read(b);
-    if(serialGCode->Put(b))
-    {
-      if(serialGCode->WritingFile())
-    	  WriteGCodeToFile(serialGCode);
-      else
-    	  serialGCode->SetFinished(ActOnGcode(serialGCode));
-    }
-    platform->ClassReport("GCodes", longWait);
-    return;
-  }  
+	  if(platform->GetLine()->Status() & byteAvailable)
+	  {
+		  platform->GetLine()->Read(b);
+		  WriteHTMLToFile(b, serialGCode);
+	  }
+  } else
+  {
+	  // Otherwise just deal in general with incoming bytes from the serial interface
+
+	  if(platform->GetLine()->Status() & byteAvailable)
+	  {
+		  platform->GetLine()->Read(b);
+		  if(serialGCode->Put(b))
+		  {
+			  if(serialGCode->WritingFileDirectory())
+				  WriteGCodeToFile(serialGCode);
+			  else
+				  serialGCode->SetFinished(ActOnGcode(serialGCode));
+		  }
+		  platform->ClassReport("GCodes", longWait);
+		  return;
+	  }
+  }
+
+
   
   if(fileBeingPrinted != NULL)
   {
@@ -500,18 +521,47 @@ char* GCodes::GetCurrentCoordinates()
 	return scratchString;
 }
 
-char* GCodes::OpenFileToWrite(char* fileName, GCodeBuffer *gb, bool configFile)
+char* GCodes::OpenFileToWrite(char* directory, char* fileName, GCodeBuffer *gb)
 {
-	if(configFile)
-		fileBeingWritten = platform->GetFileStore(platform->GetSysDir(), fileName, true);
-	else
-		fileBeingWritten = platform->GetFileStore(platform->GetGCodeDir(), fileName, true);
+	fileBeingWritten = platform->GetFileStore(directory, fileName, true);
 	if(fileBeingWritten == NULL)
 		  platform->Message(HOST_MESSAGE, "Can't open GCode file for writing.\n");
 	else
-		gb->SetWritingFile(true);
+		gb->SetWritingFileDirectory(directory);
+
+	eofStringCounter = 0;
 }
 
+void GCodes::WriteHTMLToFile(char b, GCodeBuffer *gb)
+{
+	char reply[1];
+	reply[0] = 0;
+
+	if(fileBeingWritten == NULL)
+	{
+		platform->Message(HOST_MESSAGE, "Attempt to write to a null file.\n");
+		return;
+	}
+
+	fileBeingWritten->Write(b);
+
+	if(b == eofString[eofStringCounter])
+	{
+		eofStringCounter++;
+		if(eofStringCounter >= eofStringLength)
+		{
+			fileBeingWritten->Close();
+			fileBeingWritten = NULL;
+			gb->SetWritingFileDirectory(NULL);
+			char* r = reply;
+			if(platform->Emulating() == marlin)
+				r = "Done saving file.";
+			HandleReply(false, gb == serialGCode , r, 'M', 560, false);
+			return;
+		}
+	} else
+		eofStringCounter = 0;
+}
 
 void GCodes::WriteGCodeToFile(GCodeBuffer *gb)
 {
@@ -532,7 +582,7 @@ void GCodes::WriteGCodeToFile(GCodeBuffer *gb)
 		{
 			fileBeingWritten->Close();
 			fileBeingWritten = NULL;
-			gb->SetWritingFile(false);
+			gb->SetWritingFileDirectory(NULL);
 			char* r = reply;
 			if(platform->Emulating() == marlin)
 				r = "Done saving file.";
@@ -1033,7 +1083,7 @@ bool GCodes::ActOnGcode(GCodeBuffer *gb)
 
     case 28: // Write to file
     	str = gb->GetUnprecedentedString();
-    	OpenFileToWrite(str, gb, false);
+    	OpenFileToWrite(platform->GetGCodeDir(), str, gb);
     	snprintf(reply, STRING_LENGTH, "Writing to file: %s", str);
     	break;
 
@@ -1296,10 +1346,16 @@ bool GCodes::ActOnGcode(GCodeBuffer *gb)
 
     case 559: // Upload config.g
        	str = platform->GetConfigFile();
-        OpenFileToWrite(str, gb, true);
+        OpenFileToWrite(platform->GetSysDir(), str, gb);
         snprintf(reply, STRING_LENGTH, "Writing to file: %s", str);
     	break;
 
+    case 560: // Upload reprap.htm
+         str = INDEX_PAGE;
+         OpenFileToWrite(platform->GetWebDir(), str, gb);
+         snprintf(reply, STRING_LENGTH, "Writing to file: %s", str);
+     	break;
+
     case 906: // Set Motor currents
     	for(uint8_t i = 0; i < DRIVES; i++)
     	{
@@ -1376,7 +1432,7 @@ GCodeBuffer::GCodeBuffer(Platform* p, char* id)
 { 
   platform = p;
   identity = id;
-  writingFile = false;  // Has to be done here as Init() is called every line.
+  writingFileDirectory = NULL;  // Has to be done here as Init() is called every line.
 }
 
 void GCodeBuffer::Init()
diff --git a/GCodes.h b/GCodes.h
index 8c3c881..e921371 100644
--- a/GCodes.h
+++ b/GCodes.h
@@ -43,8 +43,8 @@ class GCodeBuffer
     char* Buffer();
     bool Finished();
     void SetFinished(bool f);
-    bool WritingFile();
-    void SetWritingFile(bool wf);
+    char* WritingFileDirectory();
+    void SetWritingFileDirectory(char* wfd);
     
   private:
     int CheckSum();
@@ -55,7 +55,7 @@ class GCodeBuffer
     int readPointer;
     bool inComment;
     bool finished;
-    bool writingFile;
+    char* writingFileDirectory;
 };
 
 //****************************************************************************************************
@@ -98,9 +98,10 @@ class GCodes
     bool StandbyHeaters();
     void SetEthernetAddress(GCodeBuffer *gb, int mCode);
     void HandleReply(bool error, bool fromLine, char* reply, char gMOrT, int code, bool resend);
-    char* OpenFileToWrite(char* fileName, GCodeBuffer *gb, bool configFile);
+    char* OpenFileToWrite(char* directory, char* fileName, GCodeBuffer *gb);
     void WriteGCodeToFile(GCodeBuffer *gb);
     bool SendConfigToLine();
+    void WriteHTMLToFile(char b, GCodeBuffer *gb);
 
     int8_t Heater(int8_t head);
     Platform* platform;
@@ -127,6 +128,9 @@ class GCodes
     FileStore* fileToPrint;
     FileStore* fileBeingWritten;
     FileStore* configFile;
+    char* eofString;
+    uint8_t eofStringCounter;
+    uint8_t eofStringLength;
     int8_t selectedHead;
     bool homeX;
     bool homeY;
@@ -165,14 +169,14 @@ inline void GCodeBuffer::SetFinished(bool f)
   finished = f;
 }
 
-inline bool GCodeBuffer::WritingFile()
+inline char* GCodeBuffer::WritingFileDirectory()
 {
-	return writingFile;
+	return writingFileDirectory;
 }
 
-inline void GCodeBuffer::SetWritingFile(bool wf)
+inline void GCodeBuffer::SetWritingFileDirectory(char* wfd)
 {
-	writingFile = wf;
+	writingFileDirectory = wfd;
 }
 
 inline bool GCodes::PrintingAFile()
diff --git a/Release/RepRapFirmware.bin b/Release/RepRapFirmware.bin
index b1cb6ef..be31f4c 100755
Binary files a/Release/RepRapFirmware.bin and b/Release/RepRapFirmware.bin differ
diff --git a/SD-image/www/reprap.htm b/SD-image/www/reprap.htm
index 98f72db..cf42515 100644
--- a/SD-image/www/reprap.htm
+++ b/SD-image/www/reprap.htm
@@ -777,3 +777,4 @@ poll();
 
 
 </html>
+<!-- **EoF** -->
diff --git a/Webserver.h b/Webserver.h
index e5429a9..8876b6f 100644
--- a/Webserver.h
+++ b/Webserver.h
@@ -31,9 +31,6 @@ Licence: GPL
 #define WEBSERVER_H
 
 
-#define INDEX_PAGE "reprap.htm"
-#define MESSAGE_FILE "messages.txt"
-#define FOUR04_FILE "html404.htm"
 #define KO_START "rr_"
 #define KO_FIRST 3
 #define POST_LENGTH 200