diff --git a/slsDetectorSoftware/slsReceiver/receiver_defs.h b/slsDetectorSoftware/slsReceiver/receiver_defs.h
index 108e7f100..32cfbc2aa 100755
--- a/slsDetectorSoftware/slsReceiver/receiver_defs.h
+++ b/slsDetectorSoftware/slsReceiver/receiver_defs.h
@@ -21,6 +21,11 @@
 #define GOTTHARD_SHORT_BUFFER_SIZE			518
 #define GOTTHARD_SHORT_DATABYTES			512
 
+#define GOTTHARD_FRAME_INDEX_MASK			0xFFFFFFFF
+#define GOTTHARD_FRAME_INDEX_OFFSET			0
+
+
+
 
 
 #define MOENCH_ALIGNED_FRAME_SIZE			65536
@@ -33,6 +38,11 @@
 #define MOENCH_BYTES_IN_ONE_DIMENSION		(MOENCH_PIXELS_IN_ONE_DIMENSION*2)
 
 
+#define MOENCH_FRAME_INDEX_MASK				0xFFFFFF00
+#define MOENCH_FRAME_INDEX_OFFSET			8
+#define MOENCH_PACKET_INDEX_MASK			0xFF
+
+
 
 
 
diff --git a/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp b/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp
index 08943ff53..f854dfa0e 100644
--- a/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp
+++ b/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.cpp
@@ -66,13 +66,20 @@ slsReceiverFunctionList::slsReceiverFunctionList(detectorType det,bool moenchwit
 						pAcquisitionFinished(NULL),
 						rawDataReadyCallBack(NULL),
 						pRawDataReady(NULL),
-						withGotthard(moenchwithGotthardTest)
+						withGotthard(moenchwithGotthardTest),
+						frameIndexMask(GOTTHARD_FRAME_INDEX_MASK),
+						frameIndexOffset(GOTTHARD_FRAME_INDEX_OFFSET)
 
 {
 	if(myDetectorType == MOENCH){
 		maxFramesPerFile = MOENCH_MAX_FRAMES_PER_FILE;
 		bufferSize = MOENCH_BUFFER_SIZE;
 		packetsPerFrame = MOENCH_PACKETS_PER_FRAME;
+		if(!withGotthard){
+			frameIndexMask = MOENCH_FRAME_INDEX_MASK;
+			frameIndexOffset = MOENCH_FRAME_INDEX_OFFSET;
+		}
+
 	}
 
 	strcpy(savefilename,"");
@@ -349,7 +356,12 @@ int slsReceiverFunctionList::startListening(){
 
 				//start for each scan
 				if(startFrameIndex==-1){
-					startFrameIndex=(int)(*((int*)buffer))-packetsPerFrame;
+					if(!frameIndexOffset)
+						startFrameIndex = (int)(*((int*)buffer));
+					else
+						startFrameIndex = (((int)(*((int*)buffer))) & (frameIndexMask)) >> frameIndexOffset;
+
+					startFrameIndex -= packetsPerFrame;
 					//cout<<"startFrameIndex:"<<startFrameIndex<<endl;
 					prevframenum=startFrameIndex;
 				}
@@ -369,7 +381,7 @@ int slsReceiverFunctionList::startListening(){
 					if(fifo->isFull())
 						;//cout<<"**********************FIFO FULLLLLLLL************************"<<endl;
 					else{
-						//cout<<"read index:"<<dec<<(int)(*(int*)buffer)<<endl;
+						//cout<<"read index:"<<dec<<(int)(*(int*)buffer)<<endl;& (frameIndexMask)) >> frameIndexOffset;
 						fifo->push(buffer);
 					}
 
@@ -494,7 +506,12 @@ int slsReceiverFunctionList::startWriting(){
 			if(fifo->pop(wbuf)){
 				framesCaught++;
 				totalFramesCaught++;
-				currframenum = (int)(*((int*)wbuf));//cout<<"**************curreframenm:"<<currframenum<<endl;
+				if(!frameIndexOffset)
+					currframenum = (int)(*((int*)wbuf));
+				else
+					currframenum = (((int)(*((int*)wbuf))) & (frameIndexMask)) >> frameIndexOffset;
+				//currframenum = (int)(*((int*)wbuf));
+				//cout<<"**************curreframenm:"<<currframenum<<endl;
 
 				//write data
 				if(enableFileWrite){
diff --git a/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.h b/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.h
index b8a7fa654..44dc82fee 100644
--- a/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.h
+++ b/slsDetectorSoftware/slsReceiver/slsReceiverFunctionList.h
@@ -198,6 +198,10 @@ public:
 	 */
 	void registerWriteReceiverDataCallback(int( *userCallback)(char*, int, FILE*, void*), void *pArg) {writeReceiverData = userCallback; pwriteReceiverDataArg = pArg;};
 
+	int getFrameIndex(int index){return index & MOENCH_FRAME_INDEX_MASK}
+
+	int get
+
 private:
 
 	/** detector type */
@@ -362,6 +366,13 @@ private:
 	/**temporary variable to test moench with gotthard module*/
 	bool withGotthard;
 
+	/** frame index mask */
+	int frameIndexMask;
+
+	/** frame index offset */
+	int frameIndexOffset;
+
+
 
 
 
diff --git a/slsDetectorSoftware/slsReceiver/slsReceiver_funcs.cpp b/slsDetectorSoftware/slsReceiver/slsReceiver_funcs.cpp
index ec29aec74..9c1e9754b 100644
--- a/slsDetectorSoftware/slsReceiver/slsReceiver_funcs.cpp
+++ b/slsDetectorSoftware/slsReceiver/slsReceiver_funcs.cpp
@@ -34,13 +34,14 @@ slsReceiverFuncs::slsReceiverFuncs(int argc, char *argv[], int &success):
 		ret(OK),
 		lockStatus(0),
 		shortFrame(-1),
-		packetsPerFrame(GOTTHARD_PACKETS_PER_FRAME){
+		packetsPerFrame(GOTTHARD_PACKETS_PER_FRAME),
+		withGotthard(0){
 
 	int port_no = DEFAULT_PORTNO+2;
 	ifstream infile;
 	string sLine,sargname;
 	int iline = 0;
-	int withGotthard = 0;
+
 
 	success=OK;
 	string fname = "";
@@ -930,8 +931,6 @@ int	slsReceiverFuncs::moench_read_frame(){
 	for(i=0;i<rnel;i++)	retval[i]=0;
 	for(i=0;i<rnel;i++)	origVal[i]=0;
 
-	/*int onebuffersize = bufferSize/MOENCH_PACKETS_PER_FRAME;
-	int onedatasize = MOENCH_DATA_BYTES/MOENCH_PACKETS_PER_FRAME;*/
 
 	int index=-1;
 	int startIndex=-1;
@@ -971,35 +970,95 @@ int	slsReceiverFuncs::moench_read_frame(){
 			raw=NULL;
 		}
 
+
+		//************** default order*****************************
+		//filling up in y direction and then in x direcction
+		if(withGotthard){
+			count = 0;
 			offset = 4;
 			j=0;
-			//filling up in y direction and then in x direcction
 			for(x=0;x<(MOENCH_BYTES_IN_ONE_DIMENSION/MOENCH_BYTES_PER_ADC);x++){
 				for(y=0;y<MOENCH_PIXELS_IN_ONE_DIMENSION;y++){
 
 					memcpy((((char*)retval) +
-									y * MOENCH_BYTES_IN_ONE_DIMENSION +
-									x * MOENCH_BYTES_PER_ADC),
+							y * MOENCH_BYTES_IN_ONE_DIMENSION +
+							x * MOENCH_BYTES_PER_ADC),
 							(((char*) origVal) +
 									offset +
 									j * MOENCH_BYTES_PER_ADC) ,
-							MOENCH_BYTES_PER_ADC);
+									MOENCH_BYTES_PER_ADC);
 					j++;
 					count++;
-					if(count==15){
+					if(count==16){
 						count=0;
 						offset+=6;
 					}
 
 				}
 			}
-/*
-		for(i=0;i<MOENCH_PACKETS_PER_FRAME;i=i+2){
-			memcpy((((char*)retval)+ onedatasize*i),		(((char*) origVal)+4+    			onebuffersize*i) , 	 onedatasize);
-			memcpy((((char*)retval)+ onedatasize*(i+1)), 	(((char*) origVal)+10+onedatasize+	onebuffersize*i),onedatasize);
 		}
+		//********************************************************
+
+
+		//************** packet number order**********************
+		else{
+			int numPackets = MOENCH_PACKETS_PER_FRAME; //40
+			int onePacketSize = MOENCH_DATA_BYTES / MOENCH_PACKETS_PER_FRAME; //1280*40 / 40 = 1280
+			int partsPerFrame = onePacketSize / MOENCH_BYTES_PER_ADC; // 1280 / 80 = 16
+			int origvalHeader = origVal;
+			int thisFrameNumber = (index & (MOENCH_FRAME_INDEX_MASK)) >> MOENCH_FRAME_INDEX_OFFSET;
+			cout<<"this frame number:"<<thisFrameNumber<<endl;
+			int packetIndex,x,y;
+			int iPacket = 0;
+			offset = 4;
+
+
+			while (iPacket < numPackets){
+				//read packet index
+				packetIndex = (*origvalHeader) & MOENCH_PACKET_INDEX_MASK;cout<<"packet index:"<<packetIndex<<endl;
+				//if its valid
+				if ((packetIndex < 40) || (packetIndex >= 0)){
+					x = packetIndex / 10;
+					y = packetIndex % 10;cout<<"x:"<<x<<"\t y:"<<y<<endl;
+					//copy 16 times 80 bytes
+					for (i = 0; i < partsPerFrame; i++) {
+						memcpy((((char*)retval) +
+													y * MOENCH_BYTES_IN_ONE_DIMENSION +
+													x * MOENCH_BYTES_PER_ADC),
+													(((char*) origVal) +
+															offset +
+															iPacket * onePacketSize +
+															i * MOENCH_BYTES_PER_ADC)  ,
+															MOENCH_BYTES_PER_ADC);
+						y++;
+					}
+				}else
+					cout << "cannot decode packet index:" << packetIndex << endl;
+
+				//increment
+				offset+=6;
+				origvalHeader = origvalHeader + offset + onePacketSize;
+				iPacket++;
+
+				cout <<" checking next frame number:"<<(((*origvalHeader) & (MOENCH_FRAME_INDEX_MASK)) >> MOENCH_FRAME_INDEX_OFFSET)<<endl;
+				//check if same frame number
+				while ((((*origvalHeader) & (MOENCH_FRAME_INDEX_MASK)) >> MOENCH_FRAME_INDEX_OFFSET) != thisFrameNumber){cout<<"did not match"<<endl;
+					if(iPacket >= numPackets)
+						break;
+					//increment
+					offset+=6;
+					origvalHeader = origvalHeader + offset + onePacketSize;
+					iPacket++;
+				}
+				cout<<"found or exited"<<endl;
+			}
+cout<<"exited loop"<<endl;
+		}
+		//********************************************************
+
+
+
 
-*/
 		arg=((index - startIndex)/MOENCH_PACKETS_PER_FRAME)-1;
 #ifdef VERBOSE
 		cout << "\nstartIndex:" << startIndex << endl;
@@ -1029,10 +1088,10 @@ int	slsReceiverFuncs::moench_read_frame(){
 	}
 	//return ok/fail
 
-    ///ADDED BY ANNA?!?!?!?   //?????????FOR GOTTHARD AS WELL?????
+	///ADDED BY ANNA?!?!?!?   //?????????FOR GOTTHARD AS WELL?????
 
 	delete [] origVal;
- 	delete [] retval;
+	delete [] retval;
 
 
 	return ret;
diff --git a/slsDetectorSoftware/slsReceiver/slsReceiver_funcs.h b/slsDetectorSoftware/slsReceiver/slsReceiver_funcs.h
index cf4a7cf8b..d5ba684e7 100644
--- a/slsDetectorSoftware/slsReceiver/slsReceiver_funcs.h
+++ b/slsDetectorSoftware/slsReceiver/slsReceiver_funcs.h
@@ -198,6 +198,9 @@ public:
 	/** Packets per frame */
 	int packetsPerFrame;
 
+	/** temporary variable to debug moench receiver with gotthard module */
+	int withGotthard;
+
 	static int file_des;
 	static int socketDescriptor;