Client - Server Transfer File

ight i need some help on my Client - Server transfer code.
when i try to transfer any file from server to client i get the file with all bytes (same size as the original) but its currapted :rolleyes:
ive openned with a hex editor both files and many characters are different
heres some pics

Original File:
http://geocities.com/kyriakos_andreoy/hex_orig.PNG


Downloaded File:
http://geocities.com/kyriakos_andreoy/hex_currap.PNG


the code im using to transfer is this

Client:

Code:

---

'-------------[ Transfer Client]-------------
ElseIf Temp_Data = "FMT_Data" Then
FileData = FileData & Clean_Data

ElseIf Temp_Data = "FMT_Save" Then
Save "C:\" & Clean_Data

ElseIf Temp_Data = "FMT_Size" Then
Fsize = Clean_Data
End If

Function Save(Fname As String)
Open Fname For Binary As #1
Put #1, , FileData
Close #1

FileData = Empty
End Function

---

Server:

Code:

---

'-------------[ Transfer Server]-------------
On Error Resume Next

Dim Filename As String, DataChunk As String
DataChunk = Empty

Dim Fsys As New Scripting.FileSystemObject
Filename = Fsys.GetFile(Fname).name
Dim Size As Double
Size = 0
Server.SendData "FMT_Size" & Fsys.GetFile(Fname).Size
Pause 200

Open Fname For Binary As #1
Do While Not EOF(1)
DataChunk = Input(5120, #1)
Server.SendData "FMT_Data" & DataChunk
Size = Size + Len(DataChunk)
Pause 200
DoEvents
Loop
Close #1

Server.SendData "FMT_Save" & Filename

---

any help appreciated
thanx