diff --git a/NET/lhs_web_helper.pbi b/NET/lhs_web_helper.pbi
new file mode 100644
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+++ b/NET/lhs_web_helper.pbi
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+;************************
+;* Library : lhs_web_helper.pbi
+;* 
+;* The lhs_web_helper library is to build simple dynamic linked libraries for the lweb server.
+;* 
+;* Created and develobed by Linder Hard- und Software
+;*
+;*
+
+DeclareModule lhs_web_helper
+  Declare.s MapToJSONString(Map ConvertMap.s())
+  Declare.s mimetype(file.s)
+  
+  #cha_R_ResponseType         = "ResponseType"         ;Element ResponseType           :Mimetype
+  #cha_R_ResponseContentType  = "ResponseContentType"  ;Element ResponseContentType    :#response_string , #response_Memory
+  #cha_R_MemoryAdress         = "MemoryAdress"         ;Element MemoryAdress           :Converted to String
+  #cha_R_MemorySize           = "MemorySize"           ;Element MemorySize             :Converted to String
+  #cha_R_StringBase64         = "StringBase64"         ;Element StringBase64           :Base64 Encoded String
+  #cha_R_http_head_status     = "HeaderStatus"         ;200 OK 300 Error 500 Server Error usw.
+  
+  #response_string            = "response_string"
+  #response_Memory            = "response_memory"
+  
+  #error_string               = "error"
+  
+  #http_head_method           = "method:"
+  #http_head_request          = "request:"
+  #http_head_protocol         = "protocol:"
+  #http_head_query            = "query:"
+  #http_head_status           = "status:"
+  #http_head_date             = "date:"
+  #http_head_server           = "server:"
+  #http_head_content_length   = "content-length:"
+  #http_head_content_type     = "content-type:"
+  #http_head_connection       = "connection:"
+  #http_head_keep_alive       = "keep-alive:"
+  #http_head_cookie           = "cookie:"
+  #http_head_set_cookie       = "set-cookie:"
+  #http_head_redirect         = "location:"
+  
+  ;200er codes
+  #http_state_200             = "200 Ok"
+  #http_state_201             = "201 Created"
+  #http_state_202             = "202 Accepted"
+  #http_state_203             = "203 Non-Authoritative Information"
+  #http_state_204             = "204 No Content"
+  #http_state_205             = "205 Reset Content"
+  #http_state_206             = "206 Partial Content"
+  #http_state_207             = "207 Multi-Status"
+  #http_state_208             = "208 Already Reported"
+  #http_state_226             = "226 IM Used"
+  
+  ;300er codes
+  #http_state_300             = "300 Multiple Choices"
+  #http_state_301             = "301 Moved Permanently"
+  #http_state_302             = "302 Found"
+  #http_state_303             = "303 See Other"
+  #http_state_304             = "304 Not Modified"
+  #http_state_307             = "307 Temporary Redirect"
+  #http_state_308             = "308 Permanent Redirect"
+  
+  ;400er codes  
+  #http_state_400             = "400 Bad Request"
+  #http_state_401             = "401 Unauthorized"
+  #http_state_402             = "402 Payment Required"
+  #http_state_403             = "403 Forbidden"
+  #http_state_404             = "404 Not Found"
+  
+  ;500er codes  
+  #http_state_500             = "500 Internal Server Error"
+  #http_state_501             = "501 Not Implemented"
+
+EndDeclareModule
+
+Module lhs_web_helper
+  
+  Procedure.s MapToJSONString(Map ConvertMap.s())
+    Protected MyJSON
+    Protected.s Response
+    MyJSON = CreateJSON(#PB_Any)
+    If MyJSON
+      InsertJSONMap(JSONValue(MyJSON), ConvertMap())
+      Response = ComposeJSON(MyJSON)
+      FreeJSON(MyJSON)
+      ProcedureReturn Response
+    EndIf
+    ProcedureReturn #error_string
+  EndProcedure
+  
+  Procedure.s mimetype(file.s)
+    Select LCase(file)
+      Case "pdf"
+        ProcedureReturn "application/pdf"
+      Case "zip"
+        ProcedureReturn "application/zip"
+      Case "gz"
+        ProcedureReturn "application/gzip"
+      Case "doc"
+        ProcedureReturn "application/msword"
+      Case "xls"
+        ProcedureReturn "application/vnd.ms-excel"
+      Case "ppt"
+        ProcedureReturn "application/vnd.ms-powerpoint"
+      Case "png"
+        ProcedureReturn "image/png"
+      Case "gif"
+        ProcedureReturn "image/gif"
+      Case "jpg"
+        ProcedureReturn "image/jpeg"
+      Case "jpeg"
+        ProcedureReturn "image/jpeg"
+      Case "txt"
+        ProcedureReturn "text/plain"
+      Case "html"
+        ProcedureReturn "text/html"
+      Case "htm"
+        ProcedureReturn "text/html"
+      Case "mss"
+        ProcedureReturn "text/html"
+      Case "php"
+        ProcedureReturn "text/html"
+      Case "css"
+        ProcedureReturn "text/css"
+      Case "js"
+        ProcedureReturn "text/javascript"
+      Default
+        ProcedureReturn "application/octet-stream"
+    EndSelect
+  EndProcedure
+EndModule