getting script to run every hour

hi,

i have this script and i was wondering if there was a way to have it running every hour?

'------------------------------------------------------------------------------
Const appName = "FTP Upload Utility"
'------------------------------------------------------------------------------

Const Hostname = "myhostname"
Const Port = 21
Const Username = "myusername"
Const Password = "xxxxxxxxx"
Const RemoteDir = "/fm104"
Const strExt = "mp3"
Const LocalDir = "c:\mp3"
Const MaxAge = 10

SET objFSO = CreateObject("Scripting.FileSystemObject")

Set ObjFolder = objFSO.GetFolder(LocalDir)
FOR EACH objFile in ObjFolder.Files
  if RIGHT(UCASE(objFile.Path),LEN(strExt)+1) = "." & strExt then
    if datediff("s", objFile.DateLastModified, Now) > 40 Then
      Upload hostname, port, username, password, objFile.Name, localDir, remoteDir
      'objFile.Delete  
    End If
  End If
Next

'------------------------------------------------------------------------------

Sub Upload(hostname, port, username, password, localFile, localDir, remoteDir)
  Set shell = CreateObject( "WScript.Shell" )
  Set fso = CreateObject("Scripting.FileSystemObject")

  tempDir = shell.ExpandEnvironmentStrings("C:\temp")
  ' temporary script file supplied to Windows FTP client
  scriptFile = tempDir & "\" & fso.GetTempName
  ' temporary file to store standard output from Windows FTP client
  outputFile = tempDir & "\" & fso.GetTempName


  'input script
  script = script & "lcd " & """" & localDir & """" & vbCRLF
  script = script & "open " & hostname & " " & port & vbCRLF
  script = script & "user " & username & vbCRLF
  script = script & password & vbCRLF
  script = script & "cd " & """" & remoteDir & """" & vbCRLF
  script = script & "binary" & vbCRLF
  script = script & "prompt n" & vbCRLF
  script = script & "put " & """" & localFile & """" & vbCRLF
  script = script & "quit" & vbCRLF

  Set textFile = fso.CreateTextFile(scriptFile, True)
  textFile.WriteLine(script)
  textFile.Close
  Set textFile = Nothing

  ' bWaitOnReturn set to TRUE - indicating script should wait for the program
  ' to finish executing before continuing to the next statement
  shell.Run "%comspec% /c FTP -n -s:" & scriptFile & " > " & outputFile, 0, TRUE
  Wscript.Sleep 500
  ' open standard output temp file read only, failing if not present
   Set textFile = fso.OpenTextFile(outputFile, 1, 0, -2)
 If Not textFile.AtEndOfStream Then
    Results = textFile.ReadAll
 End If
 textFile.Close
  If InStr(results, "550") > 0 And (InStr(results, "226") or Instr(results, "221")) Then
    fso.DeleteFile(scriptFile)
    fso.DeleteFile(outputFile)
    'Msg ="WARNING: Could not change to destination directory on host!" & _
    '  vbCRLF & "File however appears to have been uploaded to default " & _
    '  "FTP directory associated with user on host."
    'MsgBox Msg, vbExclamation, appName

  ElseIf (InStr(results, "226")  or Instr(results, "221")) > 0 Then
    'MsgBox "File Uploaded Successfully.", vbInformation, appName
    fso.DeleteFile(scriptFile)
    fso.DeleteFile(outputFile)
  Else
    If InStr(results, "530") > 0 Then
      'Msg ="ERROR: Invalid Username/Password"
    ElseIf InStr(results, "550") > 0 Then
      'Msg ="ERROR: Could not change to destination directory on host"
    ElseIf InStr(results, "553") > 0 Then
      'Msg ="ERROR: Could not create file on host"
    ElseIf InStr(results, "Unknown host") > 0 Then
      'Msg ="ERROR: Unknown host"
    ElseIf InStr(results, "File not found") > 0 Then
      'Msg ="ERROR: Local File Not Found"
    Else
      'Msg ="An ERROR may have occurred."
    End If

    'Msg = Msg & _
    '  vbCRLF & "Script file leveraged: " & scriptFile & _
    '  vbCRLF & "FTP Output file: " & outputFile & _
    '  vbCRLF & _
    '  vbCRLF & "Ensure the above files are manually deleted, as they may " & _
    ' "contain sensitive information!"
    'MsgBox Msg, vbCritical, appName
  End If
  Set shell = Nothing
  Set fso = Nothing
End Sub