Option Explicit
Dim wshshell,fso,i,Fnct
Dim strPath,strSystemFolder,strWinFolder,strTempFolder
'----------------------------- Objekte erzeugen --------------------------------
i = 0
On Error Resume Next
Do 
	err.Clear
	i = i+1
	Set wshshell = CreateObject("WScript.Shell")
	Set fso = CreateObject("Scripting.FileSystemObject")
	Set Fnct = CreateObject("Install.Functions")
	WScript.Sleep 1000
Loop Until Err.Number = 0 OR i > 30

If Err.Number <> 0 Then
	WScript.Quit
End If

On Error Goto 0

'--------------------------- Standardpfade -------------------------------------
strPath = GetCurrentPath()
strSystemFolder = fso.GetSpecialFolder(1) & "\"
strWinFolder = fso.GetSpecialFolder(0) & "\"
strTempFolder = fso.GetSpecialFolder(2) & "\"


'------------------------------ Main -------------------------------------------
Dim strDrive,bBreak
Do 
	strDrive = GetCDDrive()
	If Not fso.FolderExists(strDrive) Then 
		bBreak = true
	Else
		bBreak = false
	end If
Loop Until bBreak
'------------------------------- Funktionen ------------------------------------
Function GetCurrentPath()
    Dim l_strScriptName
    Dim l_strTemp

    l_strScriptName = WScript.ScriptFullName
    l_strTemp = WScript.ScriptName
    GetCurrentPath = Left(l_strScriptName, Len(l_strScriptName) - Len(l_strTemp))
End Function

Function ExpandPath(p_strEnvironment,p_strDefault)
	Dim l_strTemp
	l_strTemp = wshshell.ExpandEnvironmentStrings(p_strEnvironment)
	If l_strTemp = p_strEnvironment Then
		l_strTemp = p_strDefault
	End If
	ExpandPath = l_strTemp
End Function

Function GetCDDrive()
	Dim l_Drives
	Dim l_Drive
	Dim l_strResult
	Dim i
	Set l_Drives = fso.Drives
	i = 0
	On Error Resume Next
	For Each l_Drive in l_Drives
		If l_Drive.DriveType = 4 Then
			l_strResult = l_Drive.Path
		End If
	Next
	GetCDDrive = l_strResult & "\"
	On Error Goto 0
End Function