My PostData command doesn't work

I want to automatically log a user onto our web site and enter their name and password for them. The VB6 code below will navigate to the website if I make the last line of this sample code as:
WB1.Navigate URL, flags, targetframe

Unfortunately, when I include the Postdata in the Navigate line it won't enter their username and password onto the website.
What am I doing wrong with the PostData command (or any other bad things I've done in the code)? Thanks for any help with this one.


Dim URL As String
Dim flags As Long
Dim targetframe As String
Dim PostData() As Byte
Dim headers As String
Dim cPW As String
Dim cname As String
Dim myPW As String
Dim myname As String
Dim cseparator As String * 1
cseparator = "&"
headers = "Content-Type: application/x-www-form-urlencoded" & vbCrLf
cname = "userID" 'website name of Name field
cPW = "password" 'website name of PW field
myname = "WA000003" ‘login name
myPW = "audit” ‘login password
URL = http://208.25.210.72/webagentaccessdemo/WebAgent.htm

PostData = cname & "=" & myname & cseparator & cPW & "=" & myPW
flags = 0
targetframe = ""
PostData = StrConv(PostData, vbFromUnicode)
WB1.Height = Me.ScaleHeight
WB1.Width = Me.ScaleWidth
WB1.Left = 0
WB1.Navigate URL, flags, targetframe, PostData, headers

What do you mean by "doesn't work"?? Does it give you an error or anything?

Thanks for the quick response. I'm sorry but this is my first technical post and I forgot to give the error message.

In the last line of my code above, the Navigate command, if I remove everything after Targetframe, the browser successfully goes to the correct web site.
If I put back in , PostData, headers
at the end of the Navigate command, it gives me the screen:
This page cannot be displayed because the page address is incorrect.
HTTP 405 - resource not allowed.

Does anyone have a clue on this one? It sure seems like it should work OK, but it doesn't. Is there any alternative approach you'd suggest?