Voila le code qui permet de déterminé quel est le navigateur client :
Function Navigator()
Dim ls_Browser
ls_Browser = Request.ServerVariables("HTTP_USER_AGENT")
If Instr(ls_Browser, "MSIE") > 0 Then
If Instr(ls_Browser, "MSIE 5.5") > 0 Then
Navigator = "IE5.5"
ElseIf Instr(ls_Browser, "MSIE 5.0") > 0 Then
Navigator = "IE5.0"
ElseIf Instr(ls_Browser, "MSIE 4") > 0 Then
Navigator = "IE4"
Else
Navigator = "IE"
End If
Else
Navigator = "Navigator"
End If
End Function