Public Function Upload_FileHinh(ByVal obj As System.Web.UI.HtmlControls.HtmlInputFile, ByVal folder As String)

Dim duoi, pic, FileSize, strPath As String

Dim SlashPosition As Integer

If obj.PostedFile.FileName <> "" Then

duoi = Right(obj.PostedFile.FileName, 4)

If duoi <> ".gif" And duoi <> ".jpg" And duoi <> ".swf" Then

Return "false"

Else

SlashPosition = InStrRev(obj.PostedFile.FileName, "\")

pic = Right(obj.PostedFile.FileName, Len(obj.PostedFile.FileName) - SlashPosition)

FileSize = obj.PostedFile.ContentLength

strPath = Server.MapPath(folder & "/")

Try

obj.PostedFile.SaveAs(strPath & pic)

Return "true"

Catch

Return "false"

End Try

End If

End If

End Function

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Sub AlertMsgScript(ByVal strmsg As String, ByVal namescript As String)

Dim strEmpty As String

strEmpty = "<script>"

strEmpty = strEmpty & " alert('" & strmsg & "');"

strEmpty = strEmpty & "<" & "/script>"

Page.RegisterStartupScript(namescript, strEmpty)

Return

End Sub