delete or hide an array element in asp permanently or until the application

[xiiopao]

anyone here knows how to delete or hide an array element in asp permanently or until the application? im currently developing an application wherein once an array element matches the typed text in the textbox it should be removed from the list. what my code does is it deletes the last element and returns it when a new word is typed which is wrong. Im a newbie in asp by the way , here's my code

 <%  Dim item
                Dim words(3)
                words(0) = "hello"
                words(1) = "again"
                words(2) = "world"
                words(3) = "display"

                Session("my_words")=words 
                Dim i
                For i=LBound(words) to UBound(words) 
                Response.Write words(i) & "<br>"
                Next

                Function in_array(element, arr)
                    For i=0 to Ubound(arr)
                        If Trim (arr(i)) = Trim(element) Then
                        in_array = true 
                        Exit Function

                        Else 
                            in_array = false
                        End if 
                    Next
                End Function

                str= Request.QueryString("searchWord")


                if in_array(str,words) Then

                delete words, 0

                Else
                    Response.Write words(ubound(words)-1)
                End If

                Sub delete(ByRef ar, ByVal idx)
                    Dim i
                    Dim ub

                    ub = UBound(ar) - 1

                    For i = idx To ub
                        ar(i) = ar(i + 1)
                Next
                    ReDim Preserve my_words(ub)
                End Sub
            %>