$Id: asp.txt 1813 2008-04-04 04:10:51Z mjs $

HOWTO: Check whether a particular parameter exists in the query string

Request.QueryString("foo").Count == 0

HOWTO: Get self/current URL

Request.ServerVariables("URL")

HOWTO: Convert string to lower/upper case (in VBScript)

LCase() and UCase()

HOWTO: Sort (in VBScript)

You can't! You have to roll your own sort function.