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                                                                    EXHIBIT 23.1

                   CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the use in this
registration statement of our reports dated January 12, 2000, included herein
and to all references to our Firm included in this registration statement.



                                                       /s/ ARTHUR ANDERSEN LLP
                                                       -----------------------
                                                       ARTHUR ANDERSEN LLP

Houston, Texas
January 14, 2000