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EXHIBIT 23.1
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
As independent public accountants, we hereby consent to the incorporation by
reference in this Form 8-K of our report dated January 14, 2000 (except with
respect to the matters discussed in the second paragraph of Note 8 and Note 13,
as to which the dates are February 17, 2000 and March 12, 2000, respectively)
included in Registration Statement File No. 000-28030. It should be noted that
we have not audited any financial statements of the company subsequent to
December 31, 1999, or performed any audit procedures subsequent to the date of
our report.
Dallas, Texas
June 1, 2000
