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EXHIBIT 23
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS
As independent public accountants, we hereby consent to the incorporation by
reference in the Registration Statements on Form S-8 (No. 33-64805) and Form
S-3 (33-96207), as amended, of our report dated January 20, 2000, (except
with respect to certain information in Note H as to which the date is March
8, 2000 and Note N as to which the date is May 31, 2000) included in this
Form 10-K/A for the fiscal year ended December 31, 1999. 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.
/s/ ARTHUR ANDERSEN LLP
ARTHUR ANDERSEN LLP
Dallas, Texas
June 1, 2000
