EXHIBIT 99.906CERT

                                                                     Exhibit (b)


                           SECTION 906 CERTIFICATIONS

        In connection with this report on Form N-CSR for the Registrant as
furnished to the Securities and Exchange Commission on the date hereof (the
"Report"), the undersigned hereby certify, pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

        (1) the Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, as applicable; and

        (2) the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Registrant.

                                         By:    /s/ James D. Dondero
                                                ----------------------
                                                James D. Dondero
                                                Chief Executive Officer

                                         Date:  November 09, 2004


                                         By:    /s/ M. Jason Blackburn
                                                ----------------------
                                                M. Jason Blackburn
                                                Chief Financial Officer

                                         Date:  November 09, 2004


THIS CERTIFICATE IS FURNISHED PURSUANT TO THE REQUIREMENTS OF FORM N-CSR AND
SHALL NOT BE DEEMED "FILED" FOR PURPOSES OF SECTION 18 OF THE SECURITIES
EXCHANGE ACT OF 1934, OR OTHERWISE SUBJECT TO THE LIABILITY OF THAT SECTION, AND
SHALL NOT BE DEEMED TO BE INCORPORATED BY REFERENCE INTO ANY FILING UNDER THE
SECURITIES ACT OF 1933 OR THE EXCHANGE ACT OF 1934.

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