<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>4
<FILENAME>t3620254d.txt
<DESCRIPTION>POA
<TEXT>
                                                                    Exhibit 99.2


                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS THAT the undersigned hereby constitute and
appoint JAMES KELLY, JUSTIN NADLER, ZACHARY SNOW and KEITH WALLER and each of
them severally, as the true and lawful attorneys and agents of each of the
undersigned, with power to act with or without the others and with full power of
substitution and resubstitution, to execute in the name, place and stead of each
of the undersigned any statement or report, including any amendment to any
statement or report, required to be filed with respect to the undersigned
(whether such filing includes one or more or all of the undersigned) under
Section 13 or Section 16 of the United States Securities Exchange Act of 1934,
as amended, and any rules, regulations and requirements thereunder, including
any forms or statements required to be submitted in connection with any
electronic filing, or any statement or report, including any amendment to any
statement or report, required to be filed with respect to any of the undersigned
under any comparable laws, rules, regulations and requirements of any foreign
jurisdiction, and to file any of the same with the Securities and Exchange
Commission and any other appropriate U.S. and foreign regulatory authorities,
said attorneys and agents having full power and authority to do and perform in
the name and on behalf of any of the undersigned every act necessary to be done
in the premises as fully and as effectually as the undersigned might or could do
in person; and each of the undersigned hereby ratifies and confirms all that
said attorneys and agents shall do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has subscribed these presents as of
December 1, 2006.



                                 /s/ Daniel S. Loeb
                                 -----------------------------------------------
                                 Daniel S. Loeb



                                 THIRD POINT LLC


                                 By: /s/ Daniel S. Loeb
                                     -------------------------------------------
                                     Name:  Daniel S. Loeb
                                     Title: Chief Executive Officer



                                 THIRD POINT OFFSHORE FUND, LTD.


                                 By: /s/ Daniel S. Loeb
                                     -------------------------------------------
                                     Name:  Daniel S. Loeb
                                     Title: Director




                    [Additional signatures on following page]




<PAGE>


                                 THIRD POINT PARTNERS LP

                                 By: Third Point Advisors LLC, its General
                                     Partner

                                 By: /s/ Daniel S. Loeb
                                     -------------------------------------------
                                     Name:  Daniel S. Loeb
                                     Title: Managing Member



                                 THIRD POINT PARTNERS QUALIFIED LP

                                 By: Third Point Advisors LLC, its General
                                     Partner

                                 By: /s/ Daniel S. Loeb
                                     -------------------------------------------
                                     Name:  Daniel S. Loeb
                                     Title: Managing Member



                                 THIRD POINT ULTRA LTD.

                                 By: Third Point LLC, its Investment Manager

                                 By: /s/ Daniel S. Loeb
                                     -------------------------------------------
                                     Name:  Daniel S. Loeb
                                     Title: Chief Executive Officer



                                 LYXOR/THIRD POINT FUND LIMITED

                                 By: Third Point LLC, its Investment Manager

                                 By: /s/ Daniel S. Loeb
                                     -------------------------------------------
                                     Name:  Daniel S. Loeb
                                     Title: Chief Executive Officer





                        [Signatures to Power of Attorney]

</TEXT>
</DOCUMENT>
