                                                                   Exhibit 99.2

                                POWER OF ATTORNEY


     KNOW ALL MEN BY THESE PRESENTS THAT the undersigned hereby constitute and
appoint JAMES P. GALLAGHER, WILLIAM SONG, JOSHUA L. TARGOFF and BRUCE WILSON 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 statements, reports or filings with respect
to the undersigned (whether such filing includes one or more or all of the
undersigned) necessary or advisable in connection with any disclosure
requirement promulgated under the federal or state securities laws of the United
States or any other applicable regulatory body, including, without limitation,
the Company's compliance with the Securities Exchange Act of 1934, as amended,
and the rules and regulations promulgated thereunder (including, without
limitation, any filings on Schedule 13D, Schedule 13G, Form 3, Form 4, Form 5
and Form 13F and any forms or statements required to be submitted in connection
with any electronic filing), and any and all amendments to such statements,
reports and filings, and any disclosure requirement promulgated under the
securities laws or any similar laws or regulations of any jurisdiction whether
inside or outside of the United States, and all amendments to such statements,
reports and filings, and to file the same, with all exhibits thereto, and all
other documents in connection therewith, with the United States Securities and
Exchange Commission or any other applicable regulatory body, 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
January 5, 2009.



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



                              THIRD POINT LLC


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



<PAGE>


                              THIRD POINT OFFSHORE FUND, LTD.


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



                              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



                              THIRD POINT OFFSHORE MASTER FUND, L.P.
                              By:  Third Point Advisors II L.L.C.,
                                   its general partner

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



<PAGE>




                              THIRD POINT ADVISORS II L.L.C.

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

