<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED JUNE 30, 1999, AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>

                                                  
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999
<PERIOD-END>                               JUN-30-1999             JUN-30-1999
<CASH>                                          39,617                  39,617
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   36,034                  36,034
<ALLOWANCES>                                     2,133                   2,133
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                81,146                  81,146
<PP&E>                                          15,802                  15,802
<DEPRECIATION>                                   7,108                   7,108
<TOTAL-ASSETS>                                 164,541                 164,541
<CURRENT-LIABILITIES>                           22,413                  22,413
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           174                     174
<OTHER-SE>                                     141,933                 141,933
<TOTAL-LIABILITY-AND-EQUITY>                   164,541                 164,541
<SALES>                                              0                       0
<TOTAL-REVENUES>                                35,222                  68,623
<CGS>                                                0                       0
<TOTAL-COSTS>                                   13,507                  26,100
<OTHER-EXPENSES>                                14,641                  28,754
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                  10                      53
<INCOME-PRETAX>                                  7,522                  14,329
<INCOME-TAX>                                     3,024                   5,615
<INCOME-CONTINUING>                              4,498                   8,714
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     4,498                   8,714
<EPS-BASIC>                                       0.26                    0.50
<EPS-DILUTED>                                     0.26                    0.49