EXHIBIT 11



                             COMPUTATION OF SHARES
                               USED IN COMPUTING
                          DILUTED EARNINGS PER SHARE

<TABLE>
<CAPTION>
                                                       Year Ended December 31,
                                                1997            1996            1995
                                         ------------------------------------------------
<S>                                      <C>                  <C>             <C>
Diluted:                            
                                    
Weighted Average Shares Outstanding          52,009,000      50,993,000      49,348,000
Common Stock Equivalents                      1,519,000       1,053,000              --*
                                         ------------------------------------------------
                                    
Shares Used                                  53,528,000      52,046,000      49,348,000*
                                         ================================================
</TABLE> 
 
 
*  The Company reported a net loss in 1995, therefore the impact of common stock
   equivalents is anti-dilutive.