//
             // format date as dd-mmm-yyyy
             // example: 12-Jan-1998
             //
             function date_ddmmmyyyy(date)
             {
               var d = date.getDate();
               var m = date.getMonth() + 1;
               var y = date.getYear();

               // could use splitString() here 
               // but the following method is 
               // more compatible
               var mmm = 
                 ( 1==m)?'Jan':( 2==m)?'Feb':(3==m)?'Mar':
                 ( 4==m)?'Apr':( 5==m)?'May':(6==m)?'Jun':
                 ( 7==m)?'Jul':( 8==m)?'Aug':(9==m)?'Sep':
                 (10==m)?'Oct':(10==m)?'Nov':'Dec';

               return "" +
                 (d<10?"0"+d:d) + "-" +
                 mmm + "-" +
                 (y<1000?1900+y:y);
             }


             //
             // get last modified date of the 
             // current document.
             //
             function date_lastmodified()
             {
               var lmd = document.lastModified;
               var s   = "Unknown";
               var d1;

               // check if we have a valid date
               // before proceeding
               if(0 != (d1=Date.parse(lmd)))
               {
                 s = "" + date_ddmmmyyyy(new Date(d1));
               }

               return s;
             }