// Keys
  
     maxKey = 36;
     keyNotFound = maxKey-1;
     keyword = new Array(maxKey);
  
          function key(key,idx,end){
             this.key = key;                                       // phrase to match
              this.idx = idx;                                       // first response to use
              this.end = end;                                       // last response to use
              this.last = end;                                                                // response used last time
            }
          maxrespnses =116;
     response = new Array(maxrespnses);
  
          maxConj = 19;
          max2ndConj = 7;
     var conj1 = new Array(maxConj);
     var conj2 = new Array(maxConj);
     var conj3 = new Array(max2ndConj);
     var conj4 = new Array(max2ndConj);