void pause(int H1,int H2){
  h1=H1;
  h2=H2;
  if (kicker != null) {
    repaint();
  }
  try {
    Thread.sleep(20);
  }
 catch (  InterruptedException e) {
  }
}

void pause ( int H1 , int H2 ) { h1 = H1 ; h2 = H2 ; if ( kicker != null ) { repaint ( ) ; } try { Thread . sleep ( 20 ) ; } catch ( InterruptedException e ) { } }
pause a while , and draw the low & high water marks .
