private void pauseButtonMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pauseButtonMouseClicked
        // TODO add your handling code here:
        if(!pausedflag && jLabel4.isEnabled() == false) {
           tmr.stop();
           pausedflag = true;
        }else if(pausedflag && jLabel4.isEnabled() == false) {
            tmr.start();
            pausedflag = false;
        }
    }//GEN-LAST:event_pauseButtonMouseClicked