code: private void jCheckBoxRelativeTimeActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_jCheckBoxRelativeTimeActionPerformed
      {//GEN-HEADEREND:event_jCheckBoxRelativeTimeActionPerformed
          parent.getGraphPanelChart().setUseRelativeTime(jCheckBoxRelativeTime.isSelected());
      }
docs: GEN-LAST:event_jRadioButtonGraphDetailedActionPerformed