<script type='text/javascript' language='javascript'> var check_all = false; function go_myCar(){ var myCar = document.getElementsByName('myCar_chk'); if(check_all == false) check_all = true; else check_all = false; for(k=0; k < myCar.length; k++) { myCar[k].checked = check_all; } } function car_addfunc(){ var form = document.forms['registFm1']; var chknum=0; var myCa..