function check_num(id_name,cc){
var reId=/^[0-9]*$/;
var b_id=reId.test(id_name);
var bb = document.getElementById(cc);
if (id_name.lengthfunction check_num(id_name,cc){ var reId=/^[0-9]*$/;var b_id=reId.test(id_name);var bb = document.getElementById(cc);
