| function checkIDCard(s, d, g) {
 if (!s) return false;
 d = new Date(d);
 if (!d.getTime()) return false;
 var t, r;  t = "" + d.getFullYear() + dblNum(d.getMonth() + 1) + dblNum(d.getDate());  if (g == null || isNaN(g)) return false; g = parseInt(g) % 2;
 switch (s.length) {
 case 8 :
 if (new Date() > d.setFullYear(d.getFullYear() + 19)) return false;
 r = /^[\d]{8}$/;
 if (!r.test(s)) return false;
 if (s != t) return false;
 break; case 15 :
 r = /^[\d]{15}$/;
 if (!r.test(s)) return false;
 if (s.substr(6, 6) != t.substr(2)) return false;
 if (parseInt(s.charAt(14)) % 2 != g) return false;
 break; case 18 :
 r = /^(?:[\d]{18}|[\d]{17}X)$/i;
 if (!r.test(s)) return false;
 if (s.substr(6, 8) != t) return false;
 if (parseInt(s.charAt(16)) % 2 != g) return false;
 var n = 0; var w = new Array(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2); // 加权因子
 var c = new Array("1", "0", "X", "9", "8", "7", "6", "5", "4", "3", "2"); // 校验码
 for (var i = 0; i < 17; i++) {
 n += parseInt(s.charAt(i)) * w[i];
 }
 if (s.charAt(17).toUpperCase() != c[n % 11]) return false;  break; default :
 return false;
 }
 return true; }
 function dblNum(n) {
 return parseInt(n) < 10 ? "0" + n : n;
 }
 //var sss = "422324860305482"; //Response.Write(checkIDCard(sss, "03/05/1986", 0));
 |