校验身份证号码

 //身份证号\机构代码号输入校验，只能输入英文、数字、短横线“-”
        function checkSfzjhm() {
            var value = $("#sfzjhm").val();
            //证件号码是必填的
            /* if (zjhmsfbt==true) {
                if (isNull($.trim(value))) {
                    showErrorMsg(validator, "strSfzjhm", "证件号码不能为空 !");
                    return false;
                }
            } */
            if (isNull($.trim(value))) {
                showErrorMsg(validator, "strSfzjhm", "证件号码不能为空 ");
                return false;
            }
            if ($("#sfzjlxid").find('option:selected').text() == '身份证') {
                var result = isCardID(value);
                if (result!=true) {
                    showErrorMsg(validator, "strSfzjhm", result);
                    return false;
                }
                return true;
            }
            var tel = /^[a-zA-Z0-9-]{1,}$/
            if (!tel.test(value)) {
                showErrorMsg(validator, "strSfzjhm", "只能输入英文、数字、短横线-！");
                return false;
            }
            return true;
        }

        var aCity={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"*",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"*",71:"*",81:"香港",82:"澳门",91:"国外"}

        function isCardID(sId){
            var iSum=0 ;
            var info="" ;
            if(!/^\d{17}(\d|x)$/i.test(sId)) return "你输入的身份证长度或格式错误！";
            /*		sId=sId.replace(/x$/i,"a");
                    if(aCity[parseInt(sId.substr(0,2))]==null) return "你的身份证地区非法！"; */
            sBirthday=sId.substr(6,4)+"-"+Number(sId.substr(10,2))+"-"+Number(sId.substr(12,2));
            var d=new Date(sBirthday.replace(/-/g,"/")) ;
            if(sBirthday!=(d.getFullYear()+"-"+ (d.getMonth()+1) + "-" + d.getDate())) return "身份证上的出生日期非法！";
            /*for(var i = 17;i>=0;i --) iSum += (Math.pow(2,i) % 11) * parseInt(sId.charAt(17 - i),11) ;
            if(iSum%11!=1) return "你输入的身份证号非法！"; */
            return true;//aCity[parseInt(sId.substr(0,2))]+","+sBirthday+","+(sId.substr(16,1)%2?"男":"女")
        }