/*
 * author:ZhaoXiaodong
 * create date:2008.7.3
 * description:Validate Indentity Card
 */

function isIdentityCard(idCard){var num=idCard.toUpperCase();var len=num.length;if(!validateIdentityCardFormat(num)){return false;}if(!validateIdentityCardBirthday(num)){return false;}if(len==18){var valnum;var arrInt=new Array(7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2);var arrCh=new Array('1','0','X','9','8','7','6','5','4','3','2');var nTemp=0,i;for(i=0;i<17;i++){nTemp+=num.substr(i,1)*arrInt[i];}valnum=arrCh[nTemp%11];if(valnum!=num.substr(17,1)){return false;}}return true;}
function validateIdentityCardFormat(idCard){var num=idCard.toUpperCase();if(!(/(^\d{15}$)|(^\d{17}([0-9]|X)$)/.test(num))){return false;}return true;}
function validateIdentityCardBirthday(idCard){var num=idCard.toUpperCase();var len,re;len=num.length;if(len==15){re=new RegExp(/^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/);var arrSplit=num.match(re);var dtmBirth=new Date('19'+arrSplit[2]+'/'+arrSplit[3]+'/'+arrSplit[4]);var bGoodDay;bGoodDay=(dtmBirth.getYear()==Number(arrSplit[2]))&&((dtmBirth.getMonth()+1)==Number(arrSplit[3]))&&(dtmBirth.getDate()==Number(arrSplit[4]));if(!bGoodDay){return false;}}if(len==18){re=new RegExp(/^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/);var arrSplit=num.match(re);var dtmBirth=new Date(arrSplit[2]+"/"+arrSplit[3]+"/"+arrSplit[4]);var bGoodDay;bGoodDay=(dtmBirth.getFullYear()==Number(arrSplit[2]))&&((dtmBirth.getMonth()+1)==Number(arrSplit[3]))&&(dtmBirth.getDate()==Number(arrSplit[4]));if(!bGoodDay){return false;}}return true;}
function validateIdentityCardBirthdayByInput(idCard,birthday){var num=idCard.toUpperCase();var len,re;var dtmBirth;var bGoodDay;len=num.length;if(len==15){re=new RegExp(/^(\d{6})(\d{2})(\d{2})(\d{2})(\d{3})$/);var arrSplit=num.match(re);dtmBirth=new Date('19'+arrSplit[2]+'/'+arrSplit[3]+'/'+arrSplit[4]);}if(len==18){re=new RegExp(/^(\d{6})(\d{4})(\d{2})(\d{2})(\d{3})([0-9]|X)$/);var arrSplit=num.match(re);dtmBirth=new Date(arrSplit[2]+"/"+arrSplit[3]+"/"+arrSplit[4]);}var birth=new Date(birthday);bGoodDay=(birth.getFullYear()==dtmBirth.getFullYear())&&((birth.getMonth()+1)==(dtmBirth.getMonth()+1))&&(birth.getDate()==dtmBirth.getDate());if(!bGoodDay){return false;}return true;}
function getLongIdentityCard(idCard){var num=idCard.toUpperCase();var arrInt=new Array(7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2);var arrCh=new Array('1','0','X','9','8','7','6','5','4','3','2');var nTemp=0,i;num=num.substr(0,6)+'19'+num.substr(6,num.length-6);for(i=0;i<17;i++){nTemp+=num.substr(i,1)*arrInt[i];}num+=arrCh[nTemp%11];return num;}