//台湾地区身份证校验

function IsTWIdcard(idcard){

    if(/^[A-Z][1-2]\d{8}$/.test(idcard))

    {

        var area={'A':10,'B':11,'C':12,'D':13,'E':14,'F':15,'G':16,'H':17,'J':18,'K':19,'L':20,'M':21,'N':22,'P':23,'Q':24,'R':25,'S':26,'T':27,'U':28,'V':29,'X':30,'Y':31,'W':32,'Z':33,'I':34,'O':35};

        var idcard_array = new Array();

        idcard_array = idcard.split("");

        var jym=parseInt(area[idcard_array[0]]/10)+9*(area[idcard_array[0]]%10)+8*idcard_array[1]+7*idcard_array[2]+6*idcard_array[3]+5*idcard_array[4]+4*idcard_array[5]+3*idcard_array[6]+2*idcard_array[7]+1*idcard_array[8];

        jym=(10-jym%10)%10;

        if(idcard_array[9]==jym)

        {

            return true;

        }

    }

    return false;

}