function CheckIdentity(source, args) {
    var numericExpression = /^[0-9]+$/;
    if (args.Value.match(numericExpression)) {
        args.IsValid = true;
    } else {

        args.IsValid = false;
    }

    if (args.IsValid == true) {

        var idnum = args.Value;
        while (idnum.length < 9) {
            idnum = "0" + idnum;
        }
        idnum1 = idnum.substr(0, 1) * 1;
        idnum2 = idnum.substr(1, 1) * 2;
        idnum3 = idnum.substr(2, 1) * 1;
        idnum4 = idnum.substr(3, 1) * 2;
        idnum5 = idnum.substr(4, 1) * 1;
        idnum6 = idnum.substr(5, 1) * 2;
        idnum7 = idnum.substr(6, 1) * 1;
        idnum8 = idnum.substr(7, 1) * 2;
        idnum9 = idnum.substr(8, 1) * 1;

        if (idnum1 > 9) idnum1 = (idnum1 % 10) + 1
        if (idnum2 > 9) idnum2 = (idnum2 % 10) + 1
        if (idnum3 > 9) idnum3 = (idnum3 % 10) + 1
        if (idnum4 > 9) idnum4 = (idnum4 % 10) + 1
        if (idnum5 > 9) idnum5 = (idnum5 % 10) + 1
        if (idnum6 > 9) idnum6 = (idnum6 % 10) + 1
        if (idnum7 > 9) idnum7 = (idnum7 % 10) + 1
        if (idnum8 > 9) idnum8 = (idnum8 % 10) + 1
        if (idnum9 > 9) idnum9 = (idnum9 % 10) + 1

        var sumval = idnum1 + idnum2 + idnum3 + idnum4 + idnum5 + idnum6 + idnum7 + idnum8 + idnum9;

        sumval = sumval % 10
        //miri
        //מוסיף אפסים לת"ז שחסר לה
        var CountNunbers = args.Value.length;
        var Zero = "";

        if (CountNunbers < 9) {
            CountNunbers = 9 - CountNunbers;
            for (var j = 0; j < CountNunbers; j++) {
                Zero = Zero + "0";
            }
            args.Value = Zero + args.Value
        }

        if (sumval > 0) {
            //alert("תעודת הזהות שגוייה");
            args.IsValid = false;
        }
        else {
            args.IsValid = true;
        }
    }
}