function storesh() {
    $(".lblError").hide();
    var pyk = $.sha1(String($('.pwd').val() + getSalt()));
    $('.shapw').val(pyk);
    //$('.pwd').val('');
    return true;

}



function getSalt() {
    var num;
    $.ajax({
        type: "POST",
        async: false,
        data: "{}",
        url: "Login_2.aspx/GetSalt",
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        beforeSend: function () {
            $('#loading').show();

        },
        complete: function () {

        },
        success: function (jsonData) {
            num = jsonData.d;
        },
        error: function (err) {
            $('#loading').hide();
            num = "-1";
        }
    });
    return num;
}