var MyNamespace = {
    init: function()
    {
        // attach row clone to passenger table
        $("table#tblPassengers tr:last :input").change(function() {MyNamespace.cloneRow("tblPassengers")});

        // attach row clone to contacts table
        $("table#tblContacts tr:last :input").change(function() {MyNamespace.cloneRow("tblContacts")});
    },

    cloneRow: function(sTableId)
    {
        var oRow = $("table#{0} tr:last :input".format(sTableId));
        oRow.unbind("change");

        var oNewRow = $("table#{0} tr:last".format(sTableId)).clone();

        $(":input", oNewRow).each(
            function ()
            {
                MyNamespace.cloneInput($(this));
            }
        );

        $("table#{0}".format(sTableId)).append(oNewRow);
        $("table#{0} tr:last :input".format(sTableId)).change(function() {Flights.cloneRow(sTableId)});
    },

    cloneInput: function(oInput)
    {
        oInput.val("");
        var oRegex = new RegExp(/[^"]ctl(\d+)/g);

        var sId = oInput.attr("id");
        oRegex.exec(sId);
        var iIdCount = parseInt(RegExp.$1[1]);
        var sFind = "ctl" + MyNamespace.padIntegerString(iIdCount, 2);
        var sReplace = "ctl" + MyNamespace.padIntegerString(++iIdCount, 2);
        oInput.attr("id", sId.replace(sFind, sReplace));
        oInput.attr("name", oInput.attr("name").replace(sFind, sReplace));
    },

    padIntegerString: function(iInt, iNumberOfCharacters)
    {
        var sTest = iInt + "";
        if (sTest.length >= iNumberOfCharacters)
        {
            return sTest;
        }
        var sPad = "";
        for (var i = 0; i < iNumberOfCharacters - 1; i++)
        {
            sPad += "0";
        }
        return sPad + iInt;
    },
};