function show_bus()
{
        var b_obj = document.getElementById("bus_box");
        b_obj.className = "ivyDivShow";
        var ba_obj = document.getElementById("bus_area");
	ba_obj.className = "ivyTravelActive";
        var t_obj = document.getElementById("tour_box");
        t_obj.className = "ivyDivHidden";
        var ta_obj = document.getElementById("tour_area");
	ta_obj.className = "ivyTravel";
        var v_obj = document.getElementById("vacation_box");
        v_obj.className = "ivyDivHidden";
        var va_obj = document.getElementById("vacation_area");
	va_obj.className = "ivyTravel";
        var h_obj = document.getElementById("hotel_box");
        h_obj.className = "ivyDivHidden";
        var ha_obj = document.getElementById("hotel_area");
	ha_obj.className = "ivyTravel";
	var bf_obj = get_bus_from_obj();
	if (bf_obj.options.selectedIndex > 0)
	{
    		var bt_obj = get_bus_to_obj();
    		var bt_index = bt_obj.options.selectedIndex;
		if (bt_index < 0) bt_index = 0;
		if (bt_index < 1)
		{
	    		update_bus_to(bf_obj.options[bf_obj.selectedIndex].value);
		}
    	}
	if (document.bus_search.b_roundtrip.checked == false)
	{
		document.bus_search.b_oneway.checked = true;
		document.bus_search.return_date.disabled = true;
		var bimg_obj = document.getElementById('br_img');
		if (bimg_obj != null)
		{
			bimg_obj.src = "/images/calendar_hidden.gif";
		}
	}
	else
	{
		document.bus_search.return_date.disabled = false;
                var bimg_obj = document.getElementById('br_img');
                if (bimg_obj != null)
                {
                        bimg_obj.src = "/images/calendar.gif";
                }
	}
}

function show_tour()
{
        var b_obj = document.getElementById("bus_box");
        b_obj.className = "ivyDivHidden";
        var ba_obj = document.getElementById("bus_area");
	ba_obj.className = "ivyTravel";
        var t_obj = document.getElementById("tour_box");
        t_obj.className = "ivyDivShow";
        var ta_obj = document.getElementById("tour_area");
	ta_obj.className = "ivyTravelActive";
        var v_obj = document.getElementById("vacation_box");
        v_obj.className = "ivyDivHidden";
        var va_obj = document.getElementById("vacation_area");
	va_obj.className = "ivyTravel";
        var h_obj = document.getElementById("hotel_box");
        h_obj.className = "ivyDivHidden";
        var ha_obj = document.getElementById("hotel_area");
	ha_obj.className = "ivyTravel";

	var tf_obj = get_tour_from_obj();
	if (tf_obj.options.selectedIndex > 0)
	{
		var tt_obj = get_tour_to_obj();
		var tt_index = tt_obj.options.selectedIndex;
		if (tt_index < 1)
                {
		    if (tt_index < 0) tt_index = 0;
		    update_tour_to(tf_obj.options[tf_obj.selectedIndex].value);
		}
	}
	check_tour_ignore();
}

function show_vacation()
{
        var b_obj = document.getElementById("bus_box");
        b_obj.className = "ivyDivHidden";
        var ba_obj = document.getElementById("bus_area");
	ba_obj.className = "ivyTravel";
        var t_obj = document.getElementById("tour_box");
        t_obj.className = "ivyDivHidden";
        var ta_obj = document.getElementById("tour_area");
	ta_obj.className = "ivyTravel";
        var v_obj = document.getElementById("vacation_box");
        v_obj.className = "ivyDivShow";
        var va_obj = document.getElementById("vacation_area");
	va_obj.className = "ivyTravelActive";
        var h_obj = document.getElementById("hotel_box");
        h_obj.className = "ivyDivHidden";
        var ha_obj = document.getElementById("hotel_area");
	ha_obj.className = "ivyTravel";
	check_vacation_ignore();
}

function show_hotel()
{
        var b_obj = document.getElementById("bus_box");
        b_obj.className = "ivyDivHidden";
        var ba_obj = document.getElementById("bus_area");
	ba_obj.className = "ivyTravel";
        var t_obj = document.getElementById("tour_box");
        t_obj.className = "ivyDivHidden";
        var ta_obj = document.getElementById("tour_area");
	ta_obj.className = "ivyTravel";
        var v_obj = document.getElementById("vacation_box");
        v_obj.className = "ivyDivHidden";
        var va_obj = document.getElementById("vacation_area");
	va_obj.className = "ivyTravel";
        var h_obj = document.getElementById("hotel_box");
        h_obj.className = "ivyDivShow";
        var ha_obj = document.getElementById("hotel_area");
	ha_obj.className = "ivyTravelActive";
}

function travel_start()
{
    if (document.travel_choice.t_tour.checked)
    {
        show_tour();
    }
    else if (document.travel_choice.t_vacation.checked)
    {
        show_vacation();
    }
    else if (document.travel_choice.t_hotel.checked)
    {
        show_hotel();
    }
    else if (document.travel_choice.t_bus.checked)
    {
	show_bus();
    }
    else
    {
        document.travel_choice.t_bus.checked = true;
        if (document.bus_search.b_roundtrip.checked == false)
        {
                document.bus_search.b_oneway.checked = true;
                document.bus_search.return_date.disabled = true;
        }
    }
}

if (!isIE)
{
	travel_start();
}