<!-- Begin preload icons for leftnav


function onLoad()
{
    if (document.images)
    {
		tripNav01_on = new Image();
		tripNav01_on.src = "/images/tabs/overview_over.gif";
		
		tripNav02_on = new Image();
		tripNav02_on.src = "/images/tabs/trip_details_over.gif";
		
		tripNav03_on = new Image();
		tripNav03_on.src = "/images/tabs/day_to_day_itinerary_over.gif";
		
		tripNav04_on = new Image();
		tripNav04_on.src = "/images/tabs/dates_prices_over.gif";
		
		tripNav05_on = new Image();
		tripNav05_on.src = "/images/tabs/travelling_with_us_over.gif";
		
		tripNav06_on = new Image();
		tripNav06_on.src = "/images/tabs/print_trip_notes_on.gif";					
		
		tripNav07_on = new Image();
		tripNav07_on.src = "/images/tabs/select_vessel_over.gif";					
		
		
		tripNav01 = new Image();
		tripNav01.src = "/images/tabs/overview.gif";
		
		tripNav02 = new Image();
		tripNav02.src = "/images/tabs/trip_details.gif";
		
		tripNav03 = new Image();
		tripNav03.src = "/images/tabs/day_to_day_itinerary.gif";
		
		tripNav04 = new Image();
		tripNav04.src = "/images/tabs/dates_prices.gif";

		tripNav05 = new Image();
		tripNav05.src = "/images/tabs/travelling_with_us.gif";
		
		tripNav06 = new Image();
		tripNav06.src = "/images/tabs/print_trip_notes.gif";					
		
		tripNav07 = new Image();
		tripNav07.src = "/images/tabs/select_vessel.gif";					
    }
}

onLoad();

function image_swap(imgName)
{
    if (document.images)
    {
        document [imgName].src = eval(imgName + "_on.src");
    }
    else
    {
        return;
    }
}

function image_restore(imgName)
{
    if (document.images)
    {
        document [imgName].src = eval(imgName + ".src");
    }
    else
    {
        return;
    }
}

// End -->