// Javascript for spalunik.com

// Image rotation scripts

function prepPreload()
{
var i
var Preload
for (i=0 ; i<photo.length ; i++)
	{
	 thumb[i] = photo[i].replace(/.jpg/,"t.jpg")
	 Preload = newImage(photo[i])
	 Preload = newImage(thumb[i])
	}
}

function slide(increment)
{
var pattern
pattern = /next|fore|forward/
if(pattern.test(increment)){increment = +1}
pattern = /back|prev/
if(pattern.test(increment)){increment = -1}

if(increment > 0 && photo.length){Go = 1}

if(Go)
	{
	 var items = photo.length
	 mainImage = (mainImage + items + increment) % items
	 var nextImage = (mainImage + items + 1) % items
	 var prevImage = (mainImage + items - 1) % items
	 document.images.main.src=photo[mainImage]
	 document.images.next.src=thumb[nextImage]
	 document.images.previous.src=thumb[prevImage]
	}
}

// Roll-over scripts

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		//alert(rslt+", "+rslt.src);
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
	// Index
		nav_entrez_out = newImage("graphics/nav_accueil_out.gif");
		nav_entrez_over = newImage("graphics/nav_accueil_over.gif");
		nav_entrez_down = newImage("graphics/nav_accueil_down.gif");
		nav_enter_out = newImage("graphics/nav_welcome_out.gif");
		nav_enter_over = newImage("graphics/nav_welcome_over.gif");
		nav_enter_down = newImage("graphics/nav_welcome_down.gif");
	// Images
		montage_index = newImage("graphics/montage_index.png");
		map = newImage("graphics/map.gif");
		visite01 = newImage("photos/visite01.jpg");
		visite02t = newImage("photos/visite02t.jpg");
	// Nav
		nav_accueil_out = newImage("graphics/nav_accueil_out.gif");
		nav_accueil_over = newImage("graphics/nav_accueil_over.gif");
		nav_accueil_down = newImage("graphics/nav_accueil_down.gif");
		nav_accueil_here = newImage("graphics/nav_accueil_down.gif");
		nav_welcome_out = newImage("graphics/nav_welcome_out.gif");
		nav_welcome_over = newImage("graphics/nav_welcome_over.gif");
		nav_welcome_down = newImage("graphics/nav_welcome_down.gif");
		nav_welcome_here = newImage("graphics/nav_welcome_down.gif");
		nav_tarifs_out = newImage("graphics/nav_tarifs_out.gif");
		nav_tarifs_over = newImage("graphics/nav_tarifs_over.gif");
		nav_tarifs_down = newImage("graphics/nav_tarifs_down.gif");
		nav_tarifs_here = newImage("graphics/nav_tarifs_down.gif");
		nav_rates_out = newImage("graphics/nav_rates_out.gif");
		nav_rates_over = newImage("graphics/nav_rates_over.gif");
		nav_rates_down = newImage("graphics/nav_rates_down.gif");
		nav_rates_here = newImage("graphics/nav_rates_down.gif");
		nav_hotesses_out = newImage("graphics/nav_hotesses_out.gif");
		nav_hotesses_over = newImage("graphics/nav_hotesses_over.gif");
		nav_hotesses_down = newImage("graphics/nav_hotesses_down.gif");
		nav_hotesses_here = newImage("graphics/nav_hotesses_down.gif");
		nav_hostesses_out = newImage("graphics/nav_hostesses_out.gif");
		nav_hostesses_over = newImage("graphics/nav_hostesses_over.gif");
		nav_hostesses_down = newImage("graphics/nav_hostesses_down.gif");
		nav_hostesses_here = newImage("graphics/nav_hostesses_down.gif");
		nav_visite_out = newImage("graphics/nav_visite_out.gif");
		nav_visite_over = newImage("graphics/nav_visite_over.gif");
		nav_visite_down = newImage("graphics/nav_visite_down.gif");
		nav_visite_here = newImage("graphics/nav_visite_down.gif");
		nav_visit_out = newImage("graphics/nav_visit_out.gif");
		nav_visit_over = newImage("graphics/nav_visit_over.gif");
		nav_visit_down = newImage("graphics/nav_visit_down.gif");
		nav_visit_here = newImage("graphics/nav_visit_down.gif");
		nav_horaire_out = newImage("graphics/nav_horaire_out.gif");
		nav_horaire_over = newImage("graphics/nav_horaire_over.gif");
		nav_horaire_down = newImage("graphics/nav_horaire_down.gif");
		nav_horaire_here = newImage("graphics/nav_horaire_down.gif");
		nav_schedule_out = newImage("graphics/nav_schedule_out.gif");
		nav_schedule_over = newImage("graphics/nav_schedule_over.gif");
		nav_schedule_down = newImage("graphics/nav_schedule_down.gif");
		nav_schedule_here = newImage("graphics/nav_horaire_down.gif");
		nav_directions_out = newImage("graphics/nav_contact_out.gif");
		nav_directions_over = newImage("graphics/nav_contact_over.gif");
		nav_directions_down = newImage("graphics/nav_contact_down.gif");
		nav_directions_here = newImage("graphics/nav_contact_down.gif");
		nav_info_out = newImage("graphics/nav_info_out.gif");
		nav_info_over = newImage("graphics/nav_info_over.gif");
		nav_info_down = newImage("graphics/nav_info_down.gif");

		preloadFlag = true;
	}
}