// Images 
var oz_imgs = ["oz_gallery1.jpg", "oz_gallery2.jpg", "oz_gallery3.jpg", "oz_gallery4.jpg", "oz_gallery5.jpg", "oz_gallery6.jpg"];
var nz_imgs = ["nz_gallery1.jpg", "nz_gallery2.jpg", "nz_gallery3.jpg", "ni_gallery1.jpg", "si_gallery1.jpg", "ni_gallery2.jpg"];
var north_island_imgs = ["ni_gallery1.jpg", "ni_gallery2.jpg", "ni_gallery3.jpg"];
var south_island_imgs = ["si_gallery1.jpg", "si_gallery2.jpg", "si_gallery3.jpg"];
var west_australia_imgs = ["wa_gallery1.jpg", "wa_gallery2.jpg", "wa_gallery3.jpg"];
var south_australia_imgs = ["sa_gallery1.jpg", "sa_gallery2.jpg", "sa_gallery3.jpg"];
var nsw_imgs = ["nsw_gallery1.jpg", "nsw_gallery2.jpg", "nsw_gallery3.jpg"];
var act_imgs = ["act_gallery2.jpg", "act_gallery3.jpg"];
var north_territory_imgs = ["nt_gallery1.jpg", "nt_gallery2.jpg"];
var queensland_imgs = ["queens_gallery1.jpg", "queens_gallery2.jpg"];
var victoria_imgs = ["vic_gallery1.jpg", "vic_gallery2.jpg", "vic_gallery3.jpg"];
var tasmania_imgs = ["tas_gallery1.jpg", "tas_gallery2.jpg"];

var pause_slideshow = false; 
var image_count = 0;

function setupGallery()
{
	document.getElementById('gallery_image').onclick = function()
	{
		window.location = "/booking_enquiry.php";
	}
	document.getElementById('controls').style.display = 'block';
		
	switch (document.getElementById('next_image').className)
	{
		case 'oz':
			var image_num = 6;
			break;
		case 'nz':
			var image_num = 6;
			break;
		case 'north_island':
			var image_num = 3;
			break;
		case 'south_island':
			var image_num = 3;
			break;
		case 'western_australia':
			var image_num = 3;
			break;
		case 'south_australia':
			var image_num = 3;
			break;
		case 'new_south_wales':
			var image_num = 3;
			break;
		case 'australian_capital_territory':
			var image_num = 2;
			break;
		case 'northern_australia':
			var image_num = 2;
			break;
		case 'queensland':
			var image_num = 2;
			break;
		case 'victoria':
			var image_num = 2;
			break;
		case 'tasmania':
			var image_num = 2;
			break;

	}	
			
		
	document.getElementById('previous_image').onclick = function()
	{
		var currImg = '';
		pause_slideshow = true;
		
		if (image_count == 0)
		{
			image_count = image_num-1;
		}
		else
		{
			image_count--;
		}
			
			
		switch (document.getElementById('previous_image').className)
		{
			case 'oz':
				currImg = oz_imgs[image_count];
				break;
			case 'nz':
				currImg = nz_imgs[image_count];
				break;
			case 'north_island':
				currImg = north_island_imgs[image_count];
				break;
			case 'south_island':
				currImg = south_island_imgs[image_count];
				break;
			case 'south_australia':
				currImg = south_australia_imgs[image_count];
				break;
			case 'western_australia':
				currImg = west_australia_imgs[image_count];
				break;
			case 'new_south_wales':
				currImg = nsw_imgs[image_count];
				break;
			case 'australian_capital_territory':
				currImg = act_imgs[image_count];
				break;
			case 'northern_australia':
				currImg = north_territory_imgs[image_count];
				break;
			case 'queensland':
				currImg = queensland_imgs[image_count];
				break;
			case 'victoria':
				currImg = victoria_imgs[image_count];
				break;
			case 'tasmania':
				currImg = tasmania_imgs[image_count];
				break;

		}		
		
		document.getElementById('gallery_image').src = '/images/garstang/' + currImg + "";
		document.getElementById('photo_num').innerHTML = image_count+1;
	}
	
	document.getElementById('next_image').onclick = function()
	{
		var currImg = '';
		pause_slideshow = true;
		
		if (image_count == image_num-1)
		{
			image_count = 0;
		}
		else
		{
			image_count++;
		}
		
		switch (document.getElementById('next_image').className)
		{
			case 'oz':
				currImg = oz_imgs[image_count];
				break;
			case 'nz':
				currImg = nz_imgs[image_count];
				break;
			case 'north_island':
				currImg = north_island_imgs[image_count];
				break;
			case 'south_island':
				currImg = south_island_imgs[image_count];
				break;
			case 'south_australia':
				currImg = south_australia_imgs[image_count];
				break;
			case 'western_australia':
				currImg = west_australia_imgs[image_count];
				break;
			case 'new_south_wales':
				currImg = nsw_imgs[image_count];
				break;
			case 'australian_capital_territory':
				currImg = act_imgs[image_count];
				break;
			case 'northern_australia':
				currImg = north_territory_imgs[image_count];
				break;
			case 'queensland':
				currImg = queensland_imgs[image_count];
				break;
			case 'victoria':
				currImg = victoria_imgs[image_count];
				break;
			case 'tasmania':
				currImg = tasmania_imgs[image_count];
				break;
		}
		
		document.getElementById('gallery_image').src = '/images/garstang/' + currImg + "";
		document.getElementById('photo_num').innerHTML = image_count+1;
	}
	
}

function slideshow()
{
	if (pause_slideshow == true)
	{
		return;
	}
	
	switch (document.getElementById('next_image').className)
	{
		case 'oz':
			var image_num = 6;
			break;
		case 'nz':
			var image_num = 6;
			break;
	}
	
	if (image_count == image_num-1)
	{
		image_count = 0;
	}
	else
	{
		image_count++;
	}
	
	switch (document.getElementById('next_image').className)
	{
		case 'oz':
			currImg = oz_imgs[image_count];
			break;
		case 'nz':
			currImg = nz_imgs[image_count];
			break;
	}
	
	document.getElementById('gallery_image').src = '/images/garstang/' + currImg + "";
	document.getElementById('photo_num').innerHTML = image_count+1;

	// Change image every 4 seconds
	setTimeout("slideshow()", 4000);
}

addEvent(window,'load', setupGallery);