// Image Functionality based on Lightbox v2.04 by Lokesh Dhakar - http://www.lokeshdhakar.com
function initializeImages(){
	document.getElementById('imageNumberTotal').innerHTML = Images.length;
	
	// Preload Images
	preloadPrevImage.src = 'http://www.southlaketahoe.com/wordpress/wp-content/themes/slt2/thumb.php?src='+Images[maxImage].src+'&h=300&w=594&zc=1&q=80';
	preloadNextImage.src = 'http://www.southlaketahoe.com/wordpress/wp-content/themes/slt2/thumb.php?src='+Images[1].src+'&h=300&w=594&zc=1&q=80';
}

function changeImage(nextOrPrev){
	if(nextOrPrev == 'Prev'){
		currentImage--;
	} else {
		currentImage++;
	}
	if(currentImage > maxImage){
		currentImage = 0;
	}else if(currentImage < 0){
		currentImage = maxImage;
	}
	// Clear Old Data
	document.getElementById('lightboxImageLink').setAttribute('title','');
	document.getElementById('lightboxImageLink').setAttribute('href','');
	document.getElementById('lightboxImage').src = '';
	document.getElementById('imagePhotographerText').innerHTML = '';
	document.getElementById('imageTitle').innerHTML = '';
	document.getElementById('imageDescription').innerHTML = '';
	
	// Add New Data
	document.getElementById('lightboxImage').src = 'http://www.southlaketahoe.com/wordpress/wp-content/themes/slt2/thumb.php?src='+Images[currentImage].src+'&h=300&w=594&zc=1&q=80';
	document.getElementById('lightboxImageLink').setAttribute('title',Images[currentImage].title+' [Click for full image]');
	document.getElementById('lightboxImageLink').setAttribute('href',Images[currentImage].src);
	document.getElementById('imageNumberCurrent').innerHTML = currentImage+1;
	if(Images[currentImage].photographer.length > 1) { document.getElementById('imagePhotographerText').innerHTML = 'Photo by '+Images[currentImage].photographer };
	document.getElementById('imageTitle').innerHTML = Images[currentImage].title;
	document.getElementById('imageDescription').innerHTML = Images[currentImage].description;
	
	// Ensure Next & Prev images are preloaded
	if(Images[currentImage+1]!=undefined){
		preloadNextImage.src = 'http://www.southlaketahoe.com/wordpress/wp-content/themes/slt2/thumb.php?src='+Images[currentImage+1].src+'&h=300&w=594&zc=1&q=80';
	}
	if(Images[currentImage-1]!=undefined){
		preloadPrevImage.src = 'http://www.southlaketahoe.com/wordpress/wp-content/themes/slt2/thumb.php?src='+Images[currentImage-1].src+'&h=300&w=594&zc=1&q=80';
	}
}