$('#image_thumbs a:first').addClass('hover');
$('#image_thumbs a').click(function(e) {
	e.preventDefault();
	filename = $(this).attr('rel');
	$('#image_thumbs a').removeClass('hover');
	$(this).addClass('hover');
	folder = $('#switcher_image').attr('alt');
	filename = "../images/products/"+folder+"/"+filename+"_b.jpg";
	preloadImage(filename);
});
preloadImage = function(filename) {
	var loader = new Image();
	$('#switcher_image').fadeTo(
		400,
		0,
		function(){
			loader.onload = function(){
				switchImages(loader);
			};
			loader.src = filename;
		}
	)
};
switchImages = function(image) {
	$('#switcher_image').attr('src', image.src);
	$('#switcher_image').fadeTo(
		400,
		1
	)
};