function openPicture(url, w, h) {
	if ($(".big_image .pic_cont img").attr('src') != url) {
		$(".big_image .pic_cont img").animate({opacity:0}, 300, "linear", function() {
			$(".big_image .pic_cont img").attr('src', 'none');
			$(".big_image .pic_cont img").attr('src', url);
			$(".big_image .pic_cont img").attr('width', w);
			$(".big_image .pic_cont img").attr('height', h);
		});
	}
}

function onLoadPicture() {
	$(".big_image .pic_cont img").show();
	$(".big_image .pic_cont img").animate({opacity:1}, 300, "linear");
}