$().ready(function() {
	$('a[rel="imgprev"]').imgprev( {
		over_layer: 'imgprev_over',
		img_container: 'imgprev_prev',
		imgprev_img: 'imgprev_img',
		loading_text: 'Trwa ladowanie ...',
		speed: 'slow',
		opacity: 0.8
	});
});