function imagePopup(e) {
	e.preventDefault();
	
	if (INFO.uid) {
		win = window.open('','alpreview','width=600, height=600, resizable=1, scrollbars=1, status=0');
		win.document.write('<a href="javascript:window.close()"><img border="0" src="'+e.target.parentNode.href+'" alt="full image" /></a>');
		win.document.close();
	} else {
		alert('Chcete-li plný náhled fotografie, zaregistrujte se!');
	}
}

function setupGalleries() {
	as = document.getElementsByTagName('a');
	for (var i = 0; i < as.length; i++) {
		if (as[i].gallerySetup)
			continue;
		as[i].gallerySetup = true;
		if (as[i].href.indexOf('/images/') >= 0) {
			addEvent(as[i], "click", imagePopup);
		}
	}
}

addEvent(window, "load", setupGalleries);