$(document).ready(function() {
    $('img').parents('a').fancybox({
        'zoomOpacity'         : true,
        'overlayShow'         : false,
        'zoomSpeedIn'         : 500,
        'zoomSpeedOut'        : 500,
        'hideOnContentClick': false,
        'centerOnScroll':     false
	});
});