var gallery =
{
    init: function()
    {
        var slims = ( $$('img.slimbox') || null );
        if (slims && slims.length > 0) {
            $$(slims).slimbox({/* Put custom options here */}, null, function(el) {
        		return (this == el);
        	});
        }
    }
};

//window.addEvent('load',gallery.init);