function doback(url) {
	if(!confirm("Opuścić stronę?")) return false;
		return document.location.href = url;
	}

	function dohref(url) {
		return document.location.href = url;
	}
  
   $(document).ready(function(){	
    $("#slider").easySlider({
      auto: true,
      continuous: true,
      numeric: true,
      speed: 1800,
      pause: 4000
    });
  });
  
  $(function() {
     $('a[rel*=lightbox]').lightBox({
    overlayBgColor: '#222',
    overlayOpacity: 0.8,
    containerResizeSpeed: 750,
    txtImage: 'Obraz',
    txtOf: 'z'
     });
  });