function change(source, dest){
				source.src = dest.src;
			}
			
			img_menu_news_a = new Image();
			img_menu_news_a.src = "/img/menu/orig/akt.jpg";
			img_menu_comp_a = new Image();
			img_menu_comp_a.src = "/img/menu/orig/komp.jpg";
			img_menu_graph_a = new Image();
			img_menu_graph_a.src = "/img/menu/orig/graf.jpg";
			img_menu_other_a = new Image();
			img_menu_other_a.src = "/img/menu/orig/inne.jpg";
			img_menu_link_a = new Image();
			img_menu_link_a.src = "/img/menu/orig/link.jpg";
			img_menu_contact_a = new Image();
			img_menu_contact_a.src = "/img/menu/orig/kontakt.jpg";
			img_menu_info_a = new Image();
			img_menu_info_a.src = "/img/menu/orig/info.jpg";
			
			img_menu_news_b = new Image();
			img_menu_news_b.src = "/img/menu/aktualnosci/akt.jpg";
			img_menu_comp_b = new Image();
			img_menu_comp_b.src = "/img/menu/komp/komp.jpg";
			img_menu_graph_b = new Image();
			img_menu_graph_b.src = "/img/menu/foto/graf.jpg";
			img_menu_other_b = new Image();
			img_menu_other_b.src = "/img/menu/inne/inne.jpg";
			img_menu_link_b = new Image();
			img_menu_link_b.src = "/img/menu/link/link.jpg";
			img_menu_contact_b = new Image();
			img_menu_contact_b.src = "/img/menu/kontakt/kontakt.jpg";
			img_menu_info_b = new Image();
			img_menu_info_b.src = "/img/menu/info/info.jpg";