//subnavi init:
submenu1_lo = new Image();
submenu1_hi = new Image();
submenu2_lo = new Image();
submenu2_hi = new Image();
submenu3_lo = new Image();
submenu3_hi = new Image();
submenu4_lo = new Image();
submenu4_hi = new Image();
submenu5_lo = new Image();
submenu5_hi = new Image();

submenu1_lo.src = "img/navis/sub_workshops_intro_lo.gif";
submenu1_hi.src = "img/navis/sub_workshops_intro_hi.gif";
submenu2_lo.src = "img/navis/sub_workshops_location_lo.gif";
submenu2_hi.src = "img/navis/sub_workshops_location_hi.gif";
submenu3_lo.src = "img/navis/sub_workshops_trainers_lo.gif";
submenu3_hi.src = "img/navis/sub_workshops_trainers_hi.gif";
submenu4_lo.src = "img/navis/sub_workshops_program_lo.gif";
submenu4_hi.src = "img/navis/sub_workshops_program_hi.gif";
submenu5_lo.src = "img/navis/sub_workshops_prices_lo.gif";
submenu5_hi.src = "img/navis/sub_workshops_prices_hi.gif";