function preloader() 
{
default_l = new Image();
default_l.src = "/images/default_l.jpg";
default_r = new Image();
default_r.src = "/images/default_r.jpg";
default_v = new Image();
default_v.src = "/images/default_v.jpg";
down_l = new Image();
down_l.src = "/images/down_l.jpg";
down_r = new Image();
down_r.src = "/images/down_r.jpg";
down_v = new Image();
down_v.src = "/images/down_v.jpg";
over_l = new Image();
over_l.src = "/images/over_l.jpg";
over_r = new Image();
over_r.src = "/images/over_r.jpg";
over_v = new Image();
over_v.src = "/images/over_v.jpg";
rdefault_l = new Image();
rdefault_l.src = "/images/rdefault_l.jpg";
rdefault_r = new Image();
rdefault_r.src = "/images/rdefault_r.jpg";
rdefault_v = new Image();
rdefault_v.src = "/images/rdefault_v.jpg";
rdown_l = new Image();
rdown_l.src = "/images/rdown_l.jpg";
rdown_r = new Image();
rdown_r.src = "/images/rdown_r.jpg";
rdown_v = new Image();
rdown_v.src = "/images/rdown_v.jpg";
rover_l = new Image();
rover_l.src = "/images/rover_l.jpg";
rover_r = new Image();
rover_r.src = "/images/rover_r.jpg";
rover_v = new Image();
rover_v.src = "/images/rover_v.jpg";
sel_l = new Image();
sel_l.src = "/images/sel_l.jpg";
sel_r = new Image();
sel_r.src = "/images/sel_r.jpg";
sel_v = new Image();
sel_v.src = "/images/sel_v.jpg";

}