mtop1 = new Image;
mtop1.src = "buttons/01_off.gif";
mtop1o = new Image;
mtop1o.src = "buttons/01_on.gif";
mtop2 = new Image;
mtop2.src = "buttons/02_off.gif";
mtop2o = new Image;
mtop2o.src = "buttons/02_on.gif";
mtop3 = new Image;
mtop3.src = "buttons/03_off.gif";
mtop3o = new Image;
mtop3o.src = "buttons/03_on.gif";
mtop4 = new Image;
mtop4.src = "buttons/04_off.gif";
mtop4o = new Image;
mtop4o.src = "buttons/04_on.gif";
mtop5 = new Image;
mtop5.src = "buttons/05_off.gif";
mtop5o = new Image;
mtop5o.src = "buttons/05_on.gif";
mtop6 = new Image;
mtop6.src = "buttons/06_off.gif";
mtop6o = new Image;
mtop6o.src = "buttons/06_on.gif";
mtop7 = new Image;
mtop7.src = "buttons/07_off.gif";
mtop7o = new Image;
mtop7o.src = "buttons/07_on.gif";
mtop8 = new Image;
mtop8.src = "buttons/08_off.gif";
mtop8o = new Image;
mtop8o.src = "buttons/08_on.gif";
mtop9 = new Image;
mtop9.src = "buttons/09_off.gif";
mtop9o = new Image;
mtop9o.src = "buttons/09_on.gif";

b1 = new Image;
b1.src = "buttons/odeslat_off.gif";
b1o = new Image;
b1o.src = "buttons/odeslat_on.gif";
b2 = new Image;
b2.src = "buttons/zobrazit_off.gif";
b2o = new Image;
b2o.src = "buttons/zobrazit_on.gif";

function navMouseOver(imgid,imgnew) {
    document.images[imgid].src=eval(imgnew + ".src");    
}