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menu1_off.src = "../../images/en/periodikes/proigoumenes_wht.gif";
menu2_off = new Image();
menu2_off.src = "../../images/en/periodikes/trehouses_wht.gif";

menu1_on = new Image();
menu1_on.src = "../../images/en/periodikes/proigoumenes_gry.gif";
menu2_on = new Image();
menu2_on.src = "../../images/en/periodikes/trehouses_gry.gif";

function swap(){
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x+=2) {
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