var home_on = new Image();
home_on.src = "img/rollover/home_on.gif";
var home_off = new Image();
home_off.src = "img/rollover/home_off.gif";

var leistungen_on = new Image();
leistungen_on.src = "img/rollover/leistungen_on.gif";
var leistungen_off = new Image();
leistungen_off.src = "img/rollover/leistungen_off.gif";

var angebot_on = new Image();
angebot_on.src = "img/rollover/angebot_on.gif";
var angebot_off = new Image();
angebot_off.src = "img/rollover/angebot_off.gif";

var impressionen_on = new Image();
impressionen_on.src = "img/rollover/impressionen_on.gif";
var impressionen_off = new Image();
impressionen_off.src = "img/rollover/impressionen_off.gif";

var kontakt_on = new Image();
kontakt_on.src = "img/rollover/kontakt_on.gif";
var kontakt_off = new Image();
kontakt_off.src = "img/rollover/kontakt_off.gif";

var impressum_on = new Image();
impressum_on.src = "img/rollover/impressum_on.gif";
var impressum_off = new Image();
impressum_off.src = "img/rollover/impressum_off.gif";