close1 = new Image;
close1.src = "../graphics/buttons/btnClose.gif";

close2 = new Image;
close2.src = "../graphics/buttons/btnCloseOver.gif";

cont1 = new Image;
cont1.src = "../graphics/buttons/btnContinue.gif";

cont2 = new Image;
cont2.src = "../graphics/buttons/btnContinueOver.gif";