var image1= new Image();
var image2= new Image();
var image3= new Image();
var image4= new Image();

image1.src = "imageswww/skavena.gif";
image2.src = "imageswww/lipa.gif";
image3.src = "imageswww/twe2.gif";
image4.src = "imageswww/zeh.gif";