// JavaScript Document
//preload images

Image1 = new Image(360,70);
Image1.src = "images/Layout_2011_A_sel_11.jpg";

Image2 = new Image(360,71);
Image2.src = "images/Layout_2011_A_sel_12.jpg";

Image3 = new Image(360,70);
Image3.src = "images/Layout_2011_A_sel_13.jpg";


function change_background(n){
if (n == 1){

  image = document.getElementById('link1');
  image.style.background-image = "url('images/Layout_2011_A_sel_11.jpg')";
}
}