image = new Array();

image[0] = new Image();
image[0].src = "../common/images/areamap/map.gif";
image[1] = new Image();
image[1].src = "../common/images/areamap/map_fukushima.gif";
image[2] = new Image();
image[2].src = "../common/images/areamap/map_tochigi.gif";
image[3] = new Image();
image[3].src = "../common/images/areamap/map_gunma.gif";
image[4] = new Image();
image[4].src = "../common/images/areamap/map_saitama.gif";
image[5] = new Image();
image[5].src = "../common/images/areamap/map_all.gif";

function Img_2(n){
if(document.images){
document.link.src=image[n-1].src;}}