var pho = new Array();
pho[0] = new Image();
pho[1] = new Image();
pho[2] = new Image();
pho[3] = new Image();
pho[4] = new Image();
pho[5] = new Image();
pho[6] = new Image();
pho[7] = new Image();
pho[8] = new Image();
pho[9] = new Image();
pho[10] = new Image();

pho[0].src = "http://www.yaf.or.jp/yoshino/images/holl_1_big.jpg";
pho[1].src = "http://www.yaf.or.jp/yoshino/images/holl_2_big.jpg";
pho[2].src = "http://www.yaf.or.jp/yoshino/images/holl_3_big.jpg";
pho[3].src = "http://www.yaf.or.jp/yoshino/images/holl_4_big.jpg";
pho[4].src = "http://www.yaf.or.jp/yoshino/images/studio_a_1big.jpg";
pho[5].src = "http://www.yaf.or.jp/yoshino/images/studio_a_2big.jpg";
pho[6].src = "http://www.yaf.or.jp/yoshino/images/studio_b_big.jpg";
pho[7].src = "http://www.yaf.or.jp/yoshino/images/studio_c_big.jpg";
pho[8].src = "http://www.yaf.or.jp/yoshino/images/gallery_1_big.jpg";
pho[9].src = "http://www.yaf.or.jp/yoshino/images/gallery_2_big.jpg";
pho[10].src = "http://www.yaf.or.jp/yoshino/images/gallery_3_big.jpg";

function hollChg(index){
document.facilImages.src=pho[index].src;
}