var arrImgs = [];


   arrImgs[0] = new Image(); arrImgs[0].src = 'load_objects/imgs/product1.jpg';
   arrImgs[1] = new Image(); arrImgs[1].src = 'load_objects/imgs/product2.jpg';
   arrImgs[2] = new Image(); arrImgs[2].src = 'load_objects/imgs/product3.jpg';
   arrImgs[3] = new Image(); arrImgs[3].src = 'load_objects/imgs/product4.jpg';
   var arrUrls = [
	'cleansing_express/',
	'barrier_repair/',
	'foundation_express/',
	'vanity_mascara/'
   ];
   function Change ( index )
   {
     // 画像変換
     var obj = document.getElementById( 'id-img' );
     obj.src = arrImgs[index].src;

     // リンク先変更
     obj = obj.parentNode;
     obj.href = arrUrls[index];
   }