var gifon = new Array(
 "../yogatree_gif/index/whatisyoga_on.gif",
 "../yogatree_gif/index/schedule_on.gif",
 "../yogatree_gif/index/price_on.gif",
 "../yogatree_gif/index/reservation_on.gif",
 "../yogatree_gif/index/contact_on.gif",
 "../yogatree_gif/index/home_on.gif",
 "../yogatree_gif/index/enter002.gif");
var imgon = new Array();
for(i = 0; i < gifon.length; i++) {
    imgon[i] = new Image(); imgon[i].src = gifon[i];
}