preImg1 = new Image();
preImg1.src = "image/l_waku_t.gif";

preImg2 = new Image();
preImg2.src = "image/l_waku_r.gif";

preImg3 = new Image();
preImg3.src = "image/wakutop.gif";

preImg4 = new Image();
preImg4.src = "image/smback02.gif";

preImg5 = new Image();
preImg5.src = "image/wakul.gif";

preImg6 = new Image();
preImg6.src = "image/wakur.gif";

preImg7 = new Image();
preImg7.src = "image/wakub.gif";

preImg7 = new Image();
preImg7.src = "image/sm_back01.gif";