img{border:0;}
.img1{position:relative}
.img2{position:absolute;top:120px;}
.img3{position:absolute;top:220px;}
.img_1 b{text-decoration:underline;font-weight:normal; line-height:18px}
.img_1 b .img_1_h{display:none;}
.img_1 b:hover{zoom:1}
.img_1 b:hover .img_1_h{position:absolute;top:-250px;*top:-7px;left:80px;*left:85px;display:block;z-index:10;}