#bay {
    position: relative;
    z-index: 5000000000;
    display: block;
    width: 300px;
    height: auto;
    cursor: pointer;
    background: red;
    padding: 8px;
    }
#bay .colsebd{
	position: absolute;
	left:0;
	top:-30px;
	text-align: right;
	width:100%;
}
#bay .close{
	margin-left: 8px;
    width: 30px;
    height: 30px;
    display: inline-block;
    background: url(../images/bayclose.png);
}
#bay .imgdiv{
	width:100%;
}
#bay .imgdiv img{
	width:100%;
}