.ref {
	z-index: 8;
	position:absolute;
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	left: 0px;
	top: 0px;
	background-color:#cccccc;
}
.pic21{
	position:absolute;
	left: 0px;
	top: 30px;
	z-index: 9;
}
.pic22{
	position:absolute;
	left: 145px;
	top: 98px;
	z-index: 10;
}
.pic31{
	position:absolute;
	left: 0px;
	top: 380px;
	z-index: 9;
}
.pic32{
	position:absolute;
	left: 145px;
	top: 380px;
	z-index: 9;
}
.pic33{
	position:absolute;
	left: 402px;
	top: 380px;
	z-index: 9;
}
.pic34{
	position:absolute;
	left: 510px;
	top: 380px;
	z-index:9;
}
.pic35{
	position:absolute;
	left: 618px;
	top: 380px;
	z-index: 9;
}