.La1 {
	width:980px;
	height:260px;
	z-index:1;
	left: 0px;
	top: -10px;
}


.La2 {
	
	width:980px;
	height:30px;
	z-index:1;
	left: 0px;
	top: -10px;
}
.La3 {
	
	width:980px;
	height:300px;
	z-index:1;
	left: 0px;
	top: 0px;
}
.La4 {
	
	width:980px;
	height:0px;
	z-index:1;
	left: 0px;
	top: 0px;
}