.sw-layout-w990 .sw-layout-doc {
    margin: 0 auto;
    width: 990px;
}
.mainContentWrap{
	width: 990px;
	position: relative;
}
.upperLayout{
    width: 990px;
	height: 645px;
	overflow: hidden;
}

.upperLayout .upperLeft{
	width: 300px;
	float:left;
}

.upperLayout .upperRight{
	float:right;
    width: 220px;
}

.upperLayout .upperMiddle{
	width: 440px;
	padding: 0px 10px;
	float:left;
}
.maindata{
	width: 990px;
}