body	{
	background-image: url(back.gif);
	background-repeat: repeat-y;
	background-position:top center;
	text-align:center;
}
#contents	{
	width:800px;
	margin:auto;
	position:relative;
	text-align:left;
	}
#main	{
	width: 480px;
	position: absolute;
	left: 195px;
}
#side	{
	width: 180px;
	position: absolute;
	left: 5px;
}
#banner	{
	width:100px;
	margin-left:695px;
	text-align: center;
	}