body
{
background:#FFFFFF;
margin: 0px;
}

#main
{
position:absolute;
left: 50%; 
top: 50%;
margin-top: -86px; 
margin-left: -325px;
}

.css_g {
	background-image: url(img_com/fd_ga.jpg);
	background-repeat: repeat-y;
}
.css_d {
	background-image: url(img_com/fd_dr.jpg);
	background-repeat: repeat-y;
}