.back {
	background-image: url(images/index_04.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
.back2 {
	background-image: url(images/index_06.jpg);
	background-repeat: no-repeat;
	background-position: left top;
}
a.blak:link {
	color: #666666;
	text-decoration: none;
}
a.black:visited {
	color: #666666;
	text-decoration: none;
}
a.black:hover {
	color: #333333;
	text-decoration: underline;
}
a.black:active {
	color: #666666;
	text-decoration: none;
}
a.ye:link {
	color: 660000;
	text-decoration: none;
}
a.ye:visited {
	color: 660000;
	text-decoration: none;
}