img {
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: none;
	border-left-style: none;
	font-size: 0%;
	line-height: 0%;
	vertical-align:top;
}

/* サブメニューの半透明処理
--------------------*/
.submenu {
	filter: alpha(Opacity=80);
	opacity: 0.8;
}
.main_menu {
	position: absolute;
}

td {
	vertical-align:top;
}