.dropdown {float:left; font-size: 0;}
.dropdown dt {cursor:pointer;}
.dropdown dd {
	position:absolute;
	left:0px;
	overflow:hidden;
	display:none;
	z-index:200;
	opacity:0;
}
.dropdown ul {
	background:url(../img/share/dropdown_bg.jpg) left top no-repeat;
	width:100%;
	list-style:none;
	border-top:none;
}
.dropdown li {
	float:left;
	line-height:100%;
}
.dropdown a, .dropdown a:active, .dropdown a:visited {
	display:block;
}
.dropdown .underline {
}

#navi_menu li{
	float:left;
	}