#main_menu {
	width:750px;
	height:22px;
	margin:0 auto;
	background-color: #000000;
}

#main_menuwrap {
	width:100%;
	height:22px; 
	position:relative; 
	top:0px;
	background-color: #000000;
}

ul#m_menu {
	width:750px; 
	height:22px; 
	/*float:right; */
	margin:0; 
	padding:0; 
	list-style-type:none; 
	background-color: #000000;
}

ul#m_menu li { 
	float:left;
}

ul#m_menu li a { 
	display: block; 
	height:22px; 
	overflow:hidden; 
	text-indent:-99999px;
	background:transparent url(menu/main_menu.png) no-repeat;
}

ul#m_menu li#about a { background-position:-0px 0; width:190px; }
ul#m_menu li#about a:hover { background-position:-0px -22px; width:190px; }
ul#m_menu li#about a.current { background-position:-0px -22px; width:190px; }

ul#m_menu li#news a { background-position:-190px 0; width:100px; }
ul#m_menu li#news a:hover { background-position:-190px -22px; width:100px; }
ul#m_menu li#news a.current { background-position:-190px -22px; width:100px; }

ul#m_menu li#site a { background-position:-290px 0; width:100px; }
ul#m_menu li#site a:hover { background-position:-290px -22px; width:100px; }
ul#m_menu li#site a.current { background-position:-290px -22px; width:100px; }

ul#m_menu li#service a { background-position:-390px 0; width:100px; }
ul#m_menu li#service a:hover { background-position:-390px -22px; width:100px; }
ul#m_menu li#service a.current { background-position:-390px -22px; width:100px; }

ul#m_menu li#dm a { background-position:-490px 0; width:100px; }
ul#m_menu li#dm a:hover { background-position:-490px -22px; width:100px; }
ul#m_menu li#dm a.current { background-position:-490px -22px; width:100px; }

ul#m_menu li#group a { background-position:-590px 0; width:100px; }
ul#m_menu li#group a:hover { background-position:-590px -22px; width:100px; }
ul#m_menu li#group a.current { background-position:-590px -22px; width:100px; }