#main_navi ul, #main_navi ul li, #main_navi ul ul { list-style: none; margin:0; padding: 0; }
#main_navi ul { position: relative; z-index: 597; float: left; }
#main_navi ul li { float: left; line-height: 1.8em; vertical-align: middle; zoom: 1; }
#main_navi ul li.hover, #main_navi ul li:hover { position: relative; z-index: 599; cursor: default; }
#main_navi ul li ul { visibility: hidden; position: absolute; top: 100%; left: 0; z-index: 598; width: 100%;}
#main_navi ul ul li { float: none;}
#main_navi ul ul ul { top: 0px; left: 99%; }
#main_navi ul li:hover > ul { visibility: visible; }

/* Default CSS Drop-Down Menu Theme*/
#main_navi ul { font-weight: bold; font:14px; }
#main_navi ul li a { padding: 7px 15px; display:block; }
#main_navi ul li a:link, #main_navi ul li a:visited	{  text-decoration: none; }
	
/* -- level mark -- */
#main_navi ul li ul { width: 190px; margin-left:0px; }
#main_navi ul li ul li ul li ul { margin-left:2px; }
#main_navi ul li ul li { font-weight: bold;  margin-top: -1px;  }

#main_navi h3 { display:none; }