#main_navigation
 {  
	top:62px; padding-left:10px;
	}

 #main_navigation li
 { float: left;
 list-style: none;
 font: 12px Tahoma, Arial}

 #main_navigation li a
 { display: block;
 text-align:center;
 text-decoration: none;
 border-right: 1px solid gray;
 width: 100px;
 height:25px;
 color: white;
 font: 15px Tahoma, Arial;
 font-weight:bold;
 background-image:url('../images/suButtonDn.jpg');
 white-space: nowrap}

 #main_navigation li a:hover
 { background-image:url('../images/suButtonUp.jpg');color:Blue}

 #main_navigation li ul
 { margin: 0;
 padding: 0;
 position: absolute;
 visibility: hidden;
 border-top: 1px solid black}

 #main_navigation li ul li
 { float: none;
 display: inline}

 #main_navigation li ul li a
 { width: 100px;
 padding-top:2px;
 height:25px;
 font: 13px Tahoma, Arial;
 background-image:url('../images/suButtonDn.jpg');}

 #main_navigation li ul li a:hover
 { padding-top:2px;font: 13px Tahoma, Arial;background-image:url('../images/suButtonUp.jpg'); color:Blue}