JQuery Menu

JQuery Menu

I'm new to using JQuery so please forgive me if the answer is simple. I have created a menu. Currently the menu has one column horizontal and shows the entire block. How do I add columns to the menu and display only the first line for each column.
 
Code
<link rel="stylesheet" href=" http://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css" /> 
<script src="http://code.jquery.com/jquery-1.9.1.js"></script> 
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script> 
<link rel="stylesheet" href="/resources/demos/style.css" /> 
<script> 
$(function()
   {
  $( "#menu" ).menu();
  $(".selector").menu("hide");
   });  
</script> 
<style> 
.ui-menu { width: 260px; background: lightblue; }
</style>
</head>
<body>
<ul id="menu">
 <li><a href="#">Inmate</a></li>
 <li><a href="#">Report</a></li>
 <li><a href="#">Advanced Search</a></li> 
 <li>
  <a href="#">O/S File</a>
  <ul>
   <li><a href="#">Current Status/Alias</a></li>
   <li><a href="#">Description</a></li>
   <li><a href="#">Address</a></li>
   <li><a href="#">Statistics</a></li>
   <li><a href="#">Medical</a></li>
   <li><a href="#">Monetary Obligations</a></li>
   <li><a href="#">Demographics</a></li>
   <li><a href="#">Comments</a></li>
  </ul>
 </li>
 <li>
  <a href="#">Offense</a>
  <ul>
   <li><a href="#">List</a></li>
   <li><a href="#">Info 1</a></li>
   <li><a href="#">Sentencing</a></li>
   <li><a href="#">Sentence Change</a></li>
   <li><a href="#">IComp</a></li>
   <li><a href="#">Detainers</a></li>
   <li><a href="#">Good Time</a></li>
   <li><a href="#">Comments</a></li>
  </ul>
 </li>
 <li>
  <a href="#">Discipline</a>
  <ul>
   <li><a href="#">Incident</a></li>
   <li><a href="#">Special Status</a></li>
   <li><a href="#">Discipline</a></li>
  </ul>
 </li>
 <li>
  <a href="#">Education/Program/Work</a>
  <ul>
   <li><a href="#">Education</a></li>
   <li><a href="#">Program</a></li>
   <li><a href="#">Work</a></li>
  </ul>
 </li>
 <li>
  <a href="#">Housing</a>
  <ul>
   <li><a href="#">Institution Housing</a></li>
   <li><a href="#">Conflicts</a></li>
   <li><a href="#">Movement History</a></li>
   <li><a href="#">Housing Change Requests</a></li>
   <li><a href="#">Inmate Counts</a></li>
   <li><a href="#">ACC</a></li>
   <li><a href="#">Classifications</a></li>
   <li><a href="#">Program</a></li>
   <li><a href="#">Work</a></li>
  </ul>
 </li>
 <li><a href="#">Case Notes</a></li>
 <li><a href="#">Victim</a></li>
 <li><a href="#">Parole Board Hearing</a></li>
</ul>
</body>















































































 
Thanks, JR