jQuery Dialog Confirm

HTML

<link rel="stylesheet" href="http://code.jquery.com/ui/1.8.23/themes/redmond/jquery-ui.css">
<button id="myButton">click!</button>
<table>


 <tr>
					<td>Tools Selection</td>
					<td><select  id="myButton"><option value="ACL">ACL</option>
							<option value="AEP (formerly Single Sign On)" >AEP
								(formerly Single Sign On)</option>
							<option value="ARCollect">ARCollect</option>
							<option value="Autorek">Autorek</option>
							<option value="Basware">Basware</option>
							<option value="Blackline">Blackline</option>
							<option value="ARCollect">ARCollect</option>
							<option value="BluePrism">BluePrism</option>
							<option value="Blue Works Live">Blue Works Live</option>
							<option value="Blackline">Blackline</option>
					</select></td>

				</tr>
        </table>
<div id="dialog1" title="Dialog box">

</div>

JavaScript

$(function() {

  $("#dialog1").dialog({
     autoOpen: false,
     modal: true
   });

  $("#myButton").on("click", function(e) {
      e.preventDefault();
      $("#dialog1").dialog("open");
  });

});