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             </div>
           </div>
 
+          <h2>&lt;optgroup&gt; Support</h2>
+          <div class="side-by-side clearfix">
+            <div>
+              <em>Single Select with Groups</em>
+              <select id="nfl_team_single" title="Your Favorite Football Team" style="width:350px;" class="chzn-select" tabindex="5">
+                <option value=""></option>
+                <optgroup label="NFC East">
+                  <option>Dallas Cowboys</option>
+                  <option>New York Giants</option>
+                  <option>Philadelphia Eagles</option>
+                  <option>Washington Redskins</option>
+                <optgroup>
+                <optgroup label="NFC NORTH">
+                  <option>Chicago Bears</option>
+                  <option>Detroit Lions</option>
+                  <option>Green Bay Packers</option>
+                  <option>Minnesota Vikings</option>
+                </optgroup>
+                <optgroup label="NFC SOUTH">
+                  <option>Atlanta Falcons</option>
+                  <option>Carolina Panthers</option>
+                  <option>New Orleans Saints</option>
+                  <option>Tampa Bay Buccaneers</option>
+                </optgroup>
+                <optgroup label="NFC WEST">
+                  <option>Arizona Cardinals</option>
+                  <option>St. Louis Rams</option>
+                  <option>San Francisco 49ers</option>
+                  <option>Seattle Seahawks</option>
+                </optgroup>
+                <optgroup label="AFC EAST">
+                  <option>Buffalo Bills</option>
+                  <option>Miami Dolphins</option>
+                  <option>New England Patriots</option>
+                  <option>New York Jets</option>
+                </optgroup>
+                <optgroup label="AFC NORTH">
+                  <option>Baltimore Ravens</option>
+                  <option>Cincinnati Bengals</option>
+                  <option>Cleveland Browns</option>
+                  <option>Pittsburgh Steelers</option>
+                </optgroup>
+                <optgroup label="AFC SOUTH">
+                  <option>Houston Texans</option>
+                  <option>Indianapolis Colts</option>
+                  <option>Jacksonville Jaguars</option>
+                  <option>Tennessee Titans</option>
+                </optgroup>
+                <optgroup label="AFC WEST">
+                  <option>Denver Broncos</option>
+                  <option>Kansas City Chiefs</option>
+                  <option>Oakland Raiders</option>
+                  <option>San Diego Chargers</option>
+                </optgroup>
+              </select>
+            </div>
+            <div>
+              <em>Multiple Select with Groups</em>
+              <select id="nfl_team_multi" title="Your Favorite Football Team" style="width:350px;" class="chzn-select" multiple tabindex="6">
+                <option value=""></option>
+                <optgroup label="NFC East">
+                  <option>Dallas Cowboys</option>
+                  <option>New York Giants</option>
+                  <option>Philadelphia Eagles</option>
+                  <option>Washington Redskins</option>
+                <optgroup>
+                <optgroup label="NFC NORTH">
+                  <option>Chicago Bears</option>
+                  <option>Detroit Lions</option>
+                  <option>Green Bay Packers</option>
+                  <option>Minnesota Vikings</option>
+                </optgroup>
+                <optgroup label="NFC SOUTH">
+                  <option>Atlanta Falcons</option>
+                  <option>Carolina Panthers</option>
+                  <option>New Orleans Saints</option>
+                  <option>Tampa Bay Buccaneers</option>
+                </optgroup>
+                <optgroup label="NFC WEST">
+                  <option>Arizona Cardinals</option>
+                  <option>St. Louis Rams</option>
+                  <option>San Francisco 49ers</option>
+                  <option>Seattle Seahawks</option>
+                </optgroup>
+                <optgroup label="AFC EAST">
+                  <option>Buffalo Bills</option>
+                  <option>Miami Dolphins</option>
+                  <option>New England Patriots</option>
+                  <option>New York Jets</option>
+                </optgroup>
+                <optgroup label="AFC NORTH">
+                  <option>Baltimore Ravens</option>
+                  <option>Cincinnati Bengals</option>
+                  <option>Cleveland Browns</option>
+                  <option>Pittsburgh Steelers</option>
+                </optgroup>
+                <optgroup label="AFC SOUTH">
+                  <option>Houston Texans</option>
+                  <option>Indianapolis Colts</option>
+                  <option>Jacksonville Jaguars</option>
+                  <option>Tennessee Titans</option>
+                </optgroup>
+                <optgroup label="AFC WEST">
+                  <option>Denver Broncos</option>
+                  <option>Kansas City Chiefs</option>
+                  <option>Oakland Raiders</option>
+                  <option>San Diego Chargers</option>
+                </optgroup>
+              </select>
+            </div>
+          </div>
+
           <h2>Why use Chosen?</h2>
           <ul>
             <li>