events wont bind after using $.mobile.navigate

When I use $.mobile.navigate to change the page, the page will load but the my custom script won't bind to the elements. If I refresh the page, the custom script will load and bind to the elements. I have a select element to choose between pages:

<select name="calc-Nav" id="calc-Nav">
    <option value="a.php">A</option>
    <option value="b.php">B</option>
    <option value="c.php">C</option>
</select>

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This is the event bound to the select element:

$("#calc-Nav").on("change", function (e) {
    var opt = $("#calc-Nav option:selected").val();
    if (opt) {
        e.preventDefault();
        $.mobile.navigate(opt);
    }
});

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Also, I link to my javascript files in the following order:

<script src="jquery.js"></script>
<script src="custom-scripting.js"></script>
<script src="jquery-mobile.js"></script>

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Does anyone have any ideas how to make this work?

thanks.

Also, here is the template I used for each page.

<!DOCTYPE html>
<html>
<head>
      <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="http://code.jquery.com/mobile/1.4.2/jquery.mobile-1.4.2.min.css">
</head>
<body>
    <div data-role="page">
        <div data-role="header">
            <div class="ui-field-contain">
                <select name="calc-Nav" id="calc-Nav">
                    <option value="Index.php">Home</option>
                    <option value="a.php">a</option>
                    <option value="b.php">b</option>
                    <option value="c.php">c</option>
                </select>
            </div>
         </div>
     <div data-role="main" class="ui-content">
         <div id="index">
             <h1> Form goes Here. </h1>
         </div>
     </div>
     <div data-role="footer">
         <h1>Footer</h1>
     </div>
 </div>
</body>
    <script src="http://code.jquery.com/jquery-1.9.0.js"></script>
    <script src="js/formulas.js"></script>
    <script src="http://code.jquery.com/mobile/1.4.2/jquery.mobile-1.4.2.min.js"></script>
</html>

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spencerclarkAsked:
Who is Participating?
 
Anthony PangilinanConnect With a Mentor DeveloperCommented:
Have you tried delegation?

$("#parentSelector").on("change", "#calc-Nav", function (e) {
    var opt = $("#calc-Nav option:selected").val();
    if (opt) {
        e.preventDefault();
        $.mobile.navigate(opt);
    }
});

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0
 
Tony O'ByrneSenior Web DeveloperCommented:
Wild guess, but I've found it can sometimes make a difference.  Try putting all your libs first and all custom scripts later:

<script src="http://code.jquery.com/jquery-1.9.0.js"></script>
<script src="http://code.jquery.com/mobile/1.4.2/jquery.mobile-1.4.2.min.js"></script>
<script src="js/formulas.js"></script>

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You want to be sure that by the time js/formulas.js is being parsed, that all the libs have already been parsed.  If js/formulas.js is parsed before mobile lib, and if you're referencing something in the mobile lib, you may be referencing something that doesn't yet exist.
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spencerclarkAuthor Commented:
Thanks, it's didn't make any changes, however, I did notice that the new URL has a # at the end.  What should I be used to prevent the # being appended at the end of the address?
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