Jquery form validation not working after insert datepicker

Question

I want to create a booking (reservation) form with datepicker textfield, name, contact and bla bla bla.

The validation works fine while my form got the name input textfield, email input textfield, contact input textfield and except the datepicker.

After I insert the jquery datepicker, the validation is not working and the datepicker works fine.

Can anyone pls give me a help?

<script src="js/prototype.js" type="text/javascript"></script>
<script src="js/validation.js" type="text/javascript"></script>
<script src="js/effects.js" type="text/javascript"></script>

<link rel="stylesheet" type="text/css" href="css/style.css" />

<script type="text/javascript" src="js/jquery-1.4.4.min.js"></script>
<script type="text/javascript" src="js/jquery-ui-1.8.7.custom.min.js"></script>
<link type="text/css" href="css/start/jquery-ui-1.8.7.custom.css" rel="stylesheet" />
<script>
$(function() {
 $( "#datepicker" ).datepicker();
});
</script>


<form id="test" action="#" method="get">
<fieldset>
    <!--<legend>Form</legend>-->
    <div class="form-row">
        <div class="field-label">
          <label for="name-t2">*Your Name:</label>
          </div>
        <div class="field-widget"><input name="name-t2" id="name-t2" class="required" title="Enter your name" /></div>
    </div>
    <div class="form-row">
        <div class="field-label"><label for="email-t2">*Your Email:</label></div>
        <div class="field-widget"><input name="email-t2" id="email-t2" class="required validate-email" title="Enter a correct email. E.g. [email protected]" /></div>
    </div>
    <div class="form-row">
        <div class="field-label"><label for="contact-t2">Contact Number:</label></div>
        <div class="field-widget"><input name="contact-t2" id="contact-t2" class="validate-digits" title="Enter your contact number" /></div>
    </div>
    <div class="form-row">
        <div class="field-label"><label for="datepicker">Departure Date:</label></div>
        <div class="field-label">
            <input id="datepicker" name="datepicker" class="required validate-date-au" type="text" />
        </div>
    </div>
    <div class="form-row">
        <div class="field-label"><label for="ppl-t2">Number of People:</label></div>
        <div class="field-label"><input name="ppl-t2" id="ppl-t2" class="validate-number" title="Optional: Enter number of people" /></div>
    </div>
    <div class="form-row">
        <div class="field-label"><label for="budget-t2">Your Budget:</label></div>
        <div class="field-widget">
            <select id="budget-t2" name="budget-t2" class="validate-selection" title="Choose your budget">
                <option>Select one...</option>
                <option>< $100</option>
                <option>$100 - $250</option>
                <option>$250 - $500</option>
                <option>$500 - $750</option>
                <option>$750 - $1,000</option>
                <option>> $1,000</option>
            </select>
        </div>
    </div>
    <div class="form-row">
        <div class="field-label"><label for="enquiry-t2">Special Enquiry:</label></div>
        <div class="field-label">
         <input type="checkbox" name="enquiry-t2" id="enquiry-travel" value="Travel" />Travel<br>
            <input type="checkbox" name="enquiry-t2" id="enquiry-accommadation" value="Accommodation"  />Accommodation<br>
            <input type="checkbox" name="enquiry-t2" id="enquiry-flight" value="Flight Ticket"  />Flight Ticket<br>
            <input type="checkbox" name="enquiry-t2" id="enquiry-other" value="Others" class="validate-one-required" />Others 
        </div>
    </div>

    <div class="form-row">
        <div class="field-label-textarea"><label for="comment-t2">Your Message:</label></div>
        <div class="field-label-textarea">
                <TEXTAREA NAME="comment-t2" id="comment-t2" class="required" cols=55 rows=10></TEXTAREA>
        </div>
    </div>

</fieldset>
<input type="submit" value="Submit" /> <input type="button" value="Reset" onClick="valid.reset(); return false" />
</form>

<script type="text/javascript">
 var valid2 = new Validation('test', {useTitles:true});
</script>

Answer 1

The problem with your code is that your jquery library and prototype libraries are conflicting.

Many JavaScript libraries use '$' as a function or variable name, just as jQuery does. Here jquery and prototype libraries are conflicting over '$' . In jQuery's case, '$' is just an alias for 'jQuery'. To fix this add jquery in no conflict mode.

jQuery.noConflict();

Include all your jquery code as below :

(function($) {    

     //jquery code goes here.    

})(jQuery);

See the complete code :

<script type="text/javascript">

jQuery.noConflict();

(function($) {  
          $("#datepicker").datepicker();
})(jQuery);

</script>

The above procedure will ensure that jquery does not conflict with your other library ,i.e, prototype in this case.

Answer 2

JQuery and Prototype might be clashing over '$'.

Try:

<script type="text/javascript">
         var $j = jQuery.noConflict()
         $j(function() {
              $j("#datepicker").datepicker();
          });
</script>

Answer 3

After I insert the below code in my datepicker function, datepicker format doesn't work and JQuery validation works fine:

<script type="text/javascript">
     var $j = jQuery.noConflict()
     $j(function() {
          $j("#datepicker").datepicker();
      });
</script>