Problem w/ Time picker plugin

Problem w/ Time picker plugin

Hello,

I'm implementing this Jquery time picker: ( http://plugins.jquery.com/project/pttimeselect ) and It works perfectly until I try to add a php var to the value of the input tag.

Here's my form code:

<form action="<?php echo $_SERVER['PHP_SELF'] ?>" method="post">
   <div id="time_of_day_select">
        <label for="time_of_day-field" >Time of Day</label>
      <input name="time_of_day" id="time_of_day_select" value="<?php echo $presc_data['time_of_day'] ?>" />
     </div>
       <input type="submit" name="submit" value="Save" />
   </form>


Here's my time picker instantiation:
<script language="JavaScript">
  <!--
   $(document).ready( function () { $('#time_of_day_select input').ptTimeSelect(); });
  //-->
</script> 



The datepicker works perfectly when I don' t add the php var to the input value:

This works:
<input name="time_of_day" id="time_of_day_select" value="" />


This breaks the Time Picker:
<input name="time_of_day" id="time_of_day_select" value="<?php echo $presc_data['time_of_day'] ?>" />


Any ideas?