<script type="text/javascript" charset="utf-8"> 
$(document).ready(function() {
// set default text into textfield
   $('#answer123X456X78SQ001comment').attr('value', 'Please Specify');	
// remove default when focus on textfield
   $('#answer123X456X78SQ001comment').focus(function() {
	if($(this).val()=='Please Specify') 
	$(this).val('')
   });
});
</script>