function _goto(action, uri) {
  $('ROI_widget').innerHTML = $('indicator').innerHTML;

  var req = new Request.HTML({
	  url: '/ROI_widget.data.php?action=' + action + '&uri=' + uri,
	  update: $('ROI_widget'),
	  onSuccess: function() {

	  }
  }).send();
}

function validate_Feedback() {
  var feedback_id = $('feedback_id').value;
  var feedback_text = $('feedback_text').value;

  if (($('feedback_text').value != 'enter feedback') && ($('feedback_text').value != '')) {
	 $('ROI_widget').innerHTML = $('indicator').innerHTML;

	 var req = new Request.HTML({
		 url: '/ROI_widget.data.php?action=feedback:save',
		 method: 'post',
		 update: $('ROI_widget'),
		 onSuccess: function() {

		 }
	 }).send('feedback_id=' + feedback_id + '&feedback_text=' + feedback_text);
  } else {
	 alert('A required field has been left blank.');
  }
}

function toggle_Feedback(textareaObj) {
  if ($(textareaObj).value == 'enter feedback') {
	 $(textareaObj).value = '';
  }

  if ($(textareaObj).getStyle('color') != '#000000') {
	 $(textareaObj).setStyle('color', '#000000');
  }
}