function results_export($survey_id = null)
	{
		if(empty($survey_id))
		{
			redirect(site_url().'admin/survey');
		}

		$results = $this->Survey_Model->getResults($survey_id);
		if($results === FALSE)
		{
			echo "ERROR";
		}

		//Build the results into an array more suited for a spreadsheet.
		$new_results = array();
		$result = $results->first_row('array');

		//Wanted array values
		$wanted_result = array('name', 'email', 'date', 'phone', 'city', 'state');

		//Columns present in answers uses key=question_ID[.option_ID] val=question form
		$answer_columns = array();

		// Iterate through survey results
		while($result != $results->last_row('array'))
		{
			$id = $result['result_ID'];

			//Add desired values to new array
			foreach($wanted_result as $key)
			{
				$new_results[$id][$key] = $result[$key];
			}
			$new_results[$id]['date'] = date('Y-m-d H:i', $new_results[$id]['date']);

			//Add all folowing results in this instance to sub array answers
			//Just iterates through answers to this result
			while($result['result_ID'] == $id)
			{

				//Give the answers a similar array structure to columens.
				//i.e. key=question_ID[.option_ID]
				$ans_id = !empty($result['option_ID']) ?
					$result['question_ID'].'.'.$result['option_ID'] : $result['question_ID'];

				//Add to column list
				$answer_columns[$ans_id] = $result['question'];
				//Set answers to
				$new_results[$id][$ans_id] = $result['answer'];

				//If at last row, die
				if($result == $results->last_row('array'))
				{
					break;
				}
				$result = $results->next_row('array');
			}

		}
		//Clean up
		$results->free_result();
		$results = $new_results;
		unset($new_results);

		$questions = $this->Survey_Model->getQuestions($survey_id);
		if($questions === FALSE)
		{
			echo "ERROR";
		}

		//builds column_ids array key=question_id(.option_id) value=question
		$column_ids = array();
		foreach($questions as $question)
		{
			if($question['type'] == 'grid')
			{
				foreach($question['options'] as $option)
				{
					$key = $question['question_ID'].'.'.$option['option_ID'];
					$column_ids[$key] = $question['question'].'['.$option['option'].']';
				}
			}
			else
			{
				$key = $question['question_ID'];
				$column_ids[$key] = $question['question'];
			}
		}
		//Cleanup
		unset($questions);

		//Now we need to combine the columns from the answers and the survey together with the other columns.
		foreach ($answer_columns as $key=>$col)
		{
			if(!isset($column_ids[$key]))
			{
				$column_ids[$key] = $col;
			}
		}
		//More cleanup
		unset($answer_columns);

		//Almost done, just need to start printing everything.
		//Lets make the column headers
		$columns = array('name'=>'Name', 'email'=>'Email', 'date'=>'Date', 'phone'=>'Phone #', 'city'=>'City', 'state'=>'State');

		$out = create_csv_line($columns, ',', ',').create_csv_line($column_ids);
		foreach($results as $result)
		{
			$out_arr = array();
			//Lets print results in correct order.
			foreach($columns as $key=>$col)
			{
				$out_arr[$key] = $result[$key];
			}
			//answers now.
			foreach($column_ids as $key=>$col)
			{
				$out_arr[$key] = isset($result[$key]) ? $result[$key]: " ";
			}
			//Create line
			$out .= create_csv_line($out_arr);
		}

		$survey = $this->Survey_Model->getSurvey($survey_id)->row_array();
		$file = date('Y_m_d')."_".$survey['title']."_old_survey.csv";
		$file = preg_replace('/[^\w\d. -]/si', '', $file);
		header("Content-type: text/csv");
		header("Content-Disposition: attachment; filename=\"".$file."\"");
		header("Pragma: no-cache");
		header("Expires: 0");
		//And finally, echo out csv
		echo $out;
	}