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	$levels_value = variable_get('levels_text', array('value' => '', 'format' => NULL));
	$form['levels']['levels_text'] = array(
		'#type' => 'text_format', 
		'#title' => t('Levels Text'), 
		'#size' => 30, 	
		'#required' => FALSE,
		'#default_value' => $levels_value['value'],