Change the Left Column in Magento CMS Page

<?php 
	if(Mage::app()->getFrontController()->getRequest()->getRouteName() == 'cms') {
	echo $this->getLayout()->createBlock('cms/block')->setBlockId('cms-page-name')->toHtml();  
	}		
	else {
	echo $this->getChildHtml('left') ;
	}
?>