window.addEvent('domready', function()
{
	
	function disable_postcode(){
		$('form_postal_code').setProperty("disabled","disabled");
		$('form_postal_code').setProperty("value","Not Required");
		$('form_postal_code').setStyle("background-color","#cccccc");
		$('pcaButtonXT23').setProperty("disabled","disabled");		
	}
	
	function enable_postcode(){
		$('form_postal_code').setProperty("disabled","");
		$('form_postal_code').setProperty("value","");
		$('form_postal_code').setStyle("background-color","#ffffff");
		$('pcaButtonXT23').setProperty("disabled","");		
	}
	
	
	if($('country_selector').value == "Republic of Ireland"){		
		disable_postcode();		
	}
	
	
	$("country_selector").addEvent("change", function(event){		
		
		if($('country_selector').value == "Republic of Ireland"){		
			disable_postcode();		
		}
		
		if($('country_selector').value == "United Kingdom"){		
			enable_postcode();		
		}
		
	});
	
	
	
});