// JavaScript Document

function shop(){
	var cartexists = $$('#cart_cart');
	if (cartexists.length > 0){
		cartUpdaters();
	}
}

function cartUpdaters(){
	var qty = $$('.qty input');
	qty.each (function (el){
		el.addEvent('change', function(){
			$('checkout').setProperty ('disabled', 'disabled');
			$('cart_form').submit();
		});
	});
	$('postage').addEvent('change', function(){
		$('checkout').setProperty ('disabled', 'disabled');
		$('cart_form').submit();
	});
}

function updateCart(){
	
}