function add_to_cart(product_id)
{
	new Ajax.Updater('precart', '/add_to_cart', { method: 'post', parameters: {product_id: product_id},
		onComplete: function() { new Effect.Appear('added'); }
	});
}

function remove_from_cart(product_id, cart_id)
{
	new Ajax.Updater('precart', '/remove_from_cart', { method: 'post', parameters: {product_id: product_id, cart_id: cart_id},
		onComplete: function() { new Ajax.Updater('content', '/removed_cart'); }
	 });
	
}

function changeDetail(appear)
{

fade = document.getElementById('currentimg').value;

Effect.Fade(fade, { duration:1.5, from:1.0, to:0.0 });
Effect.Appear(appear, { duration:1, from:0.0, to:1.0 });

document.getElementById('currentimg').value=appear

}


function checkShip()
{
var ship = document.checkout.same_as_billing.checked;
if(ship = true){
	document.checkout.s_firstname.value = document.checkout.b_firstname.value;
	document.checkout.s_lastname.value = document.checkout.b_lastname.value;
	document.checkout.s_address.value = document.checkout.b_address.value;
	document.checkout.s_city.value = document.checkout.b_city.value;
	document.checkout.s_state.value = document.checkout.b_state.value;
	document.checkout.s_province.value = document.checkout.b_province.value;
	document.checkout.s_zip.value = document.checkout.b_zip.value;
	document.checkout.s_country.value = document.checkout.b_country.value;

}

}