function toggle_value($name,$value)
{
	if($("input[name='"+$name+"']").val()==$value)
		$("input[name='"+$name+"']").val('');
	else if($("input[name='"+$name+"']").val()=='')
		$("input[name='"+$name+"']").val($value)
}	

function delete_cart_item(item_id)
{
	$('#item_'+item_id).remove();
	
	$.post('/cart_actions.php',{action:'delete',id:item_id},function(empty)
	{
		if(empty=='empty')
		{
			$('.cart_button').html('<img src="/images/msg.png"> You do not have any items in your cart. <a href="/store/">Continue Shopping.</a>');
			$('.cart_button').removeClass('cart_button').addClass('cart_msg');
		}
	});
	return false;
}

function update_cart_item(item_id)
{
	var quantity = $('#quantity_'+item_id);
	quantity = parseInt(quantity.attr('value'));

	if(quantity<1)
		delete_cart_item(item_id);
	else if(isNaN(quantity))
		return false;
		
	$.post('/cart_actions.php',{action:'update',id:item_id,quantity:quantity},function(new_price)
	{
		$('#price_'+item_id).text(new_price);
	});
}