// JavaScript Document
function addBuyCar(id,price){
	var buyCar = getCookie("BuyCar");
	var buyPrice = getCookie("BuyPrice");
	if(!buyCar || buyCar == "" ){
		buyCar = id + "";
	}else{
		if(("," + buyCar + ",").indexOf("," + id + ",") != -1){
			alert("抱歉，该商品已经加入购物车！");
			return;
		}
		buyCar += "," + id;
	}
	setCookie("BuyCar",buyCar);
	$("#buyCar").html((buyCar.indexOf(",") != -1) ? buyCar.split(",").length : 1);

	if(!buyPrice || buyPrice == "" )
		buyPrice = price;
	else
		buyPrice = parseInt(buyPrice) + price;
	setCookie("BuyPrice",buyPrice);
	$("#buyPrice").html(buyPrice);

	alert("商品成功加入购物车！");
}

function delBuyCar(id,price){
	var buyCar = getCookie("BuyCar");
	var buyPrice = getCookie("BuyPrice");
	buyCar = ("," + buyCar + ",").replace("," + id + ",",",");
	buyCar = (buyCar == ",") ? "" : buyCar.replace(/^,|,$/gi,"");

	setCookie("BuyCar",buyCar);
	$("#buyCar").html((buyCar.indexOf(",") != -1) ? buyCar.split(",").length : 1);

	setCookie("BuyPrice",buyPrice - price);
	$("#buyPrice").html(buyPrice - price);
}