function defaultImg(o){
	var s = "";
	var src = o.src;
	var str = src.split("/");
	var img = str[str.length-1].split("_");
	for (i=0;m=str.length,i<m-1;i++){
		s += str[i]+ "/";
	}
	s += "_"+img[1];
	o.src = s;
}

function sub_good2pack(o){
	var id  = o.id;
	var tmp = $("#pd_"+id).val();
	var d   = $("#good_in_package").val();
	var p   = parseFloat($("#pPay").val());
	tmp		= tmp.split('|');
	var h   = '<img src="'+tmp[2]+id+'_b.jpg" width="80" height="80" border="0"><br />'+tmp[0]+'<br />市场价：<span id="package_pri_'+id+'">'+tmp[1]+'</span>元<Br /><input type="image" src="images/out_del.jpg" onclick="remove_good_from_pack(this)" id="'+id+'">';

	$("div.package_cart_goods").each(function (){
		if ( !$(this).children().is('input') ){
			$(this).html(h);
			d += d==''?id:'|'+id;
			$("#good_in_package").val(d);
			$("#pPay").val(p + parseFloat(tmp[1]));
			return false;
		}
	});
	
	var f = d.split('|');
	var m = '已放入<font>'+f.length+'</font>件商品<br>总价<font>'+parseFloat($("#pPay").val()).toFixed(2)+'</font>元';
	$("#package_num").html(m);
	if ( f.length == $("#pNum").val() ){
		$("#sub_pack").attr('disabled',false);
	}
}

function remove_good_from_pack(o){
	var h = '<img src="images/xx.jpg" width="80" height="80" border="0">';
	var p = parseFloat($('#package_pri_'+o.id).html());
	var d = $("#good_in_package").val();
	$(o).parent().html(h)
	
	var t = d.split('|');
	for ( i in t ){ 
		if ( t[i] == o.id ){
			t.splice(i,1);
		}
	}
	
	var l = parseFloat($("#pPay").val())-p;
	l = (l < 0 ? 0 : l).toFixed(2)
	$("#pPay").val(l);
	var m = '已放入<font>'+t.length+'</font>件商品<br>总价<font>'+l+'</font>元';
	$("#package_num").html(m);
	d = t.join('|');
	$("#good_in_package").val(d);
	
	$("#sub_pack").attr('disabled',true);
}

// 提交礼包，参数 礼包数量
function sub_package(n){
	var d   = $("#good_in_package").val();
	var t   = d.split('|');

	if ( t.length != n ){
		alert('礼包数量不足，无法放入购物车');
		return false;
	}
	
	var h = '<img src="images/xx.jpg" width="80" height="80" border="0">';
	$("div.package_cart_goods").each(function (){
		$(this).html(h);
		$("#good_in_package").val('')
	});
	
	
	var p   = $("#jPack").val();
	$.post('set_cart.php?'+Math.random(), {package:p,d:d}, function (t){
		//var mess = t.replace(/[^0-9a-z]/g,'');
		var mess = t;
		if (mess=="out"){
			alert("您的购物车中已存在不同折扣阶段的本件商品，请先结算后再购买！");
		}else if (mess==''){
			alert("您输入的商品数量有误！");
		}else if (mess==400){
			alert("您的购物车已满！您只能修改商品数量，无法再放入新商品！\r\n欲选购更多商品，请先付款生成订单后，再下新订单。谢谢！");
		}else{
			alert("您选中的商品已放入购物车！");
			window.open('cart.php?'+Math.random(),'_blank','');
			//alert(mess);
		}								 
    });
}