// JavaScript Document 

/*
	初始化切换菜单面板的方法
	需要切换面板的铵钮元素为li, class为tabNav
	切换面板的内容元素为div, class为tabItem
	id: 面板库的总ID
	tabNav的元素个数必需与tabItem的个数一致
	切换面板的菜单必需为a元素，激活样式为curr
*/
function initTabs(id)
{

	var dom = document.getElementById(id);
	var t_navs = dom.getElementsByTagName("LI");
	var t_tabs = dom.getElementsByTagName("DIV");
	
	var navs = Array();
	var tabs = Array();
	
	for(var i=0;i<t_navs.length;i++)
	{
		if(t_navs[i].className == "tabNav")
		{
			navs.push(t_navs[i]);	
		}
	}
	
	for(var i=0;i<t_tabs.length;i++)
	{
		if(t_tabs[i].className == "tabItem")
		{
			tabs.push(t_tabs[i]);	
		}
	}

	for(var i=0;i<navs.length;i++)
	{
			if(i==0) //当第一个按钮时将按钮内的a设为curr
			{
				var a_els = navs[i].getElementsByTagName("A");
				for(var j=0;j<a_els.length;j++)
				{
						a_els[j].className = "curr";
				}
				tabs[i].style.display = "block";
			}			
			else
			{
				var a_els = navs[i].getElementsByTagName("A");
				for(var j=0;j<a_els.length;j++)
				{
						a_els[j].className = "";
				}
				tabs[i].style.display = "none";
			}
			navs[i].onclick =function(){ swap_tab(this, id); } //绑定事件

	}
}

function swap_tab(obj,id)
{
	var dom = document.getElementById(id);
	var t_navs = dom.getElementsByTagName("LI");
	var t_tabs = dom.getElementsByTagName("DIV");
	
	var navs = Array();
	var tabs = Array();
	
	for(var i=0;i<t_navs.length;i++)
	{
		if(t_navs[i].className == "tabNav")
		{
			navs.push(t_navs[i]);	
		}
	}
	
	for(var i=0;i<t_tabs.length;i++)
	{
		if(t_tabs[i].className == "tabItem")
		{
			tabs.push(t_tabs[i]);	
		}
	}
	
	for(var i=0;i<navs.length;i++)
	{
		if(obj==navs[i])
		{
			var a_els = navs[i].getElementsByTagName("A");
			for(var j=0;j<a_els.length;j++)
			{
					a_els[j].className = "curr";
			}	
			
			tabs[i].style.display="block";
		}
		else
		{
			var a_els = navs[i].getElementsByTagName("A");
			for(var j=0;j<a_els.length;j++)
			{
					a_els[j].className = "";
			}	
			tabs[i].style.display="none";
		}
	}
	
}


//无间断滚动
function Marquee()
{
	this.ID = document.getElementById(arguments[0]);
	if(!this.ID)
	{
		alert("您要设置的\"" + arguments[0] + "\"初始化错误\r\n请检查标签ID设置是否正确!");
		this.ID = -1;
		return;
	}
	this.Direction = this.Width = this.Height = this.DelayTime = this.WaitTime = this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
	this.Step = 1;
	this.Timer = 30;
	this.DirectionArray = {"top":0 , "up":0 , "bottom":1 , "down":1 , "left":2 , "right":3};
	if(typeof arguments[1] == "number" || typeof arguments[1] == "string")this.Direction = arguments[1];
	if(typeof arguments[2] == "number")this.Step = arguments[2];
	if(typeof arguments[3] == "number")this.Width = arguments[3];
	if(typeof arguments[4] == "number")this.Height = arguments[4];
	if(typeof arguments[5] == "number")this.Timer = arguments[5];
	if(typeof arguments[6] == "number")this.DelayTime = arguments[6];
	if(typeof arguments[7] == "number")this.WaitTime = arguments[7];
	if(typeof arguments[8] == "number")this.ScrollStep = arguments[8];
	this.ID.style.overflow = this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
	this.ID.noWrap = true;
	this.IsNotOpera = (navigator.userAgent.toLowerCase().indexOf("opera") == -1);
	if(arguments.length >= 7)this.Start();
}

Marquee.prototype.Start = function()
{
	if(this.ID == -1)return;
	if(this.WaitTime < 800)this.WaitTime = 800;
	if(this.Timer < 20)this.Timer = 20;
	if(this.Width == 0)this.Width = parseInt(this.ID.style.width);
	if(this.Height == 0)this.Height = parseInt(this.ID.style.height);
	if(typeof this.Direction == "string")this.Direction = this.DirectionArray[this.Direction.toString().toLowerCase()];
	this.HalfWidth = Math.round(this.Width / 2);
	this.HalfHeight = Math.round(this.Height / 2);
	this.BakStep = this.Step;
	this.ID.style.width = this.Width + "px";
	this.ID.style.height = this.Height + "px";
	if(typeof this.ScrollStep != "number")this.ScrollStep = this.Direction > 1 ? this.Width : this.Height;
	var templateLeft = "<table cellspacing='0' cellpadding='0' style='border-collapse:collapse;display:inline;'><tr><td noWrap=true style='white-space: nowrap;word-break:keep-all;'>MSCLASS_TEMP_HTML</td><td noWrap=true style='white-space: nowrap;word-break:keep-all;'>MSCLASS_TEMP_HTML</td></tr></table>";
	var templateTop = "<table cellspacing='0' cellpadding='0' style='border-collapse:collapse;'><tr><td>MSCLASS_TEMP_HTML</td></tr><tr><td>MSCLASS_TEMP_HTML</td></tr></table>";
	var msobj = this;
	msobj.tempHTML = msobj.ID.innerHTML;
	if(msobj.Direction <= 1)
	{
		msobj.ID.innerHTML = templateTop.replace(/MSCLASS_TEMP_HTML/g,msobj.ID.innerHTML);
	}
	else
	{
		if(msobj.ScrollStep == 0 && msobj.DelayTime == 0)
		{
			msobj.ID.innerHTML += msobj.ID.innerHTML;
		}
		else
		{
			msobj.ID.innerHTML = templateLeft.replace(/MSCLASS_TEMP_HTML/g,msobj.ID.innerHTML);
		}
	}
	var timer = this.Timer;
	var delaytime = this.DelayTime;
	var waittime = this.WaitTime;
	msobj.StartID = function(){msobj.Scroll()}
	msobj.Continue = function()
				{
					if(msobj.MouseOver == 1)
					{
						setTimeout(msobj.Continue,delaytime);
					}
					else
					{	clearInterval(msobj.TimerID);
						msobj.CTL = msobj.Stop = 0;
						msobj.TimerID = setInterval(msobj.StartID,timer);
					}
				}

	msobj.Pause = function()
			{
				msobj.Stop = 1;
				clearInterval(msobj.TimerID);
				setTimeout(msobj.Continue,delaytime);
			}

	msobj.Begin = function()
		{
			msobj.ClientScroll = msobj.Direction > 1 ? msobj.ID.scrollWidth / 2 : msobj.ID.scrollHeight / 2;
			if((msobj.Direction <= 1 && msobj.ClientScroll <= msobj.Height + msobj.Step) || (msobj.Direction > 1 && msobj.ClientScroll <= msobj.Width + msobj.Step))			{
				msobj.ID.innerHTML = msobj.tempHTML;
				delete(msobj.tempHTML);
				return;
			}
			delete(msobj.tempHTML);
			msobj.TimerID = setInterval(msobj.StartID,timer);
			if(msobj.ScrollStep < 0)return;
			msobj.ID.onmousemove = function(event)
						{
							if(msobj.ScrollStep == 0 && msobj.Direction > 1)
							{
								var event = event || window.event;
								if(window.event)
								{
									if(msobj.IsNotOpera)
									{
										msobj.EventLeft = event.srcElement.id == msobj.ID.id ? event.offsetX - msobj.ID.scrollLeft : event.srcElement.offsetLeft - msobj.ID.scrollLeft + event.offsetX;
									}
									else
									{
										msobj.ScrollStep = null;
										return;
									}
								}
								else
								{
									msobj.EventLeft = event.layerX - msobj.ID.scrollLeft;
								}
								msobj.Direction = msobj.EventLeft > msobj.HalfWidth ? 3 : 2;
								msobj.AbsCenter = Math.abs(msobj.HalfWidth - msobj.EventLeft);
								msobj.Step = Math.round(msobj.AbsCenter * (msobj.BakStep*2) / msobj.HalfWidth);
							}
						}
			msobj.ID.onmouseover = function()
						{
							if(msobj.ScrollStep == 0)return;
							msobj.MouseOver = 1;
							clearInterval(msobj.TimerID);
						}
			msobj.ID.onmouseout = function()
						{
							if(msobj.ScrollStep == 0)
							{
								if(msobj.Step == 0)msobj.Step = 1;
								return;
							}
							msobj.MouseOver = 0;
							if(msobj.Stop == 0)
							{
								clearInterval(msobj.TimerID);
								msobj.TimerID = setInterval(msobj.StartID,timer);
							}
						}
		}
	setTimeout(msobj.Begin,waittime);
}

Marquee.prototype.Scroll = function()
{
	switch(this.Direction)
	{
		case 0:
			this.CTL += this.Step;
			if(this.CTL >= this.ScrollStep && this.DelayTime > 0)
			{
				this.ID.scrollTop += this.ScrollStep + this.Step - this.CTL;
				this.Pause();
				return;
			}
			else
			{
				if(this.ID.scrollTop >= this.ClientScroll)
				{
					this.ID.scrollTop -= this.ClientScroll;
				}
				this.ID.scrollTop += this.Step;
			}
		break;

		case 1:
			this.CTL += this.Step;
			if(this.CTL >= this.ScrollStep && this.DelayTime > 0)
			{
				this.ID.scrollTop -= this.ScrollStep + this.Step - this.CTL;
				this.Pause();
				return;
			}
			else
			{
				if(this.ID.scrollTop <= 0)
				{
					this.ID.scrollTop += this.ClientScroll;
				}
				this.ID.scrollTop -= this.Step;
			}
		break;

		case 2:
			this.CTL += this.Step;
			if(this.CTL >= this.ScrollStep && this.DelayTime > 0)
			{
				this.ID.scrollLeft += this.ScrollStep + this.Step - this.CTL;
				this.Pause();
				return;
			}
			else
			{
				if(this.ID.scrollLeft >= this.ClientScroll)
				{
					this.ID.scrollLeft -= this.ClientScroll;
				}
				this.ID.scrollLeft += this.Step;
			}
		break;

		case 3:
			this.CTL += this.Step;
			if(this.CTL >= this.ScrollStep && this.DelayTime > 0)
			{
				this.ID.scrollLeft -= this.ScrollStep + this.Step - this.CTL;
				this.Pause();
				return;
			}
			else
			{
				if(this.ID.scrollLeft <= 0)
				{
					this.ID.scrollLeft += this.ClientScroll;
				}
				this.ID.scrollLeft -= this.Step;
			}
		break;
	}
}


/*切换产品图库*/
function sw_goodsimg(obj,idx,bigimg)
{
	var bigimgs = $(".goodsimg");
	for(var i=0;i<bigimgs.length;i++)
	{
		if(i==idx)
		{
			$(bigimgs[i]).fadeIn();
			//bigimgs[i].style.display = "block";
			document.getElementById("linkzoom").href = bigimg;
		}
		else
		{
			//$(bigimgs[i]).fadeIn();
			bigimgs[i].style.display = "none";
		}
	}
	
	var aels = document.getElementById("goods_gallery").getElementsByTagName("A");
	for(var i=0;i<aels.length;i++)
	{
		if(obj==aels[i])
		{
			aels[i].className = "curr";	
		}
		else
		{
			aels[i].className = "";		
		}
	}
}




function obj2str(o)
{		
		    var r = [];
			if(typeof o =="string") return "\""+o.replace(/([\'\"\\])/g,"\\$1").replace(/(\n)/g,"\\n").replace(/(\r)/g,"\\r").replace(/(\t)/g,"\\t")+"\"";
			if(typeof o =="undefined") return "undefined";
			if(typeof o == "object"){				
				if(o===null) return "null";
				else if(!o.sort){
					for(var i in o)
					{		
						if(i!="toJSONString") //增加判断，清除对object原型的定义加入到json中
						r.push("\""+i+"\""+":"+obj2str(o[i]));
					}
					r="{"+r.join()+"}";
				}else{
					for(var i =0;i<o.length;i++)
						r.push(obj2str(o[i]))
					r="["+r.join()+"]"
				}
				return r;
			}
			return o.toString();
		//结束			
}
	
//用于定时器的自动滚动的层
lastScrollY=0;
function flowdiv(domid){
　　　var diffY;
　　　　if (document.documentElement && document.documentElement.scrollTop)
　　　　　　diffY = document.documentElement.scrollTop;
　　　　else if (document.body)
　　　　　　diffY = document.body.scrollTop
　　　　else
　　　　　　{/*Netscape stuff*/}
　　　　//alert(diffY);
　　　　percent=.1*(diffY-lastScrollY); 
　　　　if(percent>0) percent=Math.ceil(percent); 
　　　　else percent=Math.floor(percent); 
　　　　document.getElementById(domid).style.top=parseInt(document.getElementById(domid).style.top)+percent+"px";
　　　　lastScrollY=lastScrollY+percent; 
　　　　//alert(lastScrollY);
}



	
//下面开始重写调用tojson的一些ajax方法，主要针对common.js

/* *
 * 添加商品到购物车
 */
function addToCart(goodsId, parentId)
{
  var goods        = new Object();
  var spec_arr     = new Array();
  var number       = 1;
  var formBuy      = document.forms['ECS_FORMBUY'];
  var fittings_arr = new Array();
  
  //开始获取选购的配件, 配件的表单元素类名为fittings_ids
  var fittings_box = document.getElementById("fittings_box");
  if(fittings_box!=null)
  {
	  var fittings_cbos = fittings_box.getElementsByTagName("INPUT");
	  for(var i=0;i<fittings_cbos.length;i++)
	  {
		  if(fittings_cbos[i].className = "fittings_ids")
		  {
			  if(fittings_cbos[i].value!=0&&fittings_cbos[i].value!="")
			  fittings_arr.push(fittings_cbos[i].value);
		  }
	  }
  }
 

  // 检查是否有商品规格
  if (formBuy)
  {
    spec_arr = getSelectedAttributes(formBuy);
    

    if (formBuy.elements['number'])
    {
      number = formBuy.elements['number'].value;
    }
  }

  goods.spec     = spec_arr;
  goods.goods_id = goodsId;
  goods.number   = number;
  goods.parent   = (typeof(parentId) == "undefined") ? 0 : parseInt(parentId);
  goods.fittings_arr = fittings_arr; 

  Ajax.call('flow.php?step=add_to_cart', 'goods=' + obj2str(goods), addToCartResponse, 'POST', 'JSON');
}


/* 批量购买 
* 用于同属性商品的批量购买。 其中商品属性沿用当前页的商品属性
* 所需条件: 面页需有一个ids_box的元素。存放所有的goodsid, 存放goodsID的必需在ids_box中为hidden表单元素。同时必需有名称为number_[goodsid]的表单元素面放购买数量
*/
function addAllToCart()
{
	var goodsIds = new Array();
	var ids_box = document.getElementById("ids_box").getElementsByTagName("INPUT");
	var formBuy      = document.forms['ECS_FORMBUY'];
	for(var i=0;i<ids_box.length;i++)
	{
		if(ids_box[i].type=="hidden")
		{
				// 检查是否有商品数量大于0，添加到购物车
			  if (formBuy)
			  {
				if (formBuy.elements['number_'+ids_box[i].value]&&formBuy.elements['number_'+ids_box[i].value].value>0)
				{
					 goodsIds.push(ids_box[i].value);
				}
			  }			
		}
	}
	
	var goods_all = new Array(); //用于提交购买的商品数组
	for(var k=0;k<goodsIds.length;k++)
	{
			  var goods        = new Object();
			  var spec_arr     = new Array();
			  var number       = 1;
			 
			
			 
			
			  // 检查是否有商品规格
			  if (formBuy)
			  {
				spec_arr = getSelectedAttributes(formBuy);
				
			
				if (formBuy.elements['number_'+goodsIds[k]])
				{
				  number = formBuy.elements['number_'+goodsIds[k]].value;
				}
			  }
			
			  goods.spec     = spec_arr;
			  goods.goods_id = goodsIds[k];
			  goods.number   = number;
			  goods.parent   = (typeof(parentId) == "undefined") ? 0 : parseInt(parentId);

			  goods_all.push(goods);
			  
	}
	Ajax.call('flow.php?step=add_all_to_cart', 'goods=' + obj2str(goods_all), addToCartResponse, 'POST', 'JSON');

}
/* *
 * 添加礼包到购物车
 */
function addPackageToCart(packageId)
{
  var package_info = new Object();
  var number       = 1;

  package_info.package_id = packageId
  package_info.number     = number;

  Ajax.call('flow.php?step=add_package_to_cart', 'package_info=' + obj2str(package_info), addPackageToCartResponse, 'POST', 'JSON');
}


//生成属性选择层
function openSpeDiv(message, goods_id, parent) 
{
  var _id = "speDiv";
  var m = "mask";
  if (docEle(_id)) document.removeChild(docEle(_id));
  if (docEle(m)) document.removeChild(docEle(m));
  //计算上卷元素值
  var scrollPos; 
  if (typeof window.pageYOffset != 'undefined') 
  { 
    scrollPos = window.pageYOffset; 
  } 
  else if (typeof document.compatMode != 'undefined' && document.compatMode != 'BackCompat') 
  { 
    scrollPos = document.documentElement.scrollTop; 
  } 
  else if (typeof document.body != 'undefined') 
  { 
    scrollPos = document.body.scrollTop; 
  }

  var i = 0;
  var sel_obj = document.getElementsByTagName('select');
  while (sel_obj[i])
  {
    sel_obj[i].style.visibility = "hidden";
    i++;
  }

  // 新激活图层
  var newDiv = document.createElement("div");
  newDiv.id = _id;
  newDiv.style.position = "absolute";
  newDiv.style.zIndex = "10000";
  newDiv.style.width = "350px";
  newDiv.style.height = "250px";
  newDiv.style.top = (parseInt(scrollPos + 200)) + "px";
  newDiv.style.left = (parseInt(document.body.offsetWidth) - 400) / 2 + "px"; // 屏幕居中
  newDiv.style.overflow = "auto"; 
  newDiv.style.background = "#FFF";
  newDiv.style.border = "10px solid #565662";
  newDiv.style.padding = "5px";

  //生成层内内容
  newDiv.innerHTML = '<h4 style="font-size:14; margin:15 0 0 15;">' + select_spe + "</h4>";

  for (var spec = 0; spec < message.length; spec++)
  {
      newDiv.innerHTML += '<hr style="color: #B4B4B4; height:1px;"><h6 style="text-align:left; background:#ffffff; margin-left:15px; font-size:12px;">' +  message[spec]['name'] + '</h6>';

      if (message[spec]['attr_type'] == 1)
      {
        for (var val_arr = 0; val_arr < message[spec]['values'].length; val_arr++)
        {
          if (val_arr == 0)
          {
            newDiv.innerHTML += "<input style='margin-left:15px;' type='radio' name='spec_" + message[spec]['attr_id'] + "' value='" + message[spec]['values'][val_arr]['id'] + "' id='spec_value_" + message[spec]['values'][val_arr]['id'] + "' checked /><font color=#555555>" + message[spec]['values'][val_arr]['label'] + '</font> [' + message[spec]['values'][val_arr]['format_price'] + ']</font><br />';      
          }
          else
          {
            newDiv.innerHTML += "<input style='margin-left:15px;' type='radio' name='spec_" + message[spec]['attr_id'] + "' value='" + message[spec]['values'][val_arr]['id'] + "' id='spec_value_" + message[spec]['values'][val_arr]['id'] + "' /><font color=#555555>" + message[spec]['values'][val_arr]['label'] + '</font> [' + message[spec]['values'][val_arr]['format_price'] + ']</font><br />';      
          }
        } 
        newDiv.innerHTML += "<input type='hidden' name='spec_list' value='" + val_arr + "' />";
      }
      else
      {
        for (var val_arr = 0; val_arr < message[spec]['values'].length; val_arr++)
        {
          newDiv.innerHTML += "<input style='margin-left:15px;' type='checkbox' name='spec_" + message[spec]['attr_id'] + "' value='" + message[spec]['values'][val_arr]['id'] + "' id='spec_value_" + message[spec]['values'][val_arr]['id'] + "' /><font color=#555555>" + message[spec]['values'][val_arr]['label'] + ' [' + message[spec]['values'][val_arr]['format_price'] + ']</font><br />';     
        }
        newDiv.innerHTML += "<input type='hidden' name='spec_list' value='" + val_arr + "' />";
      }
  }
  newDiv.innerHTML += "<br /><center><a href='javascript:submit_div(" + goods_id + "," + parent + ")' style='background:#e6eaf3; padding:3px 5px; margin:0 3px; border:#b4b4b4 solid 1px;' >" + btn_buy + "</a>&nbsp;&nbsp;<a href='javascript:cancel_div()' style='background:#e6eaf3; padding:3px 5px; margin:0 3px; border:#b4b4b4 solid 1px;' >" + is_cancel + "</a></center>";
  document.body.appendChild(newDiv);


  // mask图层
  var newMask = document.createElement("div");
  newMask.id = m;
  newMask.style.position = "absolute";
  newMask.style.zIndex = "9999";
  newMask.style.width = document.body.scrollWidth + "px";
  newMask.style.height = document.body.scrollHeight + "px";
  newMask.style.top = "0px";
  newMask.style.left = "0px";
  newMask.style.background = "#4C4C4C";
  newMask.style.filter = "alpha(opacity=30)";
  newMask.style.opacity = "0.40";
  document.body.appendChild(newMask);
} 


//获取选择属性后，再次提交到购物车
function submit_div(goods_id, parentId) 
{
  var goods        = new Object();
  var spec_arr     = new Array();
  var fittings_arr = new Array();
  var number       = 1;
  var input_arr      = document.getElementsByTagName('input'); 
  var quick		   = 1;

  var spec_arr = new Array();
  var j = 0;

  for (i = 0; i < input_arr.length; i ++ )
  {
    var prefix = input_arr[i].name.substr(0, 5);

    if (prefix == 'spec_' && (
      ((input_arr[i].type == 'radio' || input_arr[i].type == 'checkbox') && input_arr[i].checked)))
    {
      spec_arr[j] = input_arr[i].value;
      j++ ;
    }
  }

  goods.quick    = quick;
  goods.spec     = spec_arr;
  goods.goods_id = goods_id;
  goods.number   = number;
  goods.parent   = (typeof(parentId) == "undefined") ? 0 : parseInt(parentId);

  Ajax.call('flow.php?step=add_to_cart', 'goods=' + obj2str(goods), addToCartResponse, 'POST', 'JSON');

  document.body.removeChild(docEle('speDiv'));
  document.body.removeChild(docEle('mask'));

  var i = 0;
  var sel_obj = document.getElementsByTagName('select');
  while (sel_obj[i])
  {
    sel_obj[i].style.visibility = "";
    i++;
  }

}
function killerrors() { 
return true; 
} 
window.onerror = killerrors;