var PRODUCT_DOMAIN = "http://product.dconline.com.cn/";
var ITPAPER_DOMAIN = "http://itpaper.dconline.com.cn/";
var PICPATH = "http://icon.dconline.com.cn/product/s_product/pic/";
var MAIN_DOMAIN = "http://www.dconline.com.cn";
var ITPAPER_DOMAIN ="http://itpaper.dconline.com.cn";

//document.write('<iframe id="iframe" frameborder="0" scrolling="no" style="position:absolute;z-index:0;display:none;"></iframe>');
function isEmptyObj(obj){
        return ((function(){for(var k in obj)return k})()!=null?true:false)
   }

function nTabs(thisObj,Num,bc,ec){
	var tabObj = thisObj.parentNode.id; //myTab1
	var tabList = document.getElementById(tabObj).getElementsByTagName("li");
	var gaga='';
	var hehe;
	var sz=new Array();
	for(j=0;j<tabList.length;j++){
		gaga = tabList[j].className.substr(tabList[0].className.length-1,1);
		sz[gaga] = tabList[j];
	}
	
	for(i=0; i <4; i++)
	{
	  if (i == Num)
	  {
	   thisObj.className = bc+Num; //tab1_active
		  document.getElementById(tabObj+"_Content"+i).style.display = "block";
	  }else{
		   if(isEmptyObj(document.getElementById(tabObj+"_Content"+i))){
				document.getElementById(tabObj+"_Content"+i).style.display = "none";
				sz[i].className = 'tab2_normal'+i;
		  }
	  }
	} 
}
//产品最终页选项卡
function nTabs_profinal(thisObj,Num,bc,ec){
	var tabObj = thisObj.parentNode.id; //myTab1
	var tabList = document.getElementById(tabObj).getElementsByTagName("li");
	var gaga='';
	var hehe;
	var sz=new Array();
	for(j=0;j<tabList.length;j++){
		gaga = tabList[j].className.substr(tabList[0].className.length-1,1);
		sz[gaga] = tabList[j];
	}
	
	for(i=0; i <4; i++)
	{
	  if (i == Num)
	  {
	   thisObj.className = bc+Num; //tab1_active
		  document.getElementById(tabObj+"_Content"+i).style.display = "block";
	  }else{
		   if(isEmptyObj(document.getElementById(tabObj+"_Content"+i))){
				document.getElementById(tabObj+"_Content"+i).style.display = "none";
				sz[i].className = 'tab1_normal'+i;
		  }
	  }
	} 
}

/*
var menuids=["treemenu1"] 
function buildsubmenus_horizontal(){
	var iframe = document.getElementById('iframe');
	for (var i=0; i<menuids.length; i++){
		var ultags=document.getElementById(menuids[i]).getElementsByTagName("ul")
		for (var t=0; t<ultags.length; t++){
			if (ultags[t].parentNode.parentNode.id==menuids[i]){ 
				ultags[t].style.top=ultags[t].parentNode.offsetHeight+"px" 
				ultags[t].parentNode.getElementsByTagName("a")[0].className="mainfoldericon"
			}
			else{
				ultags[t].style.left=ultags[t-1].getElementsByTagName("a")[0].offsetWidth+"px" 
				ultags[t].parentNode.getElementsByTagName("a")[0].className="subfoldericon"
			}
			
			//ultags[t].style.zIndex=9999;
			
			ultags[t].parentNode.onmouseover=function(){
				var ul = this.getElementsByTagName("ul")[0];
				var p = getposition(ul);
				iframe.style.left = p['x']+1+'px';
				iframe.style.top = p['y']+'px';
				iframe.style.height = ul.offsetHeight+'px';
				iframe.style.width = ul.offsetWidth+'px';
				iframe.style.display = "";
				//iframe.style.zIndex=1;
				ul.style.position="absolute";
				ul.style.zIndex=99;
				ul.style.visibility="visible"
			}
			ultags[t].parentNode.onmouseout=function(){
				var ul=this.getElementsByTagName("ul")[0];
				iframe.style.display = "none";
				ul.style.visibility="hidden"
			}
		}
	}
}

function getposition(obj)
{
	var r = new Array();
	r['x'] = obj.offsetLeft;
	r['y'] = obj.offsetTop;
	while(obj = obj.offsetParent)
	{
		r['x'] += obj.offsetLeft;
		r['y'] += obj.offsetTop;
	}
	return r;
}


if (window.addEventListener)
	window.addEventListener("load", buildsubmenus_horizontal, false)
else if (window.attachEvent)
	window.attachEvent("onload", buildsubmenus_horizontal)
*/
/*
function tab(thisObj,Num){
   var tabList = document.getElementById("top").getElementsByTagName("li");
   if(Num == 1){
	pdlogin_new('http://product.dconline.com.cn/files/myaccount.php');
   }
	for(i=0; i <tabList.length; i++)
	{
	  if (i == Num)
	  {  
	  	  tabList[i].className= 'xxk_act'; //tab1_active
		  document.getElementById("tabObj_Content"+i).style.display = "block";
	  }else{
	     tabList[i].className = 'xxk_nor'; //tab1_active
		document.getElementById("tabObj_Content"+i).style.display = "none";
	  }
	} 
}*/
function tab(thisObj,Num,bc,ec){
	var tabObj = thisObj.parentNode.id; //myTab1
	var tabList = document.getElementById(tabObj).getElementsByTagName("li");
	var gaga='';
	var hehe;
	var sz=new Array();
	for(j=0;j<tabList.length;j++){
		gaga = tabList[j].className.substr(tabList[0].className.length-1,1);
		sz[gaga] = tabList[j];
	}
	
	for(i=0; i <4; i++)
	{
	  if (i == Num)
	  {
	   thisObj.className = bc+Num; //tab1_active
		  document.getElementById(tabObj+"_Content"+i).style.display = "block";
	  }else{
		   if(isEmptyObj(document.getElementById(tabObj+"_Content"+i))){
				document.getElementById(tabObj+"_Content"+i).style.display = "none";
				sz[i].className = 'tab6_normal'+i;
		  }
	  }
	} 
}

document.write('<iframe id="MenuIframe1" frameborder="0" scrolling="no" style="position:absolute;z-index:98;display:none;"></iframe>');
document.write('<iframe id="MenuIframe2" frameborder="0" scrolling="no" style="position:absolute;z-index:99;display:none;"></iframe>');
layer_hidden=function(obj,id,v)
{
	var o=document.getElementById(id);
	if(o)
	{
		o.style.display=v;
		if(obj!=null)
		{	
			try{
			if(v=='block')
			{
				
				document.getElementById(id+"_1").style.color = "#ccc";
			}
			else
			{
				
				document.getElementById(id+"_1").style.color = "#fff";
				
			}
			}catch(e){
			}
		}
		else
		{		
			if(v=='block')
			{
				if(document.all)
				{
					o.style.top=o.parentNode.offsetTop+"px";
					o.style.left=o.parentNode.offsetLeft+252+"px";
				}
				else
				{
					var i=id.replace('layer_','')-1;
					o.style.top=o.parentNode.offsetTop+(i*30)-30+"px";
					o.style.left=o.parentNode.offsetLeft+152+"px";
				}
			}
		}
		if(document.all)
		{
			var MenuIframe1 = document.getElementById('MenuIframe1');
			var MenuIframe2 = document.getElementById('MenuIframe2');
			if(v=='block')
			{
				var p=getposition(o);
				if(obj!=null)
				{
					MenuIframe1.style.top =p['y']+'px';
					MenuIframe1.style.left = p['x']+'px';
					MenuIframe1.style.height =o.offsetHeight+'px';
					MenuIframe1.style.width = o.offsetWidth+'px';
					MenuIframe1.style.display = 'block';
				}
				else
				{
					MenuIframe2.style.top =p['y']+1+'px';
					MenuIframe2.style.left = p['x']+'px';
					MenuIframe2.style.height =o.scrollHeight+'px';
					MenuIframe2.style.width = o.scrollWidth+'px';
					MenuIframe2.style.display = 'block';
				}
			}
			else
			{
				MenuIframe1.style.display = 'none';
				MenuIframe2.style.display = 'none';
			}
		}
		
	}
}

function getposition(obj)
{
	var r = new Array();
	r['x'] = obj.offsetLeft;
	r['y'] = obj.offsetTop;
	while(obj = obj.offsetParent)
	{
		r['x'] += obj.offsetLeft;
		r['y'] += obj.offsetTop;
	}
	return r;
}