// JavaScript Document
function doClick(o,a){
		 o.className="nav_current";
	 var j;
	 var id;
	 var e;
	
	 for(var i=1;i<=9;i++){
	   id ="nav"+i;
	   j = document.getElementById(id);
	   e = document.getElementById("sub"+i);
	   if(id != o.id){
			j.className="nav_link";
		e.style.display = "none";
	   }else{
			e.style.display = "block";
	   }
	 }
}

//品牌导航，用户推荐效果
function showhide_divU(showdivid,hidedivid){
    if($(showdivid)!=null){
        $(showdivid).style.display="";
        if(showdivid=='tuijian')
            $(showdivid+"_title").className="nonce";
        else
            $(showdivid+"_title").className="other nonce";
    }
    if($(hidedivid)!=null){
        $(hidedivid).style.display="none";
        if(hidedivid=='pinpai')
            $(hidedivid+"_title").className="other";
        else
            $(hidedivid+"_title").className="";
    }
}


//新品速递中滚动产品条
function ScrollText(content,btnPrevious,btnNext,autoStart)
{
    this.Delay = 10;
    this.LineHeight = 31;
	this.Amount = 1;
	this.Direction = "up";
    this.Timeout = 4000;
    
    this.ScrollContent = this.gid(content);
    this.ScrollContent.innerHTML += this.ScrollContent.innerHTML;
    //this.ScrollContent.scrollTop = 0;

    
    
    if(btnNext)
    {
        this.NextButton = this.gid(btnNext);
        this.NextButton.onclick = this.GetFunction(this,"Next");
        this.NextButton.onmouseover = this.GetFunction(this,"Stop");
        this.NextButton.onmouseout = this.GetFunction(this,"Start");
    }
    if(btnPrevious)
    {
        this.PreviousButton = this.gid(btnPrevious);
        this.PreviousButton.onclick = this.GetFunction(this,"Previous");
        this.PreviousButton.onmouseover = this.GetFunction(this,"Stop");
        this.PreviousButton.onmouseout = this.GetFunction(this,"Start");
    }
    this.ScrollContent.onmouseover = this.GetFunction(this,"Stop");
    this.ScrollContent.onmouseout = this.GetFunction(this,"Start");
    if(autoStart)
    {
        this.Start();
    }
}

ScrollText.prototype.gid = function(element)
{
    return document.getElementById(element);
}

ScrollText.prototype.Previous = function()
{
    clearTimeout(this.AutoScrollTimer);
    clearTimeout(this.ScrollTimer);
    this.Scroll("up");
}

ScrollText.prototype.Next = function()
{
    clearTimeout(this.AutoScrollTimer);
    clearTimeout(this.ScrollTimer);
    this.Scroll("down");
}

ScrollText.prototype.Start = function()
{
    clearTimeout(this.AutoScrollTimer);
    this.AutoScrollTimer = setTimeout(this.GetFunction(this,"AutoScroll"), this.Timeout);
}

ScrollText.prototype.Stop = function()
{
    clearTimeout(this.ScrollTimer);
    clearTimeout(this.AutoScrollTimer);
}

ScrollText.prototype.AutoScroll = function()
{
    if(this.Direction == "up")
    {
        if(parseInt(this.ScrollContent.scrollTop) >= parseInt(this.ScrollContent.scrollHeight) / 2)
        {
            this.ScrollContent.scrollTop = 0;
            clearTimeout(this.AutoScrollTimer);
            this.AutoScrollTimer = setTimeout(this.GetFunction(this,"AutoScroll"), this.Timeout);
            return;
        }
        this.ScrollContent.scrollTop += this.Amount;
    }
    else
    {
        if(parseInt(this.ScrollContent.scrollTop) <= 0)
        {
            this.ScrollContent.scrollTop = parseInt(this.ScrollContent.scrollHeight) / 2;
        }
        this.ScrollContent.scrollTop -= this.Amount;
    }
    if(parseInt(this.ScrollContent.scrollTop) % this.LineHeight != 0)
    {
        this.ScrollTimer = setTimeout(this.GetFunction(this,"AutoScroll"), this.Delay);
    }
    else
    {        
        this.AutoScrollTimer = setTimeout(this.GetFunction(this,"AutoScroll"), this.Timeout);
    }
}

ScrollText.prototype.Scroll = function(direction)
{
    if(direction=="up")
    {
        if(this.ScrollContent.scrollTop == 0)
        {
            this.ScrollContent.scrollTop = parseInt(this.ScrollContent.scrollHeight) / 2;
        }
        this.ScrollContent.scrollTop -= this.Amount;
    }
    else
    {
        this.ScrollContent.scrollTop += this.Amount;
    }
    if(parseInt(this.ScrollContent.scrollTop) >= parseInt(this.ScrollContent.scrollHeight) / 2)
        {
            this.ScrollContent.scrollTop = 0;
        }
    if(parseInt(this.ScrollContent.scrollTop) % this.LineHeight != 0)
    {
        this.ScrollTimer = setTimeout(this.GetFunction(this,"Scroll",direction), this.Delay);
    }
}

ScrollText.prototype.GetFunction = function(variable,method,param)
{
    return function()
    {
        variable[method](param);
    }
}



function isIE_c(){
    if(window.navigator.userAgent.toLowerCase().indexOf("msie 8.0")>1)
        return false;
   return window.navigator.userAgent.toLowerCase().indexOf("msie")>=1?true:false;
}

function isIE_8(){
    if(window.navigator.userAgent.toLowerCase().indexOf("msie 8.0")>1)
        return true;
    else
        return false;
}