// 漂浮广告
var lastScrollY=0;
function FloatingAd(value)
{
	diffY=document.documentElement.scrollTop;
	percent=0.1*(diffY-lastScrollY); 
	if(percent>0)
	{
		percent=Math.ceil(percent);
	}
	else
	{
		percent=Math.floor(percent);
	}
	document.getElementById(value).style.top=parseInt(document.getElementById(value).style.top)+percent+"px";
	lastScrollY=lastScrollY+percent;
}

// 漂浮QQ
function FloatingQQ(value)
{
    if(value == "Logo")
    {
        document.getElementById("FloatingQQLogo").style.display = "none";
	    document.getElementById("FloatingQQList").style.display = "block";
	}
	else if(value == "List")
	{
	    document.getElementById("FloatingQQLogo").style.display = "block";
	    document.getElementById("FloatingQQList").style.display = "none";
	}
}

// 产品分类
function ProductClass(value)
{
    if(document.getElementById("Large" + value).className == "Hover")
    {
        document.getElementById("Large" + value).className = "";
        document.getElementById("Small" + value).style.display = "none";
	}
	else
	{
	    document.getElementById("Large" + value).className = "Hover";
	    document.getElementById("Small" + value).style.display = "block";
	}
}