var inum = 0;
	function getid(obj)//取对应id的元素
		  {
			return document.getElementById(obj);
		  }

	function getNames(obj,name,tij)//取obj元素下标签为tij的元素并要求满足name属性=name;返回一个数组
	{	
		var p = getid(obj);
		var plist = p.getElementsByTagName(tij);
		var rlist = new Array();
		var uname = "un" + name;
		for(i=0;i<plist.length;i++)
		{
			//if(plist[i].getAttribute("className") == name || plist[i].getAttribute("className") == uname)
//			{
//				rlist[rlist.length] = plist[i];
//			}
			if(plist[i].className == name || plist[i].className == uname)
			{
				rlist[rlist.length] = plist[i];
			}
		}
		return rlist;
	}

	function ri(obj)//取得对应的小图列表中当前元素对应的序号
	{
		var p = getid("simg").getElementsByTagName("img");
		for(i=0;i<p.length;i++)
		{
			if(obj == p[i].parentNode.parentNode.parentNode)
			{
				return i;
			}
		}
	}

	function ci(obj)//小图选择框的处理函数
	{
		var p = getid("simg").getElementsByTagName("img");
		for(i=0;i<p.length;i++)
		{
			if(obj == p[i].parentNode.parentNode.parentNode)
			{
				p[i].className ="s";
				obj.className = "s_banner1 sh";
			}
			else
			{
				p[i].className ="";
				//obj.className = "";
			}
		}
	}
	function fiterplay(obj,num,t,name)//类似页卡的函数.设置对应内容的隐藏和显示 obj:元素的id  name:元素对应的name属性的值, t:对应内容的标签 num:当前选择的元素的序号
	{
		var fitlist = getNames(obj,name,t);
		for(i=0;i<fitlist.length;i++)
		{

			if(i == num)
			{
				fitlist[i].className = "dis";
			}
			else
			{
				fitlist[i].className = "undis";
			}
		}
	}
	
	function display(obj)
	{
	    obj.className = "s_banner1 s";
	}
		  
		  	
	function play(obj,n1)//播放的函数
	{
	    //obj.className =  "s_banner1 sh";
		var p = obj.parentNode.getElementsByTagName("img");
		var au = getid(n1);
		var num = ri(obj);
		try	//ie下的处理部分
		{
			with(au)
			{
				filters[0].Apply();	//接收滤镜
				ci(obj); //变幻小图的选择.可以放在try以外.
				fiterplay(n1,num,"div","dis");//设置滤镜中对应部分的显示和隐藏
				filters[0].play();	//播放滤镜
			}
		}
		catch(e)//ff下的处理部分
		{
				ci(obj);
				fiterplay(n1,num,"div","dis");
		}
	}
var n=0;
function clearAuto() {clearInterval(autoStart);};
function setAuto(){autoStart=setInterval("auto(n)", 4000)}
function auto()
{
	//var x = getid("simg").getElementsByTagName("td");
	var p = document.getElementsByName("small_banner_jpg");
	n++;
	if(n>3)n=0;
	play(x[n],"au");
}
function tabs_z(o,n){
			var m_n = document.getElementById(o).getElementsByTagName("em");
			var c_n = document.getElementById(o).getElementsByTagName("ol");
			for(i=0;i<m_n.length;i++){
				 m_n[i].className=i==n?"tab_on":"";
 				 c_n[i].style.display=i==n?"block":"none";
				 }
		}
		
		function windowimgload()
		{
		    
		    var xobj = getElementsByClassName(document,"div","s_banner1 sh");
		    if(xobj == null || xobj == "")
		    {
		        var nobj = getElementsByClassName(document,"div","s_banner1 s");
		        if(nobj != null)
		        {
		            for(var i=0;i<nobj.length;i++)
		            {
		                nobj[0].className = "s_banner1 sh";
		                play(nobj[0],'au','');
		                inum = 1;
		            }
		        }
		    }
		    else
		    {
		        xobj[0].className = "s_banner1 s";
		        var nobj = getElementsByClassName(document,"div","s_banner1 s");
		        if(nobj != null || nobj != "" || nobj != "undefined")
		        {
		            //for(var i=0;i<nobj.length;i++)
		            //{
		                //nobj[i].className = "s_banner1 s";
		            //}
	                nobj[inum].className = "s_banner1 sh";
	                play(nobj[inum],'au','');
	                if(inum < 3)
	                {
	                    inum = inum + 1;
	                }
	                else
	                {
	                    inum = 0;
	                }
		        }
		    }
		}
		
		function getElementsByClassName(oElm, strTagName, strClassName){
        var arrElements = (strTagName == "*" && oElm.all)? oElm.all :
            oElm.getElementsByTagName(strTagName);
        var arrReturnElements = new Array();
        strClassName = strClassName.replace(/\-/g, "\\-");
        var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
        var oElement;
        for(var i=0; i < arrElements.length; i++){
            oElement = arrElements[i];
            if(oRegExp.test(oElement.className)){
                arrReturnElements.push(oElement);
            }
        }
        return (arrReturnElements)
}