var cpAD=new Array(); 
var cpADlink=new Array(); 
//定义了10个数组
var adNum_max = 10;//最大值
var adNum = adNum_max; 
var ad_count = adNum_max;
var coll = 0;



function getText(oNode) 
{
    var sText = new Array();
    for (var i = 0; i < oNode.childNodes.length; i++) 
    {
       if (oNode.childNodes[i].hasChildNodes()) 
       {
           sText[i] = getText(oNode.childNodes[i]);
       } 
       else 
       {
           sText[i] = oNode.childNodes[i].nodeValue;
       }
    }
    return sText;
}


//var xmlurl = "no2_ad.xml";
var xmlurl = "/getnew/getflash.aspx";
//判断是否为Firefox或IE 
var isie = (typeof window.ActiveXObject != 'undefined');

var Dom;
if (isie)  
{   
	Dom = new ActiveXObject("MSXML2.DOMDocument.3.0");   
	Dom.async = false;   
	while( Dom.readyState != 4) 
	{};//创建IE下XML文档对象 
}
else
{
	Dom = document.implementation.createDocument("","",null);
	Dom.async = false;
}
Dom.load(xmlurl);

var node_count = Dom.getElementsByTagName("ads")[0].childNodes.length;

for(var i=0;i<node_count;i++)
{
	var node = Dom.getElementsByTagName("ads")[0].childNodes[i];
	var arr_text = getText(node);
	//alert(arr_text.length);
	if(arr_text.length > 0)
	{
		cpAD[i] = arr_text[1];
		cpADlink[i] = arr_text[0];
		//alert(cpAD[i]);
		//alert(cpADlink[i]);
	}
}

if(!isie)
{
	cpAD.splice(0,1);
	cpADlink.splice(0,1);
}

if(cpAD.length < adNum_max)
{
	ad_count = cpAD.length;
}

function hiddenButton()
{
	for(var i = ad_count+1;i<=adNum_max;i++)
	{
		document.getElementById("img" + i).style.display = "none";
	}
}

var preloadedimages=new Array(); 

for (i=1;i<cpAD.length;i++)
{ 
	preloadedimages[i]=new Image(); 
	preloadedimages[i].src=cpAD[i]; 
} 

//跳转的URL地址
function jump2url()
{ 
jumpUrl=cpADlink[adNum]; 
jumpTarget='_blank'; 
if (jumpUrl != '')
{ 
	if (jumpTarget != '')
		window.open(jumpUrl,jumpTarget); 
	else location.href=jumpUrl; 
	} 
}

//图片变化的函数
function changeimg(n)
{
	adNum = n;
	switch(adNum)
	{
	case 0:
	{
		window.img1.src="images/num/1-2.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 1:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2-2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 2:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3-2.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 3:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4-2.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 4:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5-2.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 5:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6-2.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 6:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7-2.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 7:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8-2.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 8:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9-2.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 9:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10-2.gif";
		break;
	}
	
	
	
	
	
	}
	window.clearInterval(theTimer);
	adNum=adNum-1;
	nextAd();
}
//当点击时直接跳转
function nextAd()
{ 
	coll++;
	if(coll>1)
	{
	switch(adNum+1)
	{
	case 10:
	{
		window.img1.src="images/num/1-2.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 1:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2-2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 2:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3-2.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 3:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4-2.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 4:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5-2.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 5:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6-2.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 6:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7-2.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 7:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8-2.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 8:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9-2.gif";
		window.img10.src="images/num/10.gif";
		break;
	}
	case 9:
	{
		window.img1.src="images/num/1.gif";
		window.img2.src="images/num/2.gif";
		window.img3.src="images/num/3.gif";
		window.img4.src="images/num/4.gif";
		window.img5.src="images/num/5.gif";
		window.img6.src="images/num/6.gif";
		window.img7.src="images/num/7.gif";
		window.img8.src="images/num/8.gif";
		window.img9.src="images/num/9.gif";
		window.img10.src="images/num/10-2.gif";
		break;
	}
}
}
if(adNum<cpAD.length-1) adNum++ ; 
else adNum=0; 
//setTransition(); 
document.images.cpADrush.src=cpAD[adNum]; 
//playTransition(); 
//displayStatusMsg();
//定义了轮换时间 5s
theTimer=setTimeout("nextAd()", 2400); 
} 

function setTransition(){ 
if (document.all){ 
cpADrush.filters.revealTrans.Transition=23; 
cpADrush.filters.revealTrans.apply(); 
} 

} 
function playTransition(){ 
if (document.all) 
cpADrush.filters.revealTrans.play() 
} 
function displayStatusMsg() { 
document.returnValue = true; 
}