var from = document.getElementsByTagName("script")[document.getElementsByTagName("script").length-1].src.split("?")[1];

var arrCount = 14; //数组长度
var img= new Array();
var link = new Array();
var imgTitle = new Array();

//探测图片是否存在
function IsExist(url)
{
x = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Msxml2.XMLHTTP");
x.open("HEAD",url,false);
x.send();
return x.status==200;
}

//图片地址数组
for( var i = 0 ; i< arrCount; i ++ )
{
img[i] = "http://www.mangocity.com/200912/images/banner/top" + i  +".jpg";
if( IsExist(img[i]) == false)
    img[i] = "http://www.mangocity.com/200912/images/banner/top" + i  +".gif";    
}

//链接地址数组
link[0] = "http://mb.114cnn.com/?code=70069";
link[1] = "http://www.mangocity.com/promotion/p100702jipiao.html";
link[2] = "http://www.mangocity.com/promotion/p100702jipiao.html";
link[3] = "http://yt.114cnn.com/?code=50069";
link[4] = "http://www.mangocity.com/dm/f1216huanbao1.htm";
link[5] = "http://www.mangocity.com/Ticket/";
link[6] = "http://www.mangocity.com/promotion/m100210shibo.htm";
link[7] = "http://www.qmango.com/special/worldcup2010/index.html";
link[8] = "http://club.mangocity.com/act/dream/";
link[9] = "http://www.mangocity.com/promotion/m100210shibo.htm";
link[10] = "http://www.mangocity.com/promotion/m100210shibo.htm";
link[11] = "http://www.mangocity.com/promotion/m100210shibo.htm";
link[12] = "http://www.mangocity.com/promotion/m100210shibo.htm";
link[13] = "http://www.mangocity.com/promotion/m100210shibo.htm";


document.write("<a name=\"topAd" + from + "\" href=\"" + link[from] + "\" class=\"topAd\" target=\"_blank\"><img alt=\"" + imgTitle[from] + "\" src=\"" + img[from] + "\" width=\"468\" height=\"60\" border=\"0\" /></a>");