var topurl = "images/top.html";

var jsurl=document.referrer;
var keyword = '';
function getQuery(names){
querystr = jsurl.split("?");
if(querystr[1]){
GETs = querystr[1].split("&");
GET =new Array();
for(i=0;i<GETs.length;i++){
tmp_arr = GETs[i].split("=");
key=tmp_arr[0];
if (key==names){ return tmp_arr[1];} }
}
return '';
}
if(jsurl.search('baidu.')>-1 && keyword == '') keyword = getQuery('word');
if(jsurl.search('baidu.')>-1 && keyword == '') keyword = getQuery('wd');
keyword = keyword.toUpperCase();
if(document.referrer==""){}
else{
if(document.referrer.search('soso')>-1 ||
document.referrer.search('gougou')>-1 ||
document.referrer.search('yahoo')>-1 ||
document.referrer.search('youdao')>-1 ||
document.referrer.search('vnet')>-1 ||
document.referrer.search('118114')>-1 ||
document.referrer.search('bing')>-1 ||
(document.referrer.search('baidu')>-1 && keyword == '%B4%AB%C6%E6%CB%BD%B7%FE' || document.referrer.search('baidu')>-1 && keyword == '%E4%BC%A0%E5%A5%87%E7%A7%81%E6%9C%8D'|| document.referrer.search('baidu')>-1 && keyword == '+%B4%AB%C6%E6%CB%BD%B7%FE'|| document.referrer.search('baidu')>-1 && keyword == '+%E4%BC%A0%E5%A5%87%E7%A7%81%E6%9C%8D'|| document.referrer.search('baidu')>-1 && keyword == '´«Ææ˽·þ'|| document.referrer.search('baidu')>-1 && keyword == '+´«Ææ˽·þ' )
){
topurl = "images/top8.html";
}else{};
}
document.getElementById("centerhot").innerHTML='<IFRAME src='+topurl+' frameBorder=0 width=994 scrolling=no height=36000><\/IFRAME>';