24小时弹一次代码

红色部分换成你自己的
function setCookie(name, value, expire) {   
  window.document.cookie = name + "=" + escape(value) + ((expire == null) ? "" : ("; expires=" + expire.toGMTString()));
}

function getCookie(Name) {   
   var search = Name + "=";
   if (window.document.cookie.length > 0) { // if there are any cookies
     offset = window.document.cookie.indexOf(search);
         if (offset != -1) { // if cookie exists
       offset += search.length;          // set index of beginning of value
           end = window.document.cookie.indexOf(";", offset)          // set index of end of cookie value
           if (end == -1)
             end = window.document.cookie.length;
           return unescape(window.document.cookie.substring(offset, end));
     }
   }
   return null;
}

function register(name) {
  var today = new Date();
  var expires = new Date();
  expires.setTime(today.getTime() + 1000*60*60*24);
  setCookie("SexMovie", name, expires);
}


var exitURL=http://www.xland.cn; //广告地址

function openWin() {

  var c = getCookie("SexMovie");
  if (c != null) {
    return;
  }
  register("9free");
  
  var featureStr="‘‘";
  
    featureStr="‘top=0,left=0,width=800,height=600,toolbar=yes, menubar=no, scrollbars=no, resizable=no, location=no, status=no,center:no‘";

         
  self.focus();
  
  var ExitWindow = window.open(exitURL);
  
    ExitWindow.focus();
  
}

openWin();
window.focus()