如何让首页的广告只弹出来一次,用javascript如何实现
我简单的用javascript做的,可是每次都弹出,很烦人的
别人给的代码还是照样弹出来
<SCRIPT language=JavaScript>
function defaultwin(){
var exitwin,url,ownwin;
url = '在此输入你需要弹出窗口的url';
exitwin = window.open(url,'nowexitwin');}
function get_cookie(Name) {
var search = Name + '='
var returnvalue = '';
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search)
if (offset != -1) {
offset += search.length
end = document.cookie.indexOf(';', offset);
if (end == -1)
end = document.cookie.length;
returnvalue=unescape(document.cookie.substring(offset, end))
}
}
return returnvalue;
}
function loadpopup(){
if (get_cookie('popped')==''){
defaultwin()
document.cookie='popped=yes'
}
}
window.onload=loadpopup;
</SCRIPT>
请问那里有错,望能给出正确的代码,谢谢