记录cookies实现退出网页弹出收藏夹的代码

<script language="javascript">function bookmark(){window.external.AddFavorite('http://movie.haifol.com', '海枫影院')}</script>

　　<script language="javascript" type="text/javascript">
function bookmark()
{
if(readCookie("bookmark")!="yes")
{
saveCookie("bookmark","yes",1);
window.external.AddFavorite('http://movie.haifol.com', '海枫影院');
}
}

function saveCookie(name,value,days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime()+(days*24*60*60*1000))
        var expires = "; expires="+date.toGMTString()
    }
    else expires = ""
    document.cookie = name+"="+value+expires+"; path=/"
}
function readCookie(name) {
    var nameEQ = name + "="
    var ca = document.cookie.split(';')
    for(var i=0;i<ca.length;i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') c = c.substring(1,c.length)
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length)
    }
    return null
}
</script>