كود جافا سكريبس للتنبيه بو جود رسالة خاصة

اترككم مع الكود
var sec_inter= 60;

function cook_no_new_message() { my_setcookie("new_message",-new Date(),1,0); no_new_message(); }

function no_new_message() { $('#new_message').remove(); }

function cook_new_message() { my_setcookie("new_message",+new Date(),1,0); new_message(); }


function new_message() { $("body").append('<div id="new_message"
style="position:fixed;bottom:0;left:0"><a
href="/privmsg?folder=inbox" onClick="cook_no_new_message();return
true;"><img
src="https://i.servimg.com/u/f46/15/46/85/43/arnewm10.png"
/></a></div>'); }

function new_message_update() {
var dnew_message= my_getcookie("new_message");
var enew_message= dnew_message>0;

if(($('#new_message').length>0)==enew_message)
{
if(!enew_message) dnew_message*=-1;
if(dnew_message<+new Date()-1000*sec_inter)
$.get('http://script-error.www?mode=newpm',function(data){
if(!data.match("No new private messages are waiting for you")!=enew_message)
{
if(enew_message) cook_no_new_message();
else cook_new_message();
}
});
}
else
{
if(enew_message) new_message();
else no_new_message();
}
}

$(function(){
if($('#i_icon_mini_new_message').length) cook_new_message();
else cook_no_new_message();
setInterval("new_message_update()",5000);
});