function note(id,note,img,mode){
getXhr()
xhr.onreadystatechange = function()
    {
     if(xhr.readyState == 4 && xhr.status == 200)
     {
     document.getElementById('n'+id).innerHTML=xhr.responseText;
     }
    }
if(mode==0)xhr.open("GET",img+"note.php?id="+id+"&note="+note+"&img="+img,true);
if(mode==1)xhr.open("GET",img+"note.php?id2="+id+"&note="+note+"&img="+img,true);
xhr.send(null);
}