/* AJAX Star Rating : v1.0.3 : 2008/05/06 */
/* http://www.nofunc.com/AJAX_Star_Rating/ */

function $(v, o) { return ((typeof (o) == 'object' ? o : document).getElementById(v)); }
function $S(o) { return ((typeof (o) == 'object' ? o : $(o)).style); }
function agent(v) { return (Math.max(navigator.userAgent.toLowerCase().indexOf(v), 0)); }
function abPos(o) { var o = (typeof (o) == 'object' ? o : $(o)), z = { X: 0, Y: 0 }; while (o != null) { z.X += o.offsetLeft; z.Y += o.offsetTop; o = o.offsetParent; }; return (z); }
function XY(e, v) { var o = agent('msie') ? { 'X': event.clientX + document.documentElement.scrollLeft, 'Y': event.clientY + document.documentElement.scrollTop} : { 'X': e.pageX, 'Y': e.pageY }; return (v ? o[v] : o); }

star = {};

star.mouse = function(e, o)
{
   if (star.stop || isNaN(star.stop))
   {
      star.stop = 0;

      document.onmousemove = function(e)
      {
         var n = star.num;

         var p = abPos($('star' + n)), x = XY(e), oX = x.X - p.X, oY = x.Y - p.Y; star.num = o.id.substr(4);

         if (oX < 1 || oX > 84 || oY < 0 || oY > 19)
         {
            star.stop = 1; star.revert(); 
         }

         else
         {
            $S('starCur' + n).width = oX + 'px';
            $S('starUser' + n).color = '#111';
            $('starUser' + n).innerHTML = Math.round(oX / 84 * 100) + '%';
         }
      };
   }
};

star.revert = function()
{
   var n = star.num, v = parseInt($('starCur' + n).title);

   $S('starCur' + n).width = Math.round(v * 84 / 100) + 'px';
   $('starUser' + n).innerHTML = (v > 0 ? Math.round(v) + '%' : '');
   $('starUser' + n).style.color = '#888';

   document.onmousemove = null;
};

star.update = function(e, o)
{
   var n = star.num, v = parseInt($('starUser' + n).innerHTML);

   n = o.id.substr(4); $('starCur' + n).title = v;

   MusicSite.MusicWebService.RateSong(SongID, v, RateSongSucceeded);
   o.onmousemove = null;
};

function RateSongSucceeded(validRating)
{
   var n = star.num;
   var info = $('starInfo' + n);
   if (validRating)
   {
      info.innerHTML = "Değerlendirmeniz alınmıştır.";
   }
   else
   {
      info.innerHTML = "Daha önce değerlendirmede bulunmuştunuz.";
   }
}

star.num = 0;