function addrating(dir,skin,data,id,val) {
var ajax=new JsHttpRequest();
ajax.onreadystatechange = function()   	{
document.getElementById('rating-'+id).innerHTML="<img src='"+dir+"skin/"+skin+"loading.gif'>";
if (ajax.readyState == 4)  {
     document.getElementById('rating-'+id).innerHTML=ajax.responseText;
     if (ajax.responseJS) {
      alert(ajax.responseJS.msg);
     }
    }
  }
ajax.open("POST",dir+"ajax/ajax_addrating.php",true);
ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
ajax.send({val:val,data:data,id:id,skin:skin});
}