var http_request_r = false;
   function makePOSTRequest_r(url, parameters) {
      http_request_r = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request_r = new XMLHttpRequest();
         if (http_request_r.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request_r.overrideMimeType('text/xml');
            http_request_r.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request_r = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request_r = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request_r) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }
      
      http_request_r.onreadystatechange = alertContents_r;
      http_request_r.open('POST', url, true);
      http_request_r.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request_r.setRequestHeader("Content-length", parameters.length);
      http_request_r.setRequestHeader("Connection", "close");
      http_request_r.send(parameters);
   }

   function alertContents_r() {

//	document.getElementById("button").disabled = true;
//	document.getElementById("fio").value = "";
//	document.getElementById("email").value = "";
//	document.getElementById("comment").value = "";
	document.getElementById("ratio_add").value = "0";
   
//  document.getElementById('myspan').style.opacity = 5/10;
//  document.getElementById('myspan').style.filter = 'alpha(opacity=' + 5*10 + ')';
//  document.getElementById('myspan').style.display = "block";
//  document.getElementById('myspan').innerHTML = "Please wait...";

   
   
      if (http_request_r.readyState == 4) {
         if (http_request_r.status == 200) {
            //alert(http_request_r.responseText);
            result = http_request_r.responseText;

//            document.getElementById('ratiobuttons').innerHTML = result;
         } else {
            alert('There was a problem with the request.');
         }
      }
   }
   
   function get_r(obj,a) {
   
      var poststr = "rate=" + a +"&parent_id="+escape(encodeURI(document.getElementById("parent_id").value))+"&browser="+escape(encodeURI(document.getElementById("browser").value))+"&ratio_add="+escape(encodeURI(document.getElementById("ratio_add").value));

var out = '';
out += '<b>Rate this article:</b><form><table><tr>';
for(var i=1; i<=5; i++)
{
	if(i == a) {out += '<td><input type=\"image\" src=\"/pics/rate/'+i+'e.gif\" onclick=\"return false;\" style=\"cursor:default\"></td>';}
	else {out += '<td><input type=\"image\" src=\"/pics/rate/'+i+'d.gif\" onclick=\"return false;\" style=\"cursor:default\"></td>';}
}

out += '</tr></table><input type=hidden name="ratio_add" id="ratio_add"></form>';


document.getElementById('ratiobuttons').innerHTML = out;

//	alert (poststr);
      makePOSTRequest_r('/rate.php', poststr);
   }