var http_request = false;


function rating(url, div, div2, param){
   if (window.XMLHttpRequest) {
        http_request = new XMLHttpRequest();
    } else if (window.ActiveXObject) {
        http_request = new ActiveXObject("Microsoft.XMLHTTP");
    }
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", param.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(param);
	 
	http_request.onreadystatechange = function() {
		if(http_request.readyState == 2){
		 document.getElementById(div2).innerHTML =  'processing data';
		 document.getElementById(div).innerHTML =  'processing data';		}
		 if (http_request.readyState == 4) {
		    if (http_request.status == 200) {
				response  = http_request.responseXML.documentElement;
				document.getElementById(div).innerHTML = response.getElementsByTagName('star')[0].firstChild.data;
				document.getElementById(div2).innerHTML = response.getElementsByTagName('overall_rating')[0].firstChild.data;		    }
		}
	}

}



function rate_site(site_id, user_id, cat, value){
	rating('/sites/ratesite?', 'id_' + site_id + '_' + cat, 'over_' + site_id, 'site_id=' + site_id + '&user_id=' + user_id + '&cat=' + cat+ '&value=' + value);
}