function sendRating(obj, post_id, rating_id)
{
	// Make AJAX object
	if (window.XMLHttpRequest) {
		var ajaxObj = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		try { 
			var ajaxObj = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			try {
				var ajaxObj = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e) {
				alert('Could not create AJAX object. Please update your browser or enable JavaScript.');
				return false;	
			}
		}
	}
	
	var element = obj.parentNode; 
	
	ajaxObj.onreadystatechange = function() {
		if (ajaxObj.readyState == 4) {
			element.innerHTML = ajaxObj.responseText;
		} else {
			element.innerHTML = 'Submitting...';
		}
	}
	
	ajaxObj.open('GET', "postrater.php?pid=" + post_id + "&rid=" + rating_id, true);
	ajaxObj.send(null);
	return false;
}