function makePOSTAddRequest(url,parameters,id){
	http_request = false;
	if(window.XMLHttpRequest){
		http_request = new XMLHttpRequest();
		if(http_request.overrideMimeType){
			http_request.overrideMimeType('text/html');
		}
		} else if(window.ActiveXObject){
		try{
			http_request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e){
		try{
			http_request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e){}
		}
	}
	if(!http_request){
		alert('Cannot create XMLHTTP instance');
		return false;
	}
	http_request.onreadystatechange = function(){ 
		alertAdd(id); 
	};
	http_request.open('POST', url, true);
	http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	http_request.setRequestHeader("Content-length", parameters.length);
	http_request.setRequestHeader("Connection", "close");
	http_request.send(parameters);
}
function alertAdd(id){
	document.getElementById(id).innerHTML="<br><p align=\"center\"><img src=\"/images/loading.gif\"><br>T&#7843;i d&#7919; li&#7879;u</p>";
	if(http_request.readyState == 4){
		if(http_request.status == 200){
			result = http_request.responseText;
			document.getElementById(id).innerHTML = result;           
		} else{
			alert('Welcome to www.vncollect.com');
		}
	}
}
function Vote(obj,id){
	var postpoller = "data=" + encodeURIComponent(document.getElementById("questionID").value) +
	"|" + encodeURIComponent(document.getElementById("pol_id").value) + 
	"|" + encodeURIComponent(document.getElementById("actioning").value);
	/*alert(postpoller);*/
	makePOSTAddRequest('/poll.php', postpoller,id);
}