function getXmlHttpRequestObject() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest(); //Not IE
	} else if(window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP"); //IE
	} else {
		alert("Your browser doesn't support the XmlHttpRequest object.  Better upgrade to Firefox.");
	}
}
//////////////////////////////////////////////////////////////////////////////////////////////////		
var receiveReq = getXmlHttpRequestObject();		
//////////////////////////////////////////////////////////////////////////////////////////////////		
function encuestas() {
	var params = 'index=encuestas';
	if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
		receiveReq.open("POST",'docs/encuestas/consultasAjax.php', true);
		receiveReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		receiveReq.setRequestHeader("Content-length", params.length);
		receiveReq.setRequestHeader("Connection", "close");		
		receiveReq.onreadystatechange = 
			function handleclientes() {
				if (receiveReq.readyState == 4) {
					document.getElementById("divencuestas").innerHTML = receiveReq.responseText;
					detalle_encuesta();
				}
			}
		; 
		receiveReq.send(params);
	}			
}
//////////////////////////////////////////////////////////////////////////////////////////////////		
function comboencuestas() {
	var params = 'index=comboencuestas';
	if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
		receiveReq.open("POST",'docs/encuestas/consultasAjax.php', true);
		receiveReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
		receiveReq.setRequestHeader("Content-length", params.length);
		receiveReq.setRequestHeader("Connection", "close");		
		receiveReq.onreadystatechange = 
			function handleclientes() {
				if (receiveReq.readyState == 4) {
					document.getElementById("divencuestas").innerHTML = receiveReq.responseText;
					detalle_encuesta();
				}
			}
		; 
		receiveReq.send(params);
	}			
}
//////////////////////////////////////////////////////////////////////////////////////////////////		
function detalle_encuesta() {
	var id = document.getElementById("encuesta").value;
	if(id!=""){
		var params = 'index=detalle_encuesta&id='+id;
		if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
			receiveReq.open("POST",'docs/encuestas/consultasAjax.php', true);
			receiveReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			receiveReq.setRequestHeader("Content-length", params.length);
			receiveReq.setRequestHeader("Connection", "close");		
			receiveReq.onreadystatechange = 
				function handleclientes() {
					if (receiveReq.readyState == 4) {
						document.getElementById("divdetalleencuesta").innerHTML = receiveReq.responseText;
					}
				}
			; 
			receiveReq.send(params);
		}		
	}
}
//////////////////////////////////////////////////////////////////////////////////////////////////		
function votar() {
	var id = document.getElementById("encuesta").value;
	var x=document.getElementById("opciones");
	var op = "no";
	for (var i=0;i<x.length;i++){
		if(x.elements[i].checked==true){
			op = x.elements[i].value;
		}
	}	
	if(op != "no"){
		var params = 'index=votar&idencuesta='+id+"&idopcion="+op;
		if (receiveReq.readyState == 4 || receiveReq.readyState == 0) {
			receiveReq.open("POST",'docs/encuestas/consultasAjax.php', true);
			receiveReq.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			receiveReq.setRequestHeader("Content-length", params.length);
			receiveReq.setRequestHeader("Connection", "close");		
			receiveReq.onreadystatechange = 
				function handleclientes() {
					if (receiveReq.readyState == 4) {
						alert(receiveReq.responseText);
						detalle_encuesta();						
					}
				}
			; 
			receiveReq.send(params);
		}			
	}else{
		alert("Dedes de escoger una opcion");	
	}
}
//////////////////////////////////////////////////////////////////////////////////////////////////		
function Abrir_Ventana() {
var winName="Resultados";
var windowprops ="top=0,left=0,toolbar=no,location=no,status=no, menubar=no,scrollbars=no, resizable=no,width=500,height=500";
var URL = "docs/encuestas/resultados_cliente.php"; 
window.open(URL,winName,windowprops);
}