function Ajax() {
	var xmlhttp=false;
	try {
		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {
		try {
		   xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
		} catch (E) {
			xmlhttp = false;
  		}
	}
	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}



/***********************************************/
/* Funcion de ajax general
/***********************************************/

function objajax(campo,consulta,donde,loader){
	if(!loader){ loader = "loader"; }
var ajax = new Array();
var campoloader = campo+"loader";
ajax[0] = Ajax();
	ajax[0].open("GET", consulta);
	ajax[0].onreadystatechange=function() {
		if (ajax[0].readyState==1) {
			if(donde.getElementById(campoloader) == null){
				donde.getElementById(campo).innerHTML = '<img src="/imagenes/ajax/ajax-'+ loader +'.gif"  border="0" alt="" />';
			}else{
				donde.getElementById(campoloader).innerHTML = '<img src="/imagenes/ajax/ajax-'+ loader +'.gif" border="0" alt="" />';
			}
		}
		if (ajax[0].readyState==4) {
		donde.getElementById(campo).innerHTML = ajax[0].responseText;
		}
	}
	ajax[0].send(null)
		
}
function objajaxpost(campo,consulta,variables,donde,loader){
	if(loader == ""){ loader = "loader"; }
var ajax = new Array();
var campoloader = campo+"loader";
var query = variables +"&nocache=" + Math.random();
ajax[0] = Ajax();
	ajax[0].open("POST", consulta);
	ajax[0].onreadystatechange=function() {
		if (ajax[0].readyState==1) {
			if(donde.getElementById(campoloader) == null){
				donde.getElementById(campo).innerHTML = '<img src="/imagenes/ajax/ajax-'+ loader +'" border="0" alt="" />';
			}else{
				donde.getElementById(campoloader).innerHTML = '<img src="/imagenes/ajax/ajax-'+ loader +'" border="0" alt="" />';
			}
		}
		if (ajax[0].readyState==4) {
		donde.getElementById(campo).innerHTML = ajax[0].responseText;
		}
	}
	ajax[0].setRequestHeader("Content-type", "application/x-www-form-urlencoded");
    ajax[0].send(query);		
}

/***********************************************/
/* encuestas
/***********************************************/
function encuesta() {
var ajax = new Array();
ajax[0] = Ajax();

	ajax[0].open("GET", "inc/votar_encuesta.php?op=carga&nocache=" + Math.random());
	ajax[0].onreadystatechange=function() {
		if(ajax[0].readyState==1) {
		document.getElementById("divenc").innerHTML = 'cargando...';
		}
		if(ajax[0].readyState==4) {
		document.getElementById("divenc").innerHTML = ajax[0].responseText;
		}
	}
	ajax[0].send(null);
}

function votar_encuesta() {
var ajax = new Array();
ajax[0] = Ajax();
	var op = 0;
	if(document.getElementById('1').checked) { op = document.getElementById('1').value; }
	if(document.getElementById('2') != null) {
		if(document.getElementById('2').checked) { op = document.getElementById('2').value; }
	}
	if(document.getElementById('3') != null) {
		if(document.getElementById('3').checked) { op = document.getElementById('3').value; }
	}
	if(document.getElementById('4') != null) {
		if(document.getElementById('4').checked) { op = document.getElementById('4').value; }
	}
	if(document.getElementById('5') != null) {
		if(document.getElementById('5').checked) { op = document.getElementById('5').value; }
	}
	if(document.getElementById('6') != null) {
		if(document.getElementById('6').checked) { op = document.getElementById('6').value; }
	}
	
	ajax[0].open("GET", "inc/votar_encuesta.php?op="+ op + "&nocache=" + Math.random());
	ajax[0].onreadystatechange=function() {
		if(ajax[0].readyState==1) {
		document.getElementById("botvotenc").innerHTML = 'cargando...';
		document.getElementById('1').disabled='disabled';
		if(document.getElementById('2') != null) { document.getElementById('2').disabled='disabled'; }
		if(document.getElementById('3') != null) { document.getElementById('3').disabled='disabled'; }
		if(document.getElementById('4') != null) { document.getElementById('4').disabled='disabled'; }
		if(document.getElementById('5') != null) { document.getElementById('5').disabled='disabled'; }
		if(document.getElementById('6') != null) { document.getElementById('6').disabled='disabled'; }
		}
		if(ajax[0].readyState==4) {
		document.getElementById("botvotenc").innerHTML = '';
		encuesta();
		}
	}
	if(op != 0) {
	ajax[0].send(null);
	}
}