var req;
var div;

function loadXMLDoc(url,valor){ 

	req = null; 

	if (window.XMLHttpRequest) { 

		req = new XMLHttpRequest(); 

		req.onreadystatechange = processReqChange; 

		req.open("GET", url+'?'+valor, true); 

		req.send(null);

	} else if (window.ActiveXObject) { 

		req = new ActiveXObject("Microsoft.XMLHTTP"); 

		if (req) { 

			req.onreadystatechange = processReqChange; 

			req.open("GET", url+'?'+valor, true); 

			req.send();

		}

	}

}



function processReqChange() {

	if(req.readyState == 4){

		if (req.status == 200) {

			document.getElementById(divHTML).innerHTML = req.responseText;

		} else { 

			alert("Houve um problema ao obter os dados:\n" + req.statusText);

		}

	}

}



function Atualiza(valor, div, url){
	divHTML = div;
	loading();
	if(valor == 'nenhum'){

		document.getElementById(divHTML).innerHTML = '';

	}else{

		loadXMLDoc(url,valor);

	}

}



function loading() {
	if (divHTML == 'unit_long12') {
		document.getElementById(divHTML).innerHTML = '<font color="#FFCC00">Votando...</font>';
	} else {
		document.getElementById(divHTML).innerHTML = "<img src='../img/lendo.gif' width='10' height='10'> lendo informações...";
	}

}// JavaScript Document