// JavaScript Document

function abrirPag(valor){  
	var url = valor;  
	xmlRequest.open("GET",url,true);  
	xmlRequest.onreadystatechange = mudancaEstado;  
	xmlRequest.send(null);  
	if (xmlRequest.readyState == 1) {  
		document.getElementById("conteudo").innerHTML = "<img src='../imagens/loading.gif'>";  
	}  
	return url;  
}  

function mudancaEstado(){  
	if (xmlRequest.readyState == 4){  
		document.getElementById("conteudo").innerHTML = xmlRequest.responseText;  
	}  
}