function carregaAjax(){
	var xmlhttp;
	try{
		xmlhttp = new XMLHttpRequest ( ) ;
	}catch( ee ){
		try{
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(E){
				xmlhttp = false;
			}	
		}	
	}	
	return xmlhttp;
}
function carregar(url, elemento){
	var ajax = carregaAjax();	
	document.getElementById(elemento).innerHTML = "<img src='images/loading.gif' style='padding-left: 95px;padding-top:70px' />";	
	if(ajax){
		var url;
		var hora = new Date().getTime();
		if(url.indexOf("?") >= 0){
			url = url+'&hora='+hora;
		}else{
			url = url+'?hora='+hora;
		}
		//alert (url)			
		ajax.open( 'GET', url, true);		
		ajax.onreadystatechange = function() {
			if (ajax.readyState == 4){							
				if (ajax.status == 200){					
					document.getElementById(elemento).innerHTML = ajax.responseText;
					
				}
			}
		}
		ajax.send(null);		
	}	
}
function carregar2(email){
	var ajax = carregaAjax();	
	document.getElementById('muda').innerHTML = "Carregando...";	
	if(ajax){
		var email;
		ajax.open( 'GET', 'verifica_email.php?email='+email, true);		
		ajax.onreadystatechange = function() {
			if (ajax.readyState == 4){							
				if (ajax.status == 200){					
					document.getElementById('muda').innerHTML = ajax.responseText;
					
				}
			}
		}
		ajax.send(null);		
	}	
}