document.getElementById("err_codigo").style.visibility="visible";
		var existe_erro = true;
		document.getElementById('err_password').style.visibility='visible';
			var existe_erro = true;document.getElementById("err_user").style.visibility="visible";
		var existe_erro = true;document.getElementById("err_user_existe").style.visibility="hidden";document.getElementById("err_contribuinte").style.visibility="hidden";
	if(existe_erro==true)
		window.alert("Existe erro nos dados introduzidos !!!");
	else{
		document.getElementById("loading").style.visibility="visible";
		var oForm = document.getElementById("frmRegista");
//		oForm.target = "_blank";
		oForm.action = "login_insere_registo.php";
		oForm.submit();
	}