function login_ok()
{
	document.getElementById('hiba1').style.display = "none";
	document.getElementById('hiba2').style.display = "none";
	return true;
}

function sh2(id1, id2)
{
	if(document.getElementById(id1).style.display == "")
	{
		document.getElementById(id1).style.display = "none";
	}else{
		document.getElementById(id1).style.display = "";
	}
	
	if(document.getElementById(id2).style.display == "")
	{
		document.getElementById(id2).style.display = "none";
	}else{
		document.getElementById(id2).style.display = "";
	}
}