function showHide(tag,id)
{
	obj = document.getElementsByTagName(tag);
	if (obj[id].style.display == "")
	{
		if (tag == 'table')
		{
			type = "table";
		}
		else
		{
			type = "block";
		}
		obj[id].style.display = type;
	}
	else
	{
		obj[id].style.display = '';
	}
}

function showLogin()
{
	var auth = document.getElementById('auth');
	if (auth)
	{
		if (auth.style.display == '')
		{
			auth.style.display = 'block';
			document.getElementById('txtUsername').focus();
		}
		else
		{
			auth.style.display = '';
		}
	}

	return false;
}

function sh(id, showClass)
{
	var o = document.getElementById(id);
	if (o.className == 'hide') o.className = showClass;
	else o.className = 'hide';
}

function helpme(s)
{
	tb_show('Hjálp', s+'?width=400&height=400');
	//var popup = window.open(s, 'Hjálp', 'toolbar=no,location=no,directories=no,status=no,scrollbars=2,menubar=no,titlebar=no,width=400,height=400');
	//popup.focus();
	return false;
}