function load_help ()
{
	if ( $('container-form').style.display == "none" )
	{
		$('container-form').style.display = "block";
		$('container-help').style.display = "none";
	}
	else
	{
		$('container-form').style.display = "none";
		$('container-help').style.display = "block";
	}
}

function load_tips (item)
{
	if ( item == "uno" )
	{
    	$('tips1').style.display = "block";
		$('tips2').style.display = "none";
		$('tips3').style.display = "none";
	}
	else if ( item == "due" )
	{
		$('tips1').style.display = "none";
		$('tips2').style.display = "block";
		$('tips3').style.display = "none";
	}
	else if ( item == "tre" )
	{
		$('tips1').style.display = "none";
		$('tips2').style.display = "none";
		$('tips3').style.display = "block";
	}
}