function toggle_visibility(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'block')
	e.style.display = 'none';
	else
	e.style.display = 'block';
}

function mostra_area(id) {
	var e = document.getElementById(id);
	e.style.display = 'block';

	e=null;
	if(id != 'fichaArea')
	{
		e = document.getElementById('fichaArea');
		if(e!=null)
			e.style.display = 'none';	
		e = document.getElementById('btFichaArea');
		if(e!=null)
		{
			e.className = 'labelInActive';
		}
	}
	else
	{
		e = document.getElementById('btFichaArea');
		if(e!=null)
		{
			e.className = 'labelActive';
		}

	}
	
	e=null;
	if(id != 'fotoArea')
	{
		e = document.getElementById('fotoArea');
		if(e!=null)
			e.style.display = 'none';	
		e = document.getElementById('btFotoArea');
		if(e!=null)
		{
			e.className = 'labelInActive';
		}
	}
	else
	{
		e = document.getElementById('btFotoArea');
		if(e!=null)
		{
			e.className = 'labelActive';
		}

	}
	
	e=null;
	if(id != 'mapaArea')
	{
		e = document.getElementById('mapaArea');
		if(e!=null)
			e.style.display = 'none';	
		e = document.getElementById('btMapaArea');
		if(e!=null)
		{
			e.className = 'labelInActive';
		}
	}
	else
	{
		e = document.getElementById('btMapaArea');
		if(e!=null)
		{
			e.className = 'labelActive';
		}

	}

	e=null;
	if(id != 'infoArea')
	{
		e = document.getElementById('infoArea');
		if(e!=null)
			e.style.display = 'none';	
		e = document.getElementById('btInfoArea');
		if(e!=null)
		{
			e.className = 'labelInActive';
		}
	}
		else
	{
		e = document.getElementById('btInfoArea');
		if(e!=null)
		{
			e.className = 'labelActive';
		}

	}



}

function showHideTextBox(value){
	divP = document.getElementById('divPeriodos');
    divT = document.getElementById('divTematicas');
    divA = document.getElementById('divAutores');

	if(value == 0)
    {
        divT .style.display = '';
    }   
    else if(value == 1)
    {
        divT .style.display = 'none';
    }
    else if(value == 2)
    {
        divT .style.display = '';
    }
}