function validaBusca(form) {
	
	if (form.palavra_busca.value.length < 4) {
		document.getElementById('span_palavra_busca').innerHTML = 'Mínimo 4 caracteres';
		return false;	
	}
	else {
		document.getElementById('span_palavra_busca').innerHTML = '';
		return true;
	}
		
}

function abre_news(){
	fn = document.getElementById('form_indique');
	btn_fn = document.getElementById('indique_index');
	if(fn.style.display == 'none'){
	fn.style.display = 'block' ;	
}
else{
	fn.style.display = 'none'
	}
	
}