function mostracreditos() {
	if ( document.getElementById('transparente').style.visibility == 'hidden') {
		redimensionatransparente();
		window.scroll(0,0);
		document.getElementById('creditos').style.visibility = 'visible';
		document.getElementById('transparente').style.visibility = 'visible';
	} else {
		document.getElementById('creditos').style.visibility = 'hidden';
		document.getElementById('transparente').style.visibility = 'hidden';
	}
}

function mudacor(cor, destino) {
	if ( cor == 'transp' )
		cor = 'FFFFFF';
	document.getElementById(destino).style.background = '#'+cor;
}

function redimensionatransparente() {
	var largura;
	var altura;
	
	if(window.innerHeight){
		altura = window.innerHeight;
	}
	else{
		altura = document.body.clientHeight;
	}
	
	largura = document.body.clientWidth;
	
	if(altura < document.getElementById('divinterno').offsetHeight+document.getElementById('divinterno').offsetTop) {
		altura = (document.getElementById('divinterno').offsetHeight+document.getElementById('divinterno').offsetTop);
	}
	document.getElementById('transparente').style.height = altura;
	document.getElementById('transparente').style.width = largura;
}

function selecionatudo(destino) {
	document.getElementById(destino).focus();
	document.getElementById(destino).select();
}