/* MUDAR TAMANHO DA FONTE */
function TamFonte(num, id)	{    

	document.getElementById(id).className = "ft"+num;

}

/* */

/* MUDAR BACKGROUND */
function background (div) {
	
	for (i=1;i<=20;i++){
		document.getElementById('back_'+i).style.display = 'none';
	}
	
	if (div != '') {
		document.getElementById(div).style.display = 'block';
	
	} 	
}

/* */