function pregunta(valor)
{
	encerar();
	switch(valor){
		case "p1":
			
			document.getElementById("r1").style.display='block';
			break;
		case "p2":
			
			document.getElementById("r2").style.display='block';
			break;
		case "p3":
			document.getElementById("r3").style.display='block';
			break;
		case "p4":
			document.getElementById("r4").style.display='block';
			break;
		case "p5":
			document.getElementById("r5").style.display='block';
			break;
		case "p6":
			document.getElementById("r6").style.display='block';
			break;
		case "p7":
			document.getElementById("r7").style.display='block';
			break;
		case "p8":
			document.getElementById("r8").style.display='block';
			break;
		case "p9":
			document.getElementById("r9").style.display='block';
			break;
		case "p10":
			document.getElementById("r10").style.display='block';
			break;
		case "p11":
			document.getElementById("r11").style.display='block';
			break;
		case "p12":
			document.getElementById("r12").style.display='block';
			break;
	
	}

}

function encerar()
{
	for(i=1;i<13;i++){
		document.getElementById("r"+i).style.display='none';
	}
}
// JavaScript Document