function ver(object){
		janela=object.id;
		aux="p";
		aux += janela;
		for (i = 71; i <= 105; i++){
		aux1="p";
		aux1 += i;
			if (aux1 == aux){
				x=eval(aux);
				x.style.display="Block";
				}
			else {
				y=eval(aux1);
				y.style.display="none";
				}
			}
		}

function pr70(){
			a70.style.display="block";
			a80.style.display="none";
			a90.style.display="none";
			a2000.style.display="none";
}
function pr80(){
			a70.style.display="none";
			a80.style.display="block";
			a90.style.display="none";
			a2000.style.display="none";
}
function pr90(){
			a70.style.display="none";
			a80.style.display="none";
			a90.style.display="block";
			a2000.style.display="none";
}
function pr2000(){
			a70.style.display="none";
			a80.style.display="none";
			a90.style.display="none";
			a2000.style.display="block";
}
function esc(){
			a70.style.display="none";
			a80.style.display="none";
			a90.style.display="none";
			a2000.style.display="none";
}