bb_c = new Array('', '50', '40', '27', '36', '34', '24', '21', '4', '31', '24', '22', '25', '29', '36', '10', '13', '10', '42', '150', '31', '12', '8', '66', '52', '5', '48', '12', '14', '3', '9', '1', '4', '7', '3', '3', '3', '2', '14', '4', '28', '16', '24', '21', '28', '16', '16', '13', '6', '6', '4', '4', '5', '3', '6', '4', '3', '1', '13', '5', '5', '3', '5', '1', '1', '1', '22');
function ch_c(){
	var q = document.capitulo.p.options[document.capitulo.p.selectedIndex].value;
	var w = document.capitulo.c.value;
	var x = bb_c[q];
	if(w == 0 || w > x){
		window.alert('Este livro possui apenas '+ x +' capítulos!');
	} else{
		document.capitulo.submit();
	}
}