$(document).ready(
		function(){
			$('#rota').innerfade({
				animationtype: 'fade',
				speed: 800,
				timeout: 5000,
				type: 'sequence',
				containerheight: '1em'
			});
		}
	);
$(document).ready(function(){
                $("#select1").change(function(event){
                    var id =  $("#select1").find(':selected').val();
					 $("#select2").load('select2.php?id='+id);
					 $('#select2').attr('disabled',''); 
                });
				
				$("#select2").change(function(event){
                    var id2 =  $("#select2").find(':selected').val();
					 $("#select3").load('select3.php?id='+id2);
					 $('#select3').attr('disabled',''); 
                });
				
				
				$("#select3").change(function(event){
                    var id3 =  $("#select3").find(':selected').val();
					 $("#select4").load('select4.php?id='+id3);
					 $('#select4').attr('disabled',''); 
                });
				
				
				$("#select4").change(function(event){
                    var id = $("#select4").find(':selected').val();
                    document.location.href="producto.php?id="+id;
                });
            });