// fade in
$("#DivID").fadeIn(1000);
// do something when animation complete
$("#DivID").fadeIn(1000, function () {
alert("Fade In Complete");
});
// fade out
$("#DivID").fadeOut(1000);
// do something when animation is complete
$("#DivID").fadeOut(1000, function () {
alert("Fade Out Complete");
});
// fade to (fades to specified opacity)
$("#DivID").fadeTo(1000, 0.25);
// do something when animation is complete
$("#DivID").fadeTo(1000, 0.25, function () {
alert("Fade To Complete");
});