return this.animate( genFx("hide", 3), speed, callback);
} else {
for ( var i = 0, l = this.length; i < l; i++ ) {
var old = jQuery.data(this[i], "olddisplay");
if ( !old && old !== "none" ) {
return this.animate( genFx("hide", 3), speed, callback);
} else {
for ( var i = 0, l = this.length; i < l; i++ ) {
var old = jQuery.data(this[i], "olddisplay");
if ( !old && old !== "none" ) {