jQuery.fn.extend({
show: function(speed,callback){
- if ( speed ) {
+ if ( speed !== undefined ) {
return this.animate( genFx("show", 3), speed, callback);
} else {
for ( var i = 0, l = this.length; i < l; i++ ){
},
hide: function(speed,callback){
- if ( speed ) {
+ if ( speed !== undefined ) {
return this.animate( genFx("hide", 3), speed, callback);
} else {
for ( var i = 0, l = this.length; i < l; i++ ){