});
        },
 
-       slideDown: function(speed,callback){
-               return this.animate({height: "show"}, speed, callback);
-       },
-
-       slideUp: function(speed,callback){
-               return this.animate({height: "hide"}, speed, callback);
-       },
-
-       slideToggle: function(speed, callback){
-               return this.animate({height: "toggle"}, speed, callback);
-       },
-
-       fadeIn: function(speed, callback){
-               return this.animate({opacity: "show"}, speed, callback);
-       },
-
-       fadeOut: function(speed, callback){
-               return this.animate({opacity: "hide"}, speed, callback);
-       },
-
        fadeTo: function(speed,to,callback){
                return this.animate({opacity: to}, speed, callback);
        },
 
 });
 
+// Generate shortcuts for custom animations
+jQuery.each({
+       slideDown: { height:"show" },
+       slideUp: { height: "hide" },
+       slideToggle: { height: "toggle" },
+       fadeIn: { opacity: "show" },
+       fadeOut: { opacity: "hide" }
+}, function( name, props ){
+       jQuery.fn[ name ] = function( speed, callback ){
+               return this.animate( props, speed, callback );
+       };
+});
+
 var queue = function( elem, type, array ) {
        if ( elem ){