+ // overwrite the old show method
+ _show: jQuery.fn.show,
+
+ /**
+ * The effects module overloads the show method to now allow
+ * for a speed to the show operation. What actually happens is
+ * that the height, width, and opacity to the matched elements
+ * are changed dynamically. The only three current speeds are
+ * "slow", "normal", and "fast". For example:
+ * $("p").show("slow");
+ * Note: You should not run the show method on things
+ * that are already shown. This can be circumvented by doing this:
+ * $("p:hidden").show("slow");
+ */
+ show: function(speed,callback){
+ return speed ? this.animate({
+ height: "show", width: "show", opacity: "show"
+ }, speed, callback) : this._show();
+ },
+
+ // Overwrite the old hide method
+ _hide: jQuery.fn.hide,
+
+ /**
+ * The hide function behaves very similary to the show function,
+ * but is just the opposite.
+ * $("p:visible").hide("slow");
+ */
+ hide: function(speed,callback){
+ return speed ? this.animate({
+ height: "hide", width: "hide", opacity: "hide"
+ }, speed, callback) : this._hide();
+ },
+
+ /**
+ * This function increases the height and opacity for all matched
+ * elements. This is very similar to 'show', but does not change
+ * the width - creating a neat sliding effect.
+ * $("p:hidden").slideDown("slow");
+ */
+ slideDown: function(speed,callback){
+ return this.animate({height: "show"}, speed, callback);
+ },
+
+ /**
+ * Just like slideDown, only it hides all matched elements.
+ * $("p:visible").slideUp("slow");
+ */
+ slideUp: function(speed,callback){
+ return this.animate({height: "hide"}, speed, callback);
+ },
+
+ /**
+ * Adjusts the opacity of all matched elements from a hidden,
+ * to a fully visible, state.
+ * $("p:hidden").fadeIn("slow");
+ */
+ fadeIn: function(speed,callback){
+ return this.animate({opacity: "show"}, speed, callback);
+ },
+
+ /**
+ * Same as fadeIn, but transitions from a visible, to a hidden state.
+ * $("p:visible").fadeOut("slow");
+ */
+ fadeOut: function(speed,callback){
+ return this.animate({opacity: "hide"}, speed, callback);
+ },
+
+ /**
+ * ...
+ */
+ fadeTo: function(speed,to,callback){
+ return this.animate({opacity: to}, speed, callback);
+ },
+
+ /**
+ *
+ */
+ animate: function(prop,speed,callback) {
+ return this.queue(function(){
+ var i = 0;
+ for ( var p in prop ) {
+ var e = new jQuery.fx( this, jQuery.speed(speed,callback,i++), p );
+ if ( prop[p].constructor == Number )
+ e.custom( e.cur(), prop[p] );
+ else
+ e[ prop[p] ]();
+ }
+ });
+ },
+
+ /**
+ *
+ * @private
+ */
+ queue: function(type,fn){
+ if ( !fn ) {
+ fn = type;
+ type = "fx";
+ }
+
+ return this.each(function(){
+ if ( !this.queue )
+ this.queue = {};
+
+ if ( !this.queue[type] )
+ this.queue[type] = [];
+
+ this.queue[type].push( fn );
+
+ if ( this.queue[type].length == 1 )
+ fn.apply(this);
+ });
+ }
+
+});