From d1a4077fa8fa710b474ae052ff9d1d7a1ddc5779 Mon Sep 17 00:00:00 2001
From: Stefan Petre <stefan.petre@gmail.com>
Date: Thu, 4 Jan 2007 12:37:50 +0000
Subject: [PATCH] Added transition effect

---
 src/fx/fx.js | 1099 +++++++++++++++++++++++++++-----------------------
 1 file changed, 600 insertions(+), 499 deletions(-)

diff --git a/src/fx/fx.js b/src/fx/fx.js
index dd72c6505..1a077f0a9 100644
--- a/src/fx/fx.js
+++ b/src/fx/fx.js
@@ -1,499 +1,600 @@
-jQuery.fn.extend({
-
-	// overwrite the old show method
-	_show: jQuery.fn.show,
-	
-	/**
-	 * Show all matched elements using a graceful animation and firing an
-	 * optional callback after completion.
-	 *
-	 * The height, width, and opacity of each of the matched elements 
-	 * are changed dynamically according to the specified speed.
-	 *
-	 * @example $("p").show("slow");
-	 *
-	 * @example $("p").show("slow",function(){
-	 *   alert("Animation Done.");
-	 * });
-	 *
-	 * @name show
-	 * @type jQuery
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 * @see hide(String|Number,Function)
-	 */
-	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,
-	
-	/**
-	 * Hide all matched elements using a graceful animation and firing an
-	 * optional callback after completion.
-	 *
-	 * The height, width, and opacity of each of the matched elements 
-	 * are changed dynamically according to the specified speed.
-	 *
-	 * @example $("p").hide("slow");
-	 *
-	 * @example $("p").hide("slow",function(){
-	 *   alert("Animation Done.");
-	 * });
-	 *
-	 * @name hide
-	 * @type jQuery
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 * @see show(String|Number,Function)
-	 */
-	hide: function(speed,callback){
-		return speed ? this.animate({
-			height: "hide", width: "hide", opacity: "hide"
-		}, speed, callback) : this._hide();
-	},
-	
-	/**
-	 * Reveal all matched elements by adjusting their height and firing an
-	 * optional callback after completion.
-	 *
-	 * Only the height is adjusted for this animation, causing all matched
-	 * elements to be revealed in a "sliding" manner.
-	 *
-	 * @example $("p").slideDown("slow");
-	 *
-	 * @example $("p").slideDown("slow",function(){
-	 *   alert("Animation Done.");
-	 * });
-	 *
-	 * @name slideDown
-	 * @type jQuery
-	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 * @see slideUp(String|Number,Function)
-	 * @see slideToggle(String|Number,Function)
-	 */
-	slideDown: function(speed,callback){
-		return this.animate({height: "show"}, speed, callback);
-	},
-	
-	/**
-	 * Hide all matched elements by adjusting their height and firing an
-	 * optional callback after completion.
-	 *
-	 * Only the height is adjusted for this animation, causing all matched
-	 * elements to be hidden in a "sliding" manner.
-	 *
-	 * @example $("p").slideUp("slow");
-	 *
-	 * @example $("p").slideUp("slow",function(){
-	 *   alert("Animation Done.");
-	 * });
-	 *
-	 * @name slideUp
-	 * @type jQuery
-	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 * @see slideDown(String|Number,Function)
-	 * @see slideToggle(String|Number,Function)
-	 */
-	slideUp: function(speed,callback){
-		return this.animate({height: "hide"}, speed, callback);
-	},
-
-	/**
-	 * Toggle the visibility of all matched elements by adjusting their height and firing an
-	 * optional callback after completion.
-	 *
-	 * Only the height is adjusted for this animation, causing all matched
-	 * elements to be hidden in a "sliding" manner.
-	 *
-	 * @example $("p").slideToggle("slow");
-	 *
-	 * @example $("p").slideToggle("slow",function(){
-	 *   alert("Animation Done.");
-	 * });
-	 *
-	 * @name slideToggle
-	 * @type jQuery
-	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 * @see slideDown(String|Number,Function)
-	 * @see slideUp(String|Number,Function)
-	 */
-	slideToggle: function(speed, callback){
-		return this.each(function(){
-			var state = jQuery(this).is(":hidden") ? "show" : "hide";
-			jQuery(this).animate({height: state}, speed, callback);
-		});
-	},
-	
-	/**
-	 * Fade in all matched elements by adjusting their opacity and firing an
-	 * optional callback after completion.
-	 *
-	 * Only the opacity is adjusted for this animation, meaning that
-	 * all of the matched elements should already have some form of height
-	 * and width associated with them.
-	 *
-	 * @example $("p").fadeIn("slow");
-	 *
-	 * @example $("p").fadeIn("slow",function(){
-	 *   alert("Animation Done.");
-	 * });
-	 *
-	 * @name fadeIn
-	 * @type jQuery
-	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 * @see fadeOut(String|Number,Function)
-	 * @see fadeTo(String|Number,Number,Function)
-	 */
-	fadeIn: function(speed, callback){
-		return this.animate({opacity: "show"}, speed, callback);
-	},
-	
-	/**
-	 * Fade out all matched elements by adjusting their opacity and firing an
-	 * optional callback after completion.
-	 *
-	 * Only the opacity is adjusted for this animation, meaning that
-	 * all of the matched elements should already have some form of height
-	 * and width associated with them.
-	 *
-	 * @example $("p").fadeOut("slow");
-	 *
-	 * @example $("p").fadeOut("slow",function(){
-	 *   alert("Animation Done.");
-	 * });
-	 *
-	 * @name fadeOut
-	 * @type jQuery
-	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 * @see fadeIn(String|Number,Function)
-	 * @see fadeTo(String|Number,Number,Function)
-	 */
-	fadeOut: function(speed, callback){
-		return this.animate({opacity: "hide"}, speed, callback);
-	},
-	
-	/**
-	 * Fade the opacity of all matched elements to a specified opacity and firing an
-	 * optional callback after completion.
-	 *
-	 * Only the opacity is adjusted for this animation, meaning that
-	 * all of the matched elements should already have some form of height
-	 * and width associated with them.
-	 *
-	 * @example $("p").fadeTo("slow", 0.5);
-	 *
-	 * @example $("p").fadeTo("slow", 0.5, function(){
-	 *   alert("Animation Done.");
-	 * });
-	 *
-	 * @name fadeTo
-	 * @type jQuery
-	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Number opacity The opacity to fade to (a number from 0 to 1).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 * @see fadeIn(String|Number,Function)
-	 * @see fadeOut(String|Number,Function)
-	 */
-	fadeTo: function(speed,to,callback){
-		return this.animate({opacity: to}, speed, callback);
-	},
-	
-	/**
-	 * A function for making your own, custom, animations. The key aspect of
-	 * this function is the object of style properties that will be animated,
-	 * and to what end. Each key within the object represents a style property
-	 * that will also be animated (for example: "height", "top", or "opacity").
-	 *
-	 * The value associated with the key represents to what end the property
-	 * will be animated. If a number is provided as the value, then the style
-	 * property will be transitioned from its current state to that new number.
-	 * Oterwise if the string "hide", "show", or "toggle" is provided, a default
-	 * animation will be constructed for that property.
-	 *
-	 * @example $("p").animate({
-	 *   height: 'toggle', opacity: 'toggle'
-	 * }, "slow");
-	 *
-	 * @example $("p").animate({
-	 *   left: 50, opacity: 'show'
-	 * }, 500);
-	 *
-	 * @name animate
-	 * @type jQuery
-	 * @param Hash params A set of style attributes that you wish to animate, and to what end.
-	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
-	 * @param Function callback (optional) A function to be executed whenever the animation completes.
-	 * @cat Effects/Animations
-	 */
-	animate: function(prop,speed,callback) {
-		return this.queue(function(){
-		
-			this.curAnim = jQuery.extend({}, prop);
-			
-			for ( var p in prop ) {
-				var e = new jQuery.fx( this, jQuery.speed(speed,callback), p );
-				if ( prop[p].constructor == Number )
-					e.custom( e.cur(), prop[p] );
-				else
-					e[ prop[p] ]( prop );
-			}
-			
-		});
-	},
-	
-	/**
-	 *
-	 * @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);
-		});
-	}
-
-});
-
-jQuery.extend({
-	
-	speed: function(s,o) {
-		o = o || {};
-		
-		if ( o.constructor == Function )
-			o = { complete: o };
-		
-		var ss = { slow: 600, fast: 200 };
-		o.duration = (s && s.constructor == Number ? s : ss[s]) || 400;
-	
-		// Queueing
-		o.oldComplete = o.complete;
-		o.complete = function(){
-			jQuery.dequeue(this, "fx");
-			if ( o.oldComplete && o.oldComplete.constructor == Function )
-				o.oldComplete.apply( this );
-		};
-	
-		return o;
-	},
-	
-	queue: {},
-	
-	dequeue: function(elem,type){
-		type = type || "fx";
-	
-		if ( elem.queue && elem.queue[type] ) {
-			// Remove self
-			elem.queue[type].shift();
-	
-			// Get next function
-			var f = elem.queue[type][0];
-		
-			if ( f ) f.apply( elem );
-		}
-	},
-
-	/*
-	 * I originally wrote fx() as a clone of moo.fx and in the process
-	 * of making it small in size the code became illegible to sane
-	 * people. You've been warned.
-	 */
-	
-	fx: function( elem, options, prop ){
-
-		var z = this;
-
-		// The users options
-		z.o = {
-			duration: options.duration || 400,
-			complete: options.complete,
-			step: options.step
-		};
-
-		// The element
-		z.el = elem;
-
-		// The styles
-		var y = z.el.style;
-		
-		// Store display property
-		var oldDisplay = jQuery.css(z.el, 'display');
-		// Set display property to block for animation
-		y.display = "block";
-		// Make sure that nothing sneaks out
-		y.overflow = "hidden";
-
-		// Simple function for setting a style value
-		z.a = function(){
-			if ( options.step )
-				options.step.apply( elem, [ z.now ] );
-
-			if ( prop == "opacity" )
-				jQuery.attr(y, "opacity", z.now); // Let attr handle opacity
-			else if ( parseInt(z.now) ) // My hate for IE will never die
-				y[prop] = parseInt(z.now) + "px";
-		};
-
-		// Figure out the maximum number to run to
-		z.max = function(){
-			return parseFloat( jQuery.css(z.el,prop) );
-		};
-
-		// Get the current size
-		z.cur = function(){
-			var r = parseFloat( jQuery.curCSS(z.el, prop) );
-			return r && r > -10000 ? r : z.max();
-		};
-
-		// Start an animation from one number to another
-		z.custom = function(from,to){
-			z.startTime = (new Date()).getTime();
-			z.now = from;
-			z.a();
-
-			z.timer = setInterval(function(){
-				z.step(from, to);
-			}, 13);
-		};
-
-		// Simple 'show' function
-		z.show = function(){
-			if ( !z.el.orig ) z.el.orig = {};
-
-			// Remember where we started, so that we can go back to it later
-			z.el.orig[prop] = this.cur();
-
-			z.o.show = true;
-
-			// Begin the animation
-			z.custom(0, z.el.orig[prop]);
-
-			// Stupid IE, look what you made me do
-			if ( prop != "opacity" )
-				y[prop] = "1px";
-		};
-
-		// Simple 'hide' function
-		z.hide = function(){
-			if ( !z.el.orig ) z.el.orig = {};
-
-			// Remember where we started, so that we can go back to it later
-			z.el.orig[prop] = this.cur();
-
-			z.o.hide = true;
-
-			// Begin the animation
-			z.custom(z.el.orig[prop], 0);
-		};
-		
-		//Simple 'toggle' function
-		z.toggle = function() {
-			if ( !z.el.orig ) z.el.orig = {};
-
-			// Remember where we started, so that we can go back to it later
-			z.el.orig[prop] = this.cur();
-
-			if(oldDisplay == 'none')  {
-				z.o.show = true;
-				
-				// Stupid IE, look what you made me do
-				if ( prop != "opacity" )
-					y[prop] = "1px";
-
-				// Begin the animation
-				z.custom(0, z.el.orig[prop]);	
-			} else {
-				z.o.hide = true;
-
-				// Begin the animation
-				z.custom(z.el.orig[prop], 0);
-			}		
-		};
-
-		// Each step of an animation
-		z.step = function(firstNum, lastNum){
-			var t = (new Date()).getTime();
-
-			if (t > z.o.duration + z.startTime) {
-				// Stop the timer
-				clearInterval(z.timer);
-				z.timer = null;
-
-				z.now = lastNum;
-				z.a();
-
-				if (z.el.curAnim) z.el.curAnim[ prop ] = true;
-
-				var done = true;
-				for ( var i in z.el.curAnim )
-					if ( z.el.curAnim[i] !== true )
-						done = false;
-
-				if ( done ) {
-					// Reset the overflow
-					y.overflow = '';
-					
-					// Reset the display
-					y.display = oldDisplay;
-					if (jQuery.css(z.el, 'display') == 'none')
-						y.display = 'block';
-
-					// Hide the element if the "hide" operation was done
-					if ( z.o.hide ) 
-						y.display = 'none';
-
-					// Reset the properties, if the item has been hidden or shown
-					if ( z.o.hide || z.o.show )
-						for ( var p in z.el.curAnim )
-							if (p == "opacity")
-								jQuery.attr(y, p, z.el.orig[p]);
-							else
-								y[p] = '';
-				}
-
-				// If a callback was provided, execute it
-				if( done && z.o.complete && z.o.complete.constructor == Function )
-					// Execute the complete function
-					z.o.complete.apply( z.el );
-			} else {
-				// Figure out where in the animation we are and set the number
-				var p = (t - this.startTime) / z.o.duration;
-				z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;
-
-				// Perform the next step of the animation
-				z.a();
-			}
-		};
-	
-	}
-
-});
+jQuery.fn.extend({
+
+	// overwrite the old show method
+	_show: jQuery.fn.show,
+	
+	/**
+	 * Show all matched elements using a graceful animation and firing an
+	 * optional callback after completion.
+	 *
+	 * The height, width, and opacity of each of the matched elements 
+	 * are changed dynamically according to the specified speed.
+	 *
+	 * @example $("p").show("slow");
+	 *
+	 * @example $("p").show("slow",function(){
+	 *   alert("Animation Done.");
+	 * });
+	 *
+	 * @name show
+	 * @type jQuery
+	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 * @see hide(String|Number,Function)
+	 */
+	show: function(speed,callback, transition){
+		return speed ? this.animate({
+			height: "show", width: "show", opacity: "show"
+		}, speed, callback, transition) : this._show();
+	},
+	
+	// Overwrite the old hide method
+	_hide: jQuery.fn.hide,
+	
+	/**
+	 * Hide all matched elements using a graceful animation and firing an
+	 * optional callback after completion.
+	 *
+	 * The height, width, and opacity of each of the matched elements 
+	 * are changed dynamically according to the specified speed.
+	 *
+	 * @example $("p").hide("slow");
+	 *
+	 * @example $("p").hide("slow",function(){
+	 *   alert("Animation Done.");
+	 * });
+	 *
+	 * @name hide
+	 * @type jQuery
+	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 * @see show(String|Number,Function)
+	 */
+	hide: function(speed,callback, transition){
+		return speed ? this.animate({
+			height: "hide", width: "hide", opacity: "hide"
+		}, speed, callback, transition) : this._hide();
+	},
+	
+	/**
+	 * Reveal all matched elements by adjusting their height and firing an
+	 * optional callback after completion.
+	 *
+	 * Only the height is adjusted for this animation, causing all matched
+	 * elements to be revealed in a "sliding" manner.
+	 *
+	 * @example $("p").slideDown("slow");
+	 *
+	 * @example $("p").slideDown("slow",function(){
+	 *   alert("Animation Done.");
+	 * });
+	 *
+	 * @name slideDown
+	 * @type jQuery
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 * @see slideUp(String|Number,Function)
+	 * @see slideToggle(String|Number,Function)
+	 */
+	slideDown: function(speed,callback, transition){
+		return this.animate({height: "show"}, speed, callback, transition);
+	},
+	
+	/**
+	 * Hide all matched elements by adjusting their height and firing an
+	 * optional callback after completion.
+	 *
+	 * Only the height is adjusted for this animation, causing all matched
+	 * elements to be hidden in a "sliding" manner.
+	 *
+	 * @example $("p").slideUp("slow");
+	 *
+	 * @example $("p").slideUp("slow",function(){
+	 *   alert("Animation Done.");
+	 * });
+	 *
+	 * @name slideUp
+	 * @type jQuery
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 * @see slideDown(String|Number,Function)
+	 * @see slideToggle(String|Number,Function)
+	 */
+	slideUp: function(speed,callback, transition){
+		return this.animate({height: "hide"}, speed, callback, transition);
+	},
+
+	/**
+	 * Toggle the visibility of all matched elements by adjusting their height and firing an
+	 * optional callback after completion.
+	 *
+	 * Only the height is adjusted for this animation, causing all matched
+	 * elements to be hidden in a "sliding" manner.
+	 *
+	 * @example $("p").slideToggle("slow");
+	 *
+	 * @example $("p").slideToggle("slow",function(){
+	 *   alert("Animation Done.");
+	 * });
+	 *
+	 * @name slideToggle
+	 * @type jQuery
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 * @see slideDown(String|Number,Function)
+	 * @see slideUp(String|Number,Function)
+	 */
+	slideToggle: function(speed, callback, transition){
+		return this.each(function(){
+			var state = jQuery(this).is(":hidden") ? "show" : "hide";
+			jQuery(this).animate({height: state}, speed, callback, transition);
+		});
+	},
+	
+	/**
+	 * Fade in all matched elements by adjusting their opacity and firing an
+	 * optional callback after completion.
+	 *
+	 * Only the opacity is adjusted for this animation, meaning that
+	 * all of the matched elements should already have some form of height
+	 * and width associated with them.
+	 *
+	 * @example $("p").fadeIn("slow");
+	 *
+	 * @example $("p").fadeIn("slow",function(){
+	 *   alert("Animation Done.");
+	 * });
+	 *
+	 * @name fadeIn
+	 * @type jQuery
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 * @see fadeOut(String|Number,Function)
+	 * @see fadeTo(String|Number,Number,Function)
+	 */
+	fadeIn: function(speed, callback, transition){
+		return this.animate({opacity: "show"}, speed, callback, transition);
+	},
+	
+	/**
+	 * Fade out all matched elements by adjusting their opacity and firing an
+	 * optional callback after completion.
+	 *
+	 * Only the opacity is adjusted for this animation, meaning that
+	 * all of the matched elements should already have some form of height
+	 * and width associated with them.
+	 *
+	 * @example $("p").fadeOut("slow");
+	 *
+	 * @example $("p").fadeOut("slow",function(){
+	 *   alert("Animation Done.");
+	 * });
+	 *
+	 * @name fadeOut
+	 * @type jQuery
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 * @see fadeIn(String|Number,Function)
+	 * @see fadeTo(String|Number,Number,Function)
+	 */
+	fadeOut: function(speed, callback, transition){
+		return this.animate({opacity: "hide"}, speed, callback, transition);
+	},
+	
+	/**
+	 * Fade the opacity of all matched elements to a specified opacity and firing an
+	 * optional callback after completion.
+	 *
+	 * Only the opacity is adjusted for this animation, meaning that
+	 * all of the matched elements should already have some form of height
+	 * and width associated with them.
+	 *
+	 * @example $("p").fadeTo("slow", 0.5);
+	 *
+	 * @example $("p").fadeTo("slow", 0.5, function(){
+	 *   alert("Animation Done.");
+	 * });
+	 *
+	 * @name fadeTo
+	 * @type jQuery
+	 * @param String|Number speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Number opacity The opacity to fade to (a number from 0 to 1).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 * @see fadeIn(String|Number,Function)
+	 * @see fadeOut(String|Number,Function)
+	 */
+	fadeTo: function(speed,to,callback, transition){
+		return this.animate({opacity: to}, speed, callback, transition);
+	},
+	
+	/**
+	 * A function for making your own, custom, animations. The key aspect of
+	 * this function is the object of style properties that will be animated,
+	 * and to what end. Each key within the object represents a style property
+	 * that will also be animated (for example: "height", "top", or "opacity").
+	 *
+	 * The value associated with the key represents to what end the property
+	 * will be animated. If a number is provided as the value, then the style
+	 * property will be transitioned from its current state to that new number.
+	 * Oterwise if the string "hide", "show", or "toggle" is provided, a default
+	 * animation will be constructed for that property.
+	 *
+	 * @example $("p").animate({
+	 *   height: 'toggle', opacity: 'toggle'
+	 * }, "slow");
+	 *
+	 * @example $("p").animate({
+	 *   left: 50, opacity: 'show'
+	 * }, 500);
+	 *
+	 * @name animate
+	 * @type jQuery
+	 * @param Hash params A set of style attributes that you wish to animate, and to what end.
+	 * @param String|Number speed (optional) A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
+	 * @param Function callback (optional) A function to be executed whenever the animation completes.
+	 * @param String transition (optional) Transition effect
+	 * @cat Effects/Animations
+	 */
+	animate: function(prop,speed,callback, transition) {
+		return this.queue(function(){
+		
+			this.curAnim = jQuery.extend({}, prop);
+			
+			for ( var p in prop ) {
+				var e = new jQuery.fx( this, jQuery.speed(speed,callback), p, transition );
+				if ( prop[p].constructor == Number )
+					e.custom( e.cur(), prop[p] );
+				else
+					e[ prop[p] ]( prop );
+			}
+			
+		});
+	},
+	
+	/**
+	 *
+	 * @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);
+		});
+	}
+
+});
+
+jQuery.extend({
+	
+	speed: function(s,o) {
+		o = o || {};
+		
+		if ( o.constructor == Function )
+			o = { complete: o };
+		
+		var ss = { slow: 600, fast: 200 };
+		o.duration = (s && s.constructor == Number ? s : ss[s]) || 400;
+	
+		// Queueing
+		o.oldComplete = o.complete;
+		o.complete = function(){
+			jQuery.dequeue(this, "fx");
+			if ( o.oldComplete && o.oldComplete.constructor == Function )
+				o.oldComplete.apply( this );
+		};
+	
+		return o;
+	},
+	
+	queue: {},
+	
+	dequeue: function(elem,type){
+		type = type || "fx";
+	
+		if ( elem.queue && elem.queue[type] ) {
+			// Remove self
+			elem.queue[type].shift();
+	
+			// Get next function
+			var f = elem.queue[type][0];
+		
+			if ( f ) f.apply( elem );
+		}
+	},
+
+	/*
+	 * I originally wrote fx() as a clone of moo.fx and in the process
+	 * of making it small in size the code became illegible to sane
+	 * people. You've been warned.
+	 */
+	
+	fx: function( elem, options, prop, transition ){
+
+		var z = this;
+
+		// The users options
+		z.o = {
+			duration: options.duration || 400,
+			complete: options.complete,
+			step: options.step,
+			transition : /easein|easeout|easeboth|bouncein|bounceout|bounceboth|elasticin|elasticout|elasticboth/.test(transition) ? transition : 'original'
+		};
+		
+		// The element
+		z.el = elem;
+
+		// The styles
+		var y = z.el.style;
+		
+		// Store display property
+		var oldDisplay = jQuery.css(z.el, 'display');
+		// Set display property to block for animation
+		y.display = "block";
+		// Make sure that nothing sneaks out
+		y.overflow = "hidden";
+
+		// Simple function for setting a style value
+		z.a = function(){
+			if ( options.step )
+				options.step.apply( elem, [ z.now ] );
+
+			if ( prop == "opacity" )
+				jQuery.attr(y, "opacity", z.now); // Let attr handle opacity
+			else if ( parseInt(z.now) ) // My hate for IE will never die
+				y[prop] = parseInt(z.now) + "px";
+		};
+
+		// Figure out the maximum number to run to
+		z.max = function(){
+			return parseFloat( jQuery.css(z.el,prop) );
+		};
+
+		// Get the current size
+		z.cur = function(){
+			var r = parseFloat( jQuery.curCSS(z.el, prop) );
+			return r && r > -10000 ? r : z.max();
+		};
+
+		// Start an animation from one number to another
+		z.custom = function(from,to){
+			z.startTime = (new Date()).getTime();
+			z.now = from;
+			z.a();
+
+			z.timer = setInterval(function(){
+				z.step(from, to);
+			}, 13);
+		};
+
+		// Simple 'show' function
+		z.show = function(){
+			if ( !z.el.orig ) z.el.orig = {};
+
+			// Remember where we started, so that we can go back to it later
+			z.el.orig[prop] = this.cur();
+
+			z.o.show = true;
+
+			// Begin the animation
+			z.custom(0, z.el.orig[prop]);
+
+			// Stupid IE, look what you made me do
+			if ( prop != "opacity" )
+				y[prop] = "1px";
+		};
+
+		// Simple 'hide' function
+		z.hide = function(){
+			if ( !z.el.orig ) z.el.orig = {};
+
+			// Remember where we started, so that we can go back to it later
+			z.el.orig[prop] = this.cur();
+
+			z.o.hide = true;
+
+			// Begin the animation
+			z.custom(z.el.orig[prop], 0);
+		};
+		
+		//Simple 'toggle' function
+		z.toggle = function() {
+			if ( !z.el.orig ) z.el.orig = {};
+
+			// Remember where we started, so that we can go back to it later
+			z.el.orig[prop] = this.cur();
+
+			if(oldDisplay == 'none')  {
+				z.o.show = true;
+				
+				// Stupid IE, look what you made me do
+				if ( prop != "opacity" )
+					y[prop] = "1px";
+
+				// Begin the animation
+				z.custom(0, z.el.orig[prop]);	
+			} else {
+				z.o.hide = true;
+
+				// Begin the animation
+				z.custom(z.el.orig[prop], 0);
+			}		
+		};
+
+		// Each step of an animation
+		z.step = function(firstNum, lastNum){
+			var t = (new Date()).getTime();
+
+			if (t > z.o.duration + z.startTime) {
+				// Stop the timer
+				clearInterval(z.timer);
+				z.timer = null;
+
+				z.now = lastNum;
+				z.a();
+
+				if (z.el.curAnim) z.el.curAnim[ prop ] = true;
+
+				var done = true;
+				for ( var i in z.el.curAnim )
+					if ( z.el.curAnim[i] !== true )
+						done = false;
+
+				if ( done ) {
+					// Reset the overflow
+					y.overflow = '';
+					
+					// Reset the display
+					y.display = oldDisplay;
+					if (jQuery.css(z.el, 'display') == 'none')
+						y.display = 'block';
+
+					// Hide the element if the "hide" operation was done
+					if ( z.o.hide ) 
+						y.display = 'none';
+
+					// Reset the properties, if the item has been hidden or shown
+					if ( z.o.hide || z.o.show )
+						for ( var p in z.el.curAnim )
+							if (p == "opacity")
+								jQuery.attr(y, p, z.el.orig[p]);
+							else
+								y[p] = '';
+				}
+
+				// If a callback was provided, execute it
+				if( done && z.o.complete && z.o.complete.constructor == Function )
+					// Execute the complete function
+					z.o.complete.apply( z.el );
+			} else {
+				var n = t - this.startTime;
+				// Figure out where in the animation we are and set the number
+				var p = n / z.o.duration;
+				//z.now = ((-Math.cos(p*Math.PI)/2) + 0.5) * (lastNum-firstNum) + firstNum;
+				z.now = jQuery.transitions(p, n,  firstNum, (lastNum-firstNum), z.o.duration, z.o.transition);
+
+				// Perform the next step of the animation
+				z.a();
+			}
+		};
+	
+	},
+	
+	transitions :  function(p, n, firstNum, delta, duration, type) {
+		var nm, m, a, s;
+		if (type == 'original') {
+			return ((-Math.cos(p*Math.PI)/2) + 0.5) * delta + firstNum;
+		}
+		if (type == 'easein') {
+			return delta*(n/=duration)*n*n + firstNum;
+		}
+		if (type == 'easeout') {
+			return -delta * ((n=n/duration-1)*n*n*n - 1) + firstNum;
+		}
+		if (type == 'easeboth') {
+			if ((n/=duration/2) < 1)
+				return delta/2*n*n*n*n + firstNum;
+				return -delta/2 * ((n-=2)*n*n*n - 2) + firstNum;
+		}
+		if (type == 'easeboth') {
+			if ((n/=duration/2) < 1)
+				return delta/2*n*n*n*n + firstNum;
+			return -delta/2 * ((n-=2)*n*n*n - 2) + firstNum;
+		}
+		if (type == 'bounceout') {
+			if ((n/=duration) < (1/2.75)) {
+				return delta*(7.5625*n*n) + firstNum;
+			} else if (n < (2/2.75)) {
+				return delta*(7.5625*(n-=(1.5/2.75))*n + .75) + firstNum;
+			} else if (n < (2.5/2.75)) {
+				return delta*(7.5625*(n-=(2.25/2.75))*n + .9375) + firstNum;
+			} else {
+				return delta*(7.5625*(n-=(2.625/2.75))*n + .984375) + firstNum;
+			}
+		}
+		if (type == 'bouncein') {
+			return delta - jQuery.transitions (p, duration - n, 0, delta, duration, 'bounceout') + firstNum; 
+		}
+		if (type == 'bounceboth') {
+		   if (n < duration/2) return jQuery.transitions(p, n*2, 0, delta, duration, 'bouncein') * .5 + firstNum;
+		   return jQuery.transitions(p, n*2-duration, 0, delta, duration, 'bounceout') * .5 + delta*.5 + firstNum; 
+		}
+		if (type == 'elasticin') {
+   			if (n == 0)
+   				return firstNum;
+   			if ((n/=duration)==1)
+   				return firstNum+delta;
+   			a = delta * 0.3;
+   			p=duration*.3;
+			if (a < Math.abs(delta)) {
+				a=delta;
+				s=p/4;
+			} else { 
+				s = p/(2*Math.PI) * Math.asin (delta/a);
+			}
+			return -(a*Math.pow(2,10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )) + firstNum; 
+		}
+		if (type == 'elasticout') {
+			if (n==0)
+				return firstNum;
+			if ((n/=duration/2)==2)
+				return firstNum + delta;
+   			a = delta * 0.3;
+   			p=duration*.3;
+			if (a < Math.abs(delta)){
+				a = delta;
+				s=p/4;
+			} else { 
+				s = p/(2*Math.PI) * Math.asin (delta/a);
+			}
+			return a*Math.pow(2,-10*n) * Math.sin( (n*duration-s)*(2*Math.PI)/p ) + delta + firstNum;
+		}
+		if (type == 'elasticboth') {
+			if (n==0)
+				return firstNum;
+			if ((n/=duration/2)==2)
+				return firstNum + delta;
+   			a = delta * 0.3;
+   			p=duration*.3;
+			if (a < Math.abs(delta)){
+				a = delta;
+				s=p/4;
+			} else { 
+				s = p/(2*Math.PI) * Math.asin (delta/a);
+			}
+			if (n < 1) {
+				return -.5*(a*Math.pow(2,10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )) + firstNum;
+			}
+			return a*Math.pow(2,-10*(n-=1)) * Math.sin( (n*duration-s)*(2*Math.PI)/p )*.5 + delta + firstNum; 
+		}
+	}
+
+});
-- 
2.39.5