jQuery.fn.extend({
-
- // overwrite the old show method
- _show: jQuery.fn.show,
-
- /**
- * Show all matched elements using a graceful animation.
- * The height, width, and opacity of each of the matched elements
- * are changed dynamically according to the specified speed.
- *
- * @example $("p").show("slow");
- *
- * @name show
- * @type jQuery
- * @param Object 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).
- * @cat Effects/Animations
- */
-
- /**
- * Show all matched elements using a graceful animation and firing a callback
- * function 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",function(){
- * alert("Animation Done.");
- * });
- *
- * @name show
- * @type jQuery
- * @param Object 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 A function to be executed whenever the animation completes.
- * @cat Effects/Animations
- */
show: function(speed,callback){
- return speed ? this.animate({
- height: "show", width: "show", opacity: "show"
- }, speed, callback) : this._show();
+ return speed ?
+ this.animate({
+ height: "show", width: "show", opacity: "show"
+ }, speed, callback) :
+
+ this.filter(":hidden").each(function(){
+ this.style.display = this.oldblock ? this.oldblock : "";
+ if ( jQuery.css(this,"display") == "none" )
+ this.style.display = "block";
+ }).end();
},
- // Overwrite the old hide method
- _hide: jQuery.fn.hide,
-
- /**
- * Hide all matched elements using a graceful animation.
- * The height, width, and opacity of each of the matched elements
- * are changed dynamically according to the specified speed.
- *
- * @example $("p").hide("slow");
- *
- * @name hide
- * @type jQuery
- * @param Object 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).
- * @cat Effects/Animations
- */
-
- /**
- * Hide all matched elements using a graceful animation and firing a callback
- * function 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",function(){
- * alert("Animation Done.");
- * });
- *
- * @name hide
- * @type jQuery
- * @param Object 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 A function to be executed whenever the animation completes.
- * @cat Effects/Animations
- */
hide: function(speed,callback){
- return speed ? this.animate({
- height: "hide", width: "hide", opacity: "hide"
- }, speed, callback) : this._hide();
+ return speed ?
+ this.animate({
+ height: "hide", width: "hide", opacity: "hide"
+ }, speed, callback) :
+
+ this.filter(":visible").each(function(){
+ this.oldblock = this.oldblock || jQuery.css(this,"display");
+ if ( this.oldblock == "none" )
+ this.oldblock = "block";
+ this.style.display = "none";
+ }).end();
+ },
+
+ // Save the old toggle function
+ _toggle: jQuery.fn.toggle,
+
+ toggle: function( fn, fn2 ){
+ return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ?
+ this._toggle( fn, fn2 ) :
+ fn ?
+ this.animate({
+ height: "toggle", width: "toggle", opacity: "toggle"
+ }, fn, fn2) :
+ this.each(function(){
+ jQuery(this)[ jQuery(this).is(":hidden") ? "show" : "hide" ]();
+ });
},
- /**
- * Reveal all matched elements by adjusting their height.
- * Only the height is adjusted for this animation, causing all matched
- * elements to be revealed in a "sliding" manner.
- *
- * @example $("p").slideDown("slow");
- *
- * @name slideDown
- * @type jQuery
- * @param Object 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).
- * @cat Effects/Animations
- */
-
- /**
- * Reveal all matched elements by adjusting their height and firing a callback
- * function 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",function(){
- * alert("Animation Done.");
- * });
- *
- * @name slideDown
- * @type jQuery
- * @param Object 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 A function to be executed whenever the animation completes.
- * @cat Effects/Animations
- */
slideDown: function(speed,callback){
return this.animate({height: "show"}, speed, callback);
},
- /**
- * Hide all matched elements by adjusting their height.
- * Only the height is adjusted for this animation, causing all matched
- * elements to be hidden in a "sliding" manner.
- *
- * @example $("p").slideUp("slow");
- *
- * @name slideUp
- * @type jQuery
- * @param Object 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).
- * @cat Effects/Animations
- */
-
- /**
- * Hide all matched elements by adjusting their height and firing a callback
- * function 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",function(){
- * alert("Animation Done.");
- * });
- *
- * @name slideUp
- * @type jQuery
- * @param Object 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 A function to be executed whenever the animation completes.
- * @cat Effects/Animations
- */
slideUp: function(speed,callback){
return this.animate({height: "hide"}, speed, callback);
},
- slideToggle: function(speed,callback){
- return this.each(function(){
- var state = $(this).is(":hidden") ? "show" : "hide";
- $(this).animate({height: state}, speed, callback);
- });
+ slideToggle: function(speed, callback){
+ return this.animate({height: "toggle"}, speed, callback);
},
- /**
- * Fade in all matched elements by adjusting their opacity.
- * 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");
- *
- * @name fadeIn
- * @type jQuery
- * @param Object 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).
- * @cat Effects/Animations
- */
-
- /**
- * Fade in all matched elements by adjusting their opacity and firing a
- * callback function 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",function(){
- * alert("Animation Done.");
- * });
- *
- * @name fadeIn
- * @type jQuery
- * @param Object 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 A function to be executed whenever the animation completes.
- * @cat Effects/Animations
- */
- fadeIn: function(speed,callback){
+ fadeIn: function(speed, callback){
return this.animate({opacity: "show"}, speed, callback);
},
- /**
- * Fade out all matched elements by adjusting their opacity.
- * 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");
- *
- * @name fadeOut
- * @type jQuery
- * @param Object 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).
- * @cat Effects/Animations
- */
-
- /**
- * Fade out all matched elements by adjusting their opacity and firing a
- * callback function 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",function(){
- * alert("Animation Done.");
- * });
- *
- * @name fadeOut
- * @type jQuery
- * @param Object 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 A function to be executed whenever the animation completes.
- * @cat Effects/Animations
- */
- fadeOut: function(speed,callback){
+ fadeOut: function(speed, callback){
return this.animate({opacity: "hide"}, speed, callback);
},
- /**
- * Fade the opacity of all matched elements to a specified opacity.
- * 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);
- *
- * @name fadeTo
- * @type jQuery
- * @param Object 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).
- * @cat Effects/Animations
- */
-
- /**
- * Fade the opacity of all matched elements to a specified opacity and
- * firing a callback function 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 $("p").fadeTo("slow", 0.5, function(){
- * alert("Animation Done.");
- * });
- *
- * @name fadeTo
- * @type jQuery
- * @param Object speed A string representing one of the three predefined speeds ("slow", "normal", or "fast") or the number of milliseconds to run the animation (e.g. 1000).
- * @param Number opacity The opacity to fade to (a number from 0 to 1).
- * @param Function callback A function to be executed whenever the animation completes.
- * @cat Effects/Animations
- */
fadeTo: function(speed,to,callback){
return this.animate({opacity: to}, speed, callback);
},
- /**
- * @private
- */
- animate: function(prop,speed,callback) {
- return this.queue(function(){
-
- this.curAnim = prop;
+ animate: function( prop, speed, easing, callback ) {
+ var opt = jQuery.speed(speed, easing, callback);
+
+ return this[ opt.queue === false ? "each" : "queue" ](function(){
+ opt = jQuery.extend({}, opt);
+ var hidden = jQuery(this).is(":hidden"), self = this;
for ( var p in prop ) {
- var e = new jQuery.fx( this, jQuery.speed(speed,callback), p );
- if ( prop[p].constructor == Number )
- e.custom( e.cur(), prop[p] );
- else
- e[ prop[p] ]( prop );
+ if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden )
+ return jQuery.isFunction(opt.complete) && opt.complete.apply(this);
+
+ if ( p == "height" || p == "width" ) {
+ // Store display property
+ opt.display = jQuery.css(this, "display");
+
+ // Make sure that nothing sneaks out
+ opt.overflow = this.style.overflow;
+ }
}
+
+ if ( opt.overflow != null )
+ this.style.overflow = "hidden";
+
+ opt.curAnim = jQuery.extend({}, prop);
+ jQuery.each( prop, function(name, val){
+ var e = new jQuery.fx( self, opt, name );
+
+ if ( /toggle|show|hide/.test(val) )
+ e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop );
+ else {
+ var parts = val.toString().match(/^([+-]?)([\d.]+)(.*)$/),
+ start = e.cur(true) || 0;
+
+ if ( parts ) {
+ end = parseFloat(parts[2]),
+ unit = parts[3] || "px";
+
+ // We need to compute starting value
+ if ( unit != "px" ) {
+ self.style[ name ] = end + unit;
+ start = (end / e.cur(true)) * start;
+ self.style[ name ] = start + unit;
+ }
+
+ // If a +/- token was provided, we're doing a relative animation
+ if ( parts[1] )
+ end = ((parts[1] == "-" ? -1 : 1) * end) + start;
+
+ e.custom( start, end, unit );
+ } else
+ e.custom( start, val, "" );
+ }
+ });
+
+ // For JS strict compliance
+ return true;
});
},
- /**
- *
- * @private
- */
- queue: function(type,fn){
+ queue: function(type, fn){
if ( !fn ) {
fn = type;
type = "fx";
}
-
+
+ if ( !arguments.length )
+ return queue( this[0], type );
+
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);
+ if ( fn.constructor == Array )
+ queue(this, type, fn);
+ else {
+ queue(this, type).push( fn );
+
+ if ( queue(this, type).length == 1 )
+ fn.apply(this);
+ }
});
- }
+ },
-});
+ dequeue: function(type){
+ type = type || "fx";
-jQuery.extend({
+ return this.each(function(){
+ var q = queue(this, type);
- setAuto: function(e,p) {
- if ( e.notAuto ) return;
+ q.shift();
- if ( p == "height" && e.scrollHeight != parseInt(jQuery.curCSS(e,p)) ) return;
- if ( p == "width" && e.scrollWidth != parseInt(jQuery.curCSS(e,p)) ) return;
+ if ( q.length )
+ q[0].apply( this );
+ });
+ },
- // Remember the original height
- var a = e.style[p];
+ stop: function(){
+ var timers = jQuery.timers;
- // Figure out the size of the height right now
- var o = jQuery.curCSS(e,p,1);
+ return this.each(function(){
+ for ( var i = 0; i < timers.length; i++ )
+ if ( timers[i].elem == this )
+ timers.splice(i--, 1);
+ });
+ }
- if ( p == "height" && e.scrollHeight != o ||
- p == "width" && e.scrollWidth != o ) return;
+});
- // Set the height to auto
- e.style[p] = e.currentStyle ? "" : "auto";
+function queue( elem, type, array ) {
+ if ( !elem )
+ return;
- // See what the size of "auto" is
- var n = jQuery.curCSS(e,p,1);
+ if ( !elem.queue )
+ elem.queue = {};
- // Revert back to the original size
- if ( o != n && n != "auto" ) {
- e.style[p] = a;
- e.notAuto = true;
- }
- },
+ if ( !elem.queue[type] )
+ elem.queue[type] = [];
+
+ if ( array )
+ elem.queue[type] = jQuery.makeArray(array);
+
+ return elem.queue[type];
+}
+
+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;
+ speed: function(speed, easing, fn) {
+ var opt = speed && speed.constructor == Object ? speed : {
+ complete: fn || !fn && easing ||
+ jQuery.isFunction( speed ) && speed,
+ duration: speed,
+ easing: fn && easing || easing && easing.constructor != Function && easing
+ };
+
+ opt.duration = (opt.duration && opt.duration.constructor == Number ?
+ opt.duration :
+ { slow: 600, fast: 200 }[opt.duration]) || 400;
// Queueing
- o.oldComplete = o.complete;
- o.complete = function(){
- jQuery.dequeue(this, "fx");
- if ( o.oldComplete && o.oldComplete.constructor == Function )
- o.oldComplete.apply( this );
+ opt.old = opt.complete;
+ opt.complete = function(){
+ jQuery(this).dequeue();
+ if ( jQuery.isFunction( opt.old ) )
+ opt.old.apply( this );
};
- return o;
+ return opt;
},
- 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 );
+ easing: {
+ linear: function( p, n, firstNum, diff ) {
+ return firstNum + diff * p;
+ },
+ swing: function( p, n, firstNum, diff ) {
+ return ((-Math.cos(p*Math.PI)/2) + 0.5) * diff + firstNum;
}
},
-
- /*
- * 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.
- */
+ timers: [],
+
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;
-
- // Simple function for setting a style value
- z.a = function(){
- if ( options.step )
- options.step.apply( elem, [ z.now ] );
-
- if ( prop == "opacity" ) {
- if (jQuery.browser.mozilla && z.now == 1) z.now = 0.9999;
- if (window.ActiveXObject)
- y.filter = "alpha(opacity=" + z.now*100 + ")";
- else
- y.opacity = z.now;
-
- // My hate for IE will never die
- } else if ( parseInt(z.now) )
- y[prop] = parseInt(z.now) + "px";
+ this.options = options;
+ this.elem = elem;
+ this.prop = prop;
+
+ if ( !options.orig )
+ options.orig = {};
+ }
+
+});
+
+jQuery.fx.prototype = {
+
+ // Simple function for setting a style value
+ update: function(){
+ if ( this.options.step )
+ this.options.step.apply( this.elem, [ this.now, this ] );
+
+ (jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this );
+
+ // Set display property to block for height/width animations
+ if ( this.prop == "height" || this.prop == "width" )
+ this.elem.style.display = "block";
+ },
+
+ // Get the current size
+ cur: function(force){
+ if ( this.elem[this.prop] != null && this.elem.style[this.prop] == null )
+ return this.elem[ this.prop ];
+
+ var r = parseFloat(jQuery.curCSS(this.elem, this.prop, force));
+ return r && r > -10000 ? r : parseFloat(jQuery.css(this.elem, this.prop)) || 0;
+ },
+
+ // Start an animation from one number to another
+ custom: function(from, to, unit){
+ this.startTime = (new Date()).getTime();
+ this.start = from;
+ this.end = to;
+ this.unit = unit || this.unit || "px";
+ this.now = this.start;
+ this.pos = this.state = 0;
+ this.update();
+
+ var self = this;
+ function t(){
+ return self.step();
+ }
+
+ t.elem = this.elem;
+
+ jQuery.timers.push(t);
+
+ if ( jQuery.timers.length == 1 ) {
+ var timer = setInterval(function(){
+ var timers = jQuery.timers;
- y.display = "block";
- };
-
- // 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);
+ for ( var i = 0; i < timers.length; i++ )
+ if ( !timers[i]() )
+ timers.splice(i--, 1);
+
+ if ( !timers.length )
+ clearInterval( timer );
}, 13);
- };
-
- // Simple 'show' function
- z.show = function( p ){
- 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();
+ // Simple 'show' function
+ show: function(){
+ // Remember where we started, so that we can go back to it later
+ this.options.orig[this.prop] = jQuery.attr( this.elem.style, this.prop );
+ this.options.show = true;
- z.custom( 0, z.el.orig[prop] );
+ // Begin the animation
+ this.custom(0, this.cur());
- // 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 = {};
+ // Make sure that we start at a small width/height to avoid any
+ // flash of content
+ if ( this.prop == "width" || this.prop == "height" )
+ this.elem.style[this.prop] = "1px";
+
+ // Start by showing the element
+ jQuery(this.elem).show();
+ },
- // Remember where we started, so that we can go back to it later
- z.el.orig[prop] = this.cur();
+ // Simple 'hide' function
+ hide: function(){
+ // Remember where we started, so that we can go back to it later
+ this.options.orig[this.prop] = jQuery.attr( this.elem.style, this.prop );
+ this.options.hide = true;
- z.o.hide = true;
+ // Begin the animation
+ this.custom(this.cur(), 0);
+ },
- // Begin the animation
- z.custom(z.el.orig[prop], 0);
- };
-
- // IE has trouble with opacity if it does not have layout
- if ( jQuery.browser.msie && !z.el.currentStyle.hasLayout )
- y.zoom = "1";
-
- // Remember the overflow of the element
- if ( !z.el.oldOverlay )
- z.el.oldOverflow = jQuery.css( z.el, "overflow" );
-
- // Make sure that nothing sneaks out
- y.overflow = "hidden";
-
- // 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;
+ // Each step of an animation
+ step: function(){
+ var t = (new Date()).getTime();
- z.now = lastNum;
- z.a();
+ if ( t > this.options.duration + this.startTime ) {
+ this.now = this.end;
+ this.pos = this.state = 1;
+ this.update();
- 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 ) {
+ this.options.curAnim[ this.prop ] = true;
+
+ var done = true;
+ for ( var i in this.options.curAnim )
+ if ( this.options.curAnim[i] !== true )
+ done = false;
+
+ if ( done ) {
+ if ( this.options.display != null ) {
// Reset the overflow
- y.overflow = z.el.oldOverflow;
+ this.elem.style.overflow = this.options.overflow;
- // Hide the element if the "hide" operation was done
- if ( z.o.hide )
- y.display = 'none';
-
- // Reset the property, if the item has been hidden
- if ( z.o.hide ) {
- for ( var p in z.el.curAnim ) {
- y[ p ] = z.el.orig[p] + ( p == "opacity" ? "" : "px" );
-
- // set its height and/or width to auto
- if ( p == 'height' || p == 'width' )
- jQuery.setAuto( z.el, p );
- }
- }
+ // Reset the display
+ this.elem.style.display = this.options.display;
+ if ( jQuery.css(this.elem, "display") == "none" )
+ this.elem.style.display = "block";
}
- // 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();
+ // Hide the element if the "hide" operation was done
+ if ( this.options.hide )
+ this.elem.style.display = "none";
+
+ // Reset the properties, if the item has been hidden or shown
+ if ( this.options.hide || this.options.show )
+ for ( var p in this.options.curAnim )
+ jQuery.attr(this.elem.style, p, this.options.orig[p]);
}
- };
-
+
+ // If a callback was provided, execute it
+ if ( done && jQuery.isFunction( this.options.complete ) )
+ // Execute the complete function
+ this.options.complete.apply( this.elem );
+
+ return false;
+ } else {
+ var n = t - this.startTime;
+ this.state = n / this.options.duration;
+
+ // Perform the easing function, defaults to swing
+ this.pos = jQuery.easing[this.options.easing || (jQuery.easing.swing ? "swing" : "linear")](this.state, n, 0, 1, this.options.duration);
+ this.now = this.start + ((this.end - this.start) * this.pos);
+
+ // Perform the next step of the animation
+ this.update();
+ }
+
+ return true;
}
-});
+};
+
+jQuery.fx.step = {
+ scrollLeft: function(fx){
+ fx.elem.scrollLeft = fx.now;
+ },
+
+ scrollTop: function(fx){
+ fx.elem.scrollTop = fx.now;
+ },
+
+ opacity: function(fx){
+ jQuery.attr(fx.elem.style, "opacity", fx.now);
+ },
+
+ _default: function(fx){
+ fx.elem.style[ fx.prop ] = fx.now + fx.unit;
+ }
+};