
Fx.Morph=new Class({Extends:Fx.CSS,initialize:function(element,options){this.element=this.subject=$(element);this.parent(options);},set:function(now){if(typeof now=='string')now=this.search(now);for(var p in now)this.render(this.element,p,now[p],this.options.unit);return this;},compute:function(from,to,delta){var now={};for(var p in from)now[p]=this.parent(from[p],to[p],delta);return now;},start:function(properties){if(!this.check(arguments.callee,properties))return this;if(typeof properties=='string')properties=this.search(properties);var from={},to={};for(var p in properties){var parsed=this.prepare(this.element,p,properties[p]);from[p]=parsed.from;to[p]=parsed.to;}
return this.parent(from,to);}});Element.Properties.morph={set:function(options){var morph=this.retrieve('morph');if(morph)morph.cancel();return this.eliminate('morph').store('morph:options',$extend({link:'cancel'},options));},get:function(options){if(options||!this.retrieve('morph')){if(options||!this.retrieve('morph:options'))this.set('morph',options);this.store('morph',new Fx.Morph(this,this.retrieve('morph:options')));}
return this.retrieve('morph');}};Element.implement({morph:function(props){this.get('morph').start(props);return this;}});
