Fx.Elements=new Class({Extends:Fx.CSS,initialize:function(elements,options){this.elements=this.subject=$$(elements);this.parent(options)},compute:function(from,to,delta){var now={};for(var i in from){var iFrom=from[i],iTo=to[i],iNow=now[i]={};for(var p in iFrom){iNow[p]=this.parent(iFrom[p],iTo[p],delta)}}return now},set:function(now){for(var i in now){if(!this.elements[i]){continue}var iNow=now[i];for(var p in iNow){this.render(this.elements[i],p,iNow[p],this.options.unit)}}return this},start:function(obj){if(!this.check(obj)){return this}var from={},to={};for(var i in obj){if(!this.elements[i]){continue}var iProps=obj[i],iFrom=from[i]={},iTo=to[i]={};for(var p in iProps){var parsed=this.prepare(this.elements[i],p,iProps[p]);iFrom[p]=parsed.from;iTo[p]=parsed.to}}return this.parent(from,to)}});