Fx.Slide=new Class({Extends:Fx,options:{mode:"vertical"},initialize:function(B,A){this.addEvent("complete",function(){this.open=(this.wrapper["offset"+this.layout.capitalize()]!=0);if(this.open&&Browser.Engine.webkit419){this.element.dispose().inject(this.wrapper)}},true);this.element=this.subject=$(B);this.parent(A);var C=this.element.retrieve("wrapper");this.wrapper=C||new Element("div",{styles:$extend(this.element.getStyles("margin","position"),{overflow:"hidden"})}).wraps(this.element);this.element.store("wrapper",this.wrapper).setStyle("margin",0);this.now=[];this.open=true},vertical:function(){this.margin="margin-top";this.layout="height";this.offset=this.element.offsetHeight},horizontal:function(){this.margin="margin-left";this.layout="width";this.offset=this.element.offsetWidth},set:function(A){this.element.setStyle(this.margin,A[0]);this.wrapper.setStyle(this.layout,A[1]);return this},compute:function(E,D,C){var B=[];var A=2;A.times(function(F){B[F]=Fx.compute(E[F],D[F],C)});return B},start:function(B,E){if(!this.check(arguments.callee,B,E)){return this}this[E||this.options.mode]();var D=this.element.getStyle(this.margin).toInt();var C=this.wrapper.getStyle(this.layout).toInt();var A=[[D,C],[0,this.offset]];var G=[[D,C],[-this.offset,0]];var F;switch(B){case"in":F=A;break;case"out":F=G;break;case"toggle":F=(this.wrapper["offset"+this.layout.capitalize()]==0)?A:G}return this.parent(F[0],F[1])},slideIn:function(A){return this.start("in",A)},slideOut:function(A){return this.start("out",A)},hide:function(A){this[A||this.options.mode]();this.open=false;return this.set([-this.offset,0])},show:function(A){this[A||this.options.mode]();this.open=true;return this.set([0,this.offset])},toggle:function(A){return this.start("toggle",A)}});Element.Properties.slide={set:function(B){var A=this.retrieve("slide");if(A){A.cancel()}return this.eliminate("slide").store("slide:options",$extend({link:"cancel"},B))},get:function(A){if(A||!this.retrieve("slide")){if(A||!this.retrieve("slide:options")){this.set("slide",A)}this.store("slide",new Fx.Slide(this,this.retrieve("slide:options")))}return this.retrieve("slide")}};Element.implement({slide:function(D,E){D=D||"toggle";var B=this.get("slide"),A;switch(D){case"hide":B.hide(E);break;case"show":B.show(E);break;case"toggle":var C=this.retrieve("slide:flag",B.open);B[(C)?"slideOut":"slideIn"](E);this.store("slide:flag",!C);A=true;break;default:B.start(D,E)}if(!A){this.eliminate("slide:flag")}return this}});