/*
Script: Slideshow.Push.js (http://code.google.com/p/slideshow/).
License: MIT-style license.
Copyright: Copyright (c) 2008 [Aeron Glemann](http://www.electricprism.com/aeron/).
*/

Slideshow.Push=new Class({Extends:Slideshow,initialize:function(B,C,A){A.overlap=true;this.parent(B,C,A)},show:function(C){var A=[this.image,((this.counter%2)?this.a:this.b)];if(!this.image.retrieve("fx")){this.image.store("fx",new Fx.Elements(A,{duration:this.options.duration,link:"cancel",transition:this.options.transition}))}this.image.set("styles",{left:"auto",right:"auto"}).setStyle(this.direction,this.width).setStyle("visibility","visible");var B={"0":{},"1":{}};B["0"][this.direction]=[this.width,0];B["1"][this.direction]=[0,-this.width];if(A[1].getStyle(this.direction)=="auto"){var D=this.width-A[1].width;A[1].set("styles",{left:"auto",right:"auto"}).setStyle(this.direction,D);B["1"][this.direction]=[D,-this.width]}if(C){for(var E in B){B[E][this.direction]=B[E][this.direction][1]}this.image.retrieve("fx").cancel().set(B)}else{this.image.retrieve("fx").start(B)}}});