Slideshow.Push=new Class({Extends: Slideshow,
initialize: function(el, data, options){options.overlap=true;
this.parent(el, data, options);},
_show: function(fast){var images=[this.image, ((this.counter % 2) ? this.a : this.b)];
if (!this.image.retrieve('fx'))
this.image.store('fx', new Fx.Elements(images,{'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 values={'0':{}, '1':{}};
values['0'][this.direction]=[this.width, 0];
values['1'][this.direction]=[0, -this.width];
if (images[1].getStyle(this.direction)=='auto'){var width=this.width - images[1].width;
images[1].set('styles',{'left':'auto', 'right':'auto'}).setStyle(this.direction, width); 
values['1'][this.direction]=[width, -this.width];}
if (fast){for (var prop in values)
values[prop][this.direction]=values[prop][this.direction][1];
this.image.retrieve('fx').cancel().set(values);}
else
this.image.retrieve('fx').start(values);}});