/**
 * Accordion Effect for Script.aculo.us
 * Created by Lucas van Dijk
 * http://www.return1.net
 *
 * Copyright 2007 by Lucas van Dijk
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 */
Effect.ScrollVertical = Class.create();

Object.extend(Object.extend(Effect.ScrollVertical.prototype, Effect.Base.prototype), {
    initialize: function(element){
        if (typeof element == "string") {
            this.element = $(element);
            if (!this.element) {
                throw (Effect._elementDoesNotExistError);
            }
        }
        
        var options = Object.extend({
            from: this.element.scrollTop || 0,
            to: this.element.scrollHeight
        }, arguments[1] ||
        {});
        
        options.to = options.to == this.element.scrollHeight ? options.to : options.from + options.to;
        
        this.start(options);
    },
    
    update: function(position){
        this.element.scrollTop = position;
    }
});

Effect.ScrollHorizontal = Class.create();

Object.extend(Object.extend(Effect.ScrollHorizontal.prototype, Effect.Base.prototype), {
    initialize: function(element){
        if (typeof element == "string") {
            this.element = $(element);
            if (!this.element) {
                throw (Effect._elementDoesNotExistError);
            }
        }
        
        var options = Object.extend({
            from: this.element.scrollLeft || 0,
            to: this.element.scrollWidth
        }, arguments[1] ||
        {});
        options.to = options.to == this.element.scrollWidth ? options.to : options.from + options.to;
        if ( options.to == -569)
        {
          options.from = this.element.scrollWidth ;
          options.to = this.element.scrollWidth;
        }
        else
        {
        if ( options.to == this.element.scrollWidth)
        {
          options.from = 0;
          options.to = 0;
        }
        }
        this.start(options);
    },
    
    update: function(position){
        this.element.scrollLeft = position;
    }
});