/**
 * @projectDescription Javascript snippet to generate the lyrics of the song "99 Bottles".
 * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
 * Date: 3/27/2008
 * @author Ariel Flesler
 * --This script follows the standard specified by scriptDoc: http://scriptdoc.org/
 */

/**
 * @classDescription This class generates the lyrics of the song "99 Bottles".
 * @return { Song }	Returns a new Song Object.
 * @constructor
 */
var Song = function(){};

//add methods to the prototype, to affect the instances of the class Song
Song.prototype = {
	/**
	 * Maps an array of items using a function.
	 * @param { Array } src Source array whose items will be mapped.
	 * @param { Function } fn Function that receives each item & index and returns the mapped item.
	 * @return { Array } The mapped array.
	 * @method
	 * http://developer.mozilla.org/en/docs/Core_JavaScript_1.5_Reference:Global_Objects:Array:map
	 */
	map: function( src, fn ){
		var 
			mapped = [ ], //will hold the mapped items
			pos = src.length; //holds the actual index

		//do a reversed loop as we know the last index
		while( pos-- )
			mapped[pos] = fn.call( this, src[pos], pos );
		
		return mapped;
	},
	/**
	 * @param { Number } amount Specifies the # of bottle.
	 * @return { S