(function( )
{
	Object.prototype.extend = function( )
	{
		for ( i = 0; i < arguments.length; i++ )
		{
			if ( typeof arguments[ i ] != 'object' || arguments[ i ] === null )
				continue;

			var obj = /(\w+)\(/.exec( arguments[ i ].constructor.toString( ) )[ 1 ];
			for ( var property in arguments[ i ] )
			{
				if ( ! ( this[ property ] ) )
					this[ property ] = arguments[ i ][ property ];

				this[ '$' + obj + '$' + property ] = arguments[ i ][ property ];
			}
		}
	};

	String.prototype.trim = function( )
	{
		return this.replace( /^\s+|\s+$/g, '' );
	};

	function f( n )
	{
		return n < 10 ? '0' + n : n;
	}

	Date.prototype.toJSON = function( key )
	{
		return isFinite( this.valueOf( ) ) ?
		this.getUTCFullYear( ) + '-' +
		f( this.getUTCMonth( ) + 1) + '-' +
		f( this.getUTCDate( ) ) + 'T' +
		f( this.getUTCHours( ) ) + ':' +
		f( this.getUTCMinutes( ) ) + ':' +
		f( this.getUTCSeconds( ) ) + 'Z' : null;
	};

	String.prototype.toJSON =
	Number.prototype.toJSON =
	Boolean.prototype.toJSON = function( key )
	{
		return this.valueOf( );
	};

	var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
		escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
		gap,
		indent,
		meta = {
			'\b': '\\b',
			'\t': '\\t',
			'\n': '\\n',
			'\f': '\\f',
			'\r': '\\r',
			'"' : '\\"',
			'\\': '\\\\'
		},
		rep;


	function quote( string )
	{
		escapable.lastIndex = 0;
		return escapable.test( string ) ?
			'"' + string.replace(escapable, function (a)
			{
				var c = meta[ a ];
				return typeof c === 'string' ? c :
					'\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
			} ) + '"' : '"' + string + '"';
	}

	function str( key, holder )
	{
		var i,
			k,
			v,
			length,
			mind = gap,
			partial,
			value = holder[ key ];

		if ( value && typeof value === 'object' && typeof value.toJSON === 'function' )
			value = value.toJSON( key );

		if ( typeof rep === 'function' )
			value = rep.call( holder, key, value );

		switch ( typeof value )
		{
			case 'string':
				return quote(value);
			case 'number':
				return isFinite(value) ? String(value) : 'null';
			case 'boolean':
			case 'null':
				return String(value);
			case 'object':
				if ( ! value )
					return 'null';

				gap += indent;
				partial = [ ];

				if ( Object.prototype.toString.apply( value ) === '[object Array]' )
				{
					length = value.length;
					for ( i = 0; i < length; i += 1 )
						partial[i] = str( i, value ) || 'null';

					v = partial.length === 0 ? '[]' :
						gap ? '[\n' + gap +
						partial.join( ',\n' + gap ) + '\n' +
						mind + ']' :
						'[' + partial.join( ',' ) + ']';

					gap = mind;
					return v;
				}

				if ( rep && typeof rep === 'object' )
				{
					length = rep.length;
					for ( i = 0; i < length; i += 1 )
					{
						k = rep[ i ];
						if ( typeof k === 'string' )
						{
							v = str( k, value );

							if ( v )
								partial.push( quote( k ) + ( gap ? ': ' : ':' ) + v );
						}
					}
				}
				else
				{
					for ( k in value )
						if ( Object.hasOwnProperty.call( value, k ) )
						{
							v = str( k, value );
							if ( v )
								partial.push( quote( k ) + ( gap ? ': ' : ':' ) + v );
						}
				}

				v = partial.length === 0 ? '{}' :
					gap ? '{\n' + gap + partial.join( ',\n' + gap ) + '\n' +
						mind + '}' : '{' + partial.join( ',' ) + '}';
					gap = mind;
						return v;
		}
	}

	function stringify( replacer, space )
	{
		var i;
		gap = '';
		indent = '';

		if ( typeof space === 'number' )
			for ( i = 0; i < space; i += 1 )
				indent += ' ';
		else if ( typeof space === 'string' )
			indent = space;

		rep = replacer;
		if ( replacer && typeof replacer !== 'function'
				&& ( typeof replacer !== 'object'
					|| typeof replacer.length !== 'number' ) )
		{
			throw new Error( 'JSON.stringify' );
		}

		return str( '', { '': this } );
	}

	function parse( reviver )
	{
		var j;

		function walk( holder, key )
		{
			var k, v, value = holder[ key ];
			if ( value && typeof value === 'object' )
			{
				for ( k in value )
					if ( Object.hasOwnProperty.call( value, k ) )
					{
						v = walk( value, k );
						if ( v !== undefined )
							value[ k ] = v;
						else
							delete value[ k ];
					}
			}
			return reviver.call( holder, key, value );
		}

		cx.lastIndex = 0;
		if ( cx.test( this ) )
		{
			this.replace( cx, function( a )
			{
				return '\\u' + ( '0000' + a.charCodeAt( 0 ).toString( 16 ) ).slice( -4 );
			});
		}

		if ( /^[\],:{}\s]*$/.
				test( this.replace( /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@' ).
					replace( /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']' ).
					replace( /(?:^|:|,)(?:\s*\[)+/g, '' ) ) )
		{
			j = eval( '(' + this + ')' );

			return typeof reviver === 'function' ?
				walk( { '': j }, '' ) : j;
		}

		throw new SyntaxError( 'JSON.parse' );
	}

	function JSON( )
	{
		if ( this.constructor === String )
			return parse.call( this );
		else
			return stringify.call( this );
	}

	Object.prototype.JSON = JSON;
	String.prototype.JSON = JSON;
}( ) );