function array_pad ( input, pad_size, pad_value ) {	// Pad array to the specified length with a value
	// 
	// +   original by: _argos

	var pad = [], newArray = [], newLength, i=0;

	if ( input instanceof Array && !isNaN ( pad_size ) ) {
		newLength = ( ( pad_size < 0 ) ? ( pad_size * -1 ) : pad_size );
		if ( newLength > input.length ) {
			for ( i = 0; i < ( newLength - input.length ); i++ ) { newArray [ i ] = pad_value; }
			pad = ( ( pad_size < 0 ) ? newArray.concat ( input ) : input.concat ( newArray ) );
		} else {
			pad = input;
		}
	}

	return pad;
}