Flash Action Script 3 desaturate image

For image desaturation use this code:

var matrix:Array = new Array(0.309, 0.609, 0.082, 0, 0, 0.309, 0.609, 0.082, 0, 0, 0.309, 0.609, 0.082, 0, 0, 0, 0, 0, 1, 0);
var cmFilter:ColorMatrixFilter = new ColorMatrixFilter(matrix);
myMovieClip.filters = [cmFilter];

Notice, u desaturating movie clip - so image must be loaded into it

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