abynim

var doc = context.document

var selectLayersOfType_inContainer = function(layerType, containerLayer) {
    
    // Filter layers using NSPredicate
	var scope = (typeof containerLayer !== 'undefined') ? [containerLayer children] : [[doc currentPage] children],
		predicate = NSPredicate.predicateWithFormat("(className == %@)", layerType),
		layers = [scope filteredArrayUsingPredicate:predicate];
		
	// Deselect current selection