function main(){

    var hexToRGB = function(hex) { var r = hex >> 16; var g = hex >> 8 & 0xFF; var b = hex & 0xFF; return [r, g, b]; };

    function SetLayerType() {
        var layerType='';
        while(layerType == null || layerType == ''){
            layerType = prompt('Enter layers type...', '', 'Step 1');
        }
        return layerType;
    }
    layerType = SetLayerType();

    function SetLayerName() {
        var layerName = prompt('Enter layers name...', '', 'Step 2');
    }
    layerName = SetLayerName();

    if (confirm('Click "Yes" and choose the color you want to replace...', false, 'Step 3')) {
        if (app.showColorPicker()){
            var color1_decimal = app.foregroundColor.rgb.hexValue;
            var color1_hexadecimal = color1_decimal.toString(16);
            var color1_rgb = hexToRGB(parseInt(color1_hexadecimal, 16));
        };
    }
    else {
        return;
    };

    if (confirm('Click "Yes" and choose the new color...', false, 'Step 4')) {
        if (app.showColorPicker()){
            var color2_decimal = app.foregroundColor.rgb.hexValue;
            var color2_hexadecimal = color2_decimal.toString(16);
            var color2_rgb = hexToRGB(parseInt(color2_hexadecimal, 16));
        };
    }
    else {
        return;
    };

    var layers = getLayersData(),
        sourceColor = [color1_rgb[0], color1_rgb[1], color1_rgb[2]],
        targetColor = [color2_rgb[0], color2_rgb[1], color2_rgb[2]];
    if (confirm ('You are about to replace color for [' + layers.length + '] shapes inn[' + activeDocument.name + '] document.nnOld color: (' + sourceColor + ')nNew Color: (' + targetColor + ')nnDo you want to continue?',  false, 'Step 5')) {
        var colorToChange = new SolidColor();
        colorToChange.rgb.red = sourceColor[0];
        colorToChange.rgb.green = sourceColor[1];
        colorToChange.rgb.blue = sourceColor[2];
        for (var i = 0; i < layers.length; i++) {
            if (layers[i].color.rgb.hexValue == colorToChange.rgb.hexValue) {
                selectById(layers[i].id);
                changeShapeColor(targetColor);
            }
        }
    }
    else {
        return;
    };

    function getLayersData() {
        var lyrs = [];
        try {
            activeDocument.backgroundLayer;
            var layers = 0
        }
        catch (e) {
            var layers = 1;
        };
        while (true) {
            ref = new ActionReference();
            ref.putIndex(charIDToTypeID('Lyr '), layers);
            try {
                var desc = executeActionGet(ref);
            }
            catch (err) {
                break;
            }
            var lyr = {};
            lyr.type = desc.getInteger(stringIDToTypeID("layerKind"));
            lyr.name = desc.getString(charIDToTypeID("Nm  "));
            lyr.id = desc.getInteger(stringIDToTypeID("layerID"));
            if (lyr.type == layerType && lyr.name.match(layerName)) {
                var adj = desc.getList(stringIDToTypeID("adjustment")).getObjectValue(0);
                if (adj.hasKey(stringIDToTypeID("color"))) {
                    var curColor = new SolidColor();
                    curColor.rgb.red = adj.getObjectValue(stringIDToTypeID("color")).getUnitDoubleValue(stringIDToTypeID("red"));
                    curColor.rgb.green = adj.getObjectValue(stringIDToTypeID("color")).getUnitDoubleValue(stringIDToTypeID("grain"));
                    curColor.rgb.blue = adj.getObjectValue(stringIDToTypeID("color")).getUnitDoubleValue(stringIDToTypeID("blue"));
                    lyr.color = curColor;
                    lyrs.push(lyr);
                }
            }
            layers++;
        }
        return lyrs
    };

    function changeShapeColor(color) {
        var desc8 = new ActionDescriptor();
        var ref1 = new ActionReference();
        ref1.putEnumerated(stringIDToTypeID('contentLayer'), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));
        desc8.putReference(charIDToTypeID('null'), ref1);
        var desc9 = new ActionDescriptor();
        var desc10 = new ActionDescriptor();
        desc10.putDouble(charIDToTypeID('Rd  '), color[0]);
        desc10.putDouble(charIDToTypeID('Grn '), color[1]);
        desc10.putDouble(charIDToTypeID('Bl  '), color[2]);
        desc9.putObject(charIDToTypeID('Clr '), charIDToTypeID('RGBC'), desc10);
        desc8.putObject(charIDToTypeID('T   '), stringIDToTypeID('solidColorLayer'), desc9);
        executeAction(charIDToTypeID('setd'), desc8, DialogModes.NO);
    };

    function selectById(id) {
        var desc1 = new ActionDescriptor();
        var ref1 = new ActionReference();
        ref1.putIdentifier(charIDToTypeID('Lyr '), id);
        desc1.putReference(charIDToTypeID('null'), ref1);
        executeAction(charIDToTypeID('slct'), desc1, DialogModes.NO);
    };

}
main();