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                "outerY": "-10.235414534288639",
                "thickness": "57.1",
                "layer": "OPL Henle",
                "feature": [
                    {
                        "code": "RPEfrag",
                        "description": "RPE Fragment"
                    },
                    {
                        "code": "EctopicPRnuc",
                        "description": "Ectopic Photoreceptor Nuclei"
                    }
                ],
                "featureType": "Array"
            }
        ],
        "EctopicPRnuc": [
            {
                "innerX": "980.8085977482087",
                "innerY": "-92.88638689866939",
                "outerX": "985.1586489252815",
                "outerY": "-50.409416581371545",
                "thickness": "42.7",
                "layer": "OPL Henle",
                "feature": {
                    "code": "EctopicPRnuc",
                    "description": "Ectopic Photoreceptor Nuclei"
                }
            }
        ],
        "Tubulation": [
            {
                "innerX": "1503.838280450358",
                "innerY": "-195.49641760491298",
                "outerX": "1505.6294779938587",
                "outerY": "-173.74616171954963",
                "thickness": "21.8",
                "layer": "OPL Henle",
                "feature": {
                    "code": "Tubulation",
                    "description": "Tubulation"
                }
            }
        ]
    },
    "IS Ellipsoid": {
        "Other": [
            {
                "innerX": "2941.1463664278403",
                "innerY": "-719.8055271238485",
                "outerX": "2948.055271238485",
                "outerY": "-709.8259979529171",
                "thickness": "12.2",
                "layer": "IS Ellipsoid",
                "feature": {
                    "code": "Other",
                    "description": "New Feature Name"
                }
            }
        ]
    }
}
var layers = [];
var icon_base = "https://maps.google.com/mapfiles/ms/micons/";
//var colors = ["mm_20_purple.png", "mm_20_yellow.png", "mm_20_blue.png", "mm_20_white.png", "mm_20_green.png",
//"mm_20_red.png", "mm_20_black.png", "mm_20_orange.png", "mm_20_gray.png", "mm_20_brown.png"];
var colors = ["purple.png", "yellow.png", "blue.png", "lightblue.png", "green.png",
              "red.png", "pink.png", "orange.png"];
var count = 0;

for (var layer in mapOptions){
    console.log(layer);

    var codes = [];

    for (var code in mapOptions[layer]) {
        var icon = icon_base + colors[count];

        codes.push({
            pageName:code,
            pageId:code.replace(/ /g,'_'),
            linkUrl:"loadAnnotation('" + layer + "', '" + code + "', '" + icon + "')",
            icon: icon,
        });

        count++;
    }

    layers.push({
        hasScd:true,
        pageName:layer,
        pageId:layer.replace(/ /g,'_'),
        secondClass:codes
    });

}

var navOptions = {
    styles:{
        logo:{
            imgUrl:'',
            linkUrl:''
        },
        showMore:true,
    },
    firstClass:layers
}