Inheritance structure

var createRectangle=function createRectangle(strokeColor,strokeWeight,strokeOpacity,fillColor,fillOpacity)
    {
        configurePolygonOptions.apply(this,[strokeColor,strokeWeight,strokeOpacity,fillColor,fillOpacity]);
    };

    createRectangle.prototype=Object.create(configurePolygonOptions.prototype);
    createRectangle.prototype.constructor=createRectangle;

    createRectangle.prototype.setBounds=function(bounds)
    {
        console.log('setting bounds');
        this.bounds=bounds;
    };

    var configureCircle=function configureCircle(strokeColor,strokeWeight,strokeOpacity,fillColor,fillOpacity)
    {
        configurePolygonOptions.apply(this,[strokeColor,strokeWeight,strokeOpacity,fillColor,fillOpacity]);
        //configurePolygonOptions.call(this);
    };

    configureCircle.prototype=Object.create(configurePolygonOptions.prototype);
    configureCircle.prototype.constructor=configureCircle;

    configureCircle.prototype.setCenter=function(center)
    {
        this.center=center;
    };

    configureCircle.prototype.setRadius=function(radius)
    {
        this.radius=radius;
    };