this.point.destroy(); 
this.polygon = null; 
    destroyFeature: function() {        this.polygon.destroy();        this.point.destroy();    },
2032	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2032/153b7a2a786016563a2d64418ccac0b1e48f21d4/Polygon.js/buggy/lib/OpenLayers/Handler/Polygon.js