var renderer = new esri.renderer.ClassBreaksRenderer(symbol, "value");renderer.addBreak(0, 4000, new esri.symbol.SimpleFillSymbol().setColor(new dojo.Color([56, 168, 0, 0.5])));renderer.addBreak(4000, 8000, new esri.symbol.SimpleFillSymbol().setColor(new dojo.Color([139, 209, 0...