function clearBuffer(){
	var myMap = top.main.getMap();
	myMap.setAutoRefresh(false);
	// Remove Existing Buffer Layers
	var AllLayers = myMap.getMapLayersEx();
	var LayerNum = AllLayers.size();
	for (i=0; i < LayerNum; i++){
		var CurObj = AllLayers.item(i);
		var CurType = CurObj.getType();
		var CurName = CurObj.getName();
		if (CurType == "Drawing" || CurType == "DrawingObject"){
			myMap.removeMapLayer(CurName);
		}
	}
	myMap.setAutoRefresh(true);
	myMap.refresh();
	top.details.location.href="ParcelBuffer.htm";
}