parse JSON object in AS3

gistfile1.as

		private function parseJSON(o:*, spaces:int = 1):String {
		    var str:String = "";
		    if(getTypeof(o) == "object") {
		        str += "{\n";
		        for(var i:* in o) {
		            str += getSpaces(spaces) + i + "=";
		            if(getTypeof(o[i]) == "object" || getTypeof(o[i]) == "array") {
		                str += parseJSON(o[i], spaces + 1) + "\n";
		            } else {
		                var type:String = getTypeof(o[i]);
		                if(type == "string") {
		                    str += "\"" + o[i] + "\"\n";
		                } else if(type == "number") {
		                    str += o[i] + "\n";
		                }
		            }
		        }
		        str += getSpaces(spaces - 1 < 0 ? 0 : spaces - 1) + "}";
		    } else if(getTypeof(o) == "array") {
		        str += "[\n";
		        var n:int = o.length;
		        for(i=0; i<n; i++) {
		            str += getSpaces(spaces) + "[" + i + "]=";
		            if(getTypeof(o[i]) == "object" || getTypeof(o[i]) == "array") {
		                str += parseJSON(o[i], spaces + 1) + "\n";
		            } else {
		                type = getTypeof(o[i]);
		                if(type == "string") {
		                    str += "\"" + o[i] + "\"";
		                } else if(type == "number") {
		                    str += o[i];
		                }
		                str += "\n";
		            }
		        }
		        str += getSpaces(spaces - 1 < 0 ? 0 : spaces - 1) + "]";
		    }
		    return str;
		}

		private function getSpaces(n:int):String {
		    var str:String = "";
		    for(var i:int=0; i<n; i++) {
		        str += "  ";
		    }
		    return str;
		}

		private function getTypeof(o:*):String {
		    return typeof(o) == "object" ? (o.length == null ? "object" : "array") : typeof(o);
		}