function JSONString(){
		this.jsonStr ="";
		this.reset = function(){this.jsonStr="";}
		this.appendObj = function(obj){
			if(this.jsonStr!=""){this.jsonStr+=",";}
			this.jsonStr+="\""+obj.id+"\":\""+obj.value+"\"";
		}
		this.appendKeyValue = function(key,value){
			if(this.jsonStr!=""){this.jsonStr+=",";}
			this.jsonStr+="\""+key+"\":\""+value+"\"";
		}

		this.toString = function(){return "{"+this.jsonStr+"}"}
	}