/*
 * author:addo zhang
 */
(function(){
	function $(id){
		return document.getElementById(id);
	}
	function setStyleDisplay(id,status){
		$(id).style.display=status;
	}

	function appendComment(reply_to,comment,reply_comment,cancel){

	}
	
	window['Util'] = {};
	window['Util']['$']=$;
	window['Util']['appendComment']=appendComment;
	window['Util']['setStyleDisplay']=setStyleDisplay;
})();