$(document).ready(function(){
	//hide the all of the element with class msg_body
	$("#topic1").hide();
	//toggle the componenet with class msg_body
	$("a#dropdown1").click(function(){
		$(this).next("#topic1").slideToggle(300);
		return false;
	});
	//hide the all of the element with class msg_body
	$("#topic2").hide();
	//toggle the componenet with class msg_body
	$("a#dropdown2").click(function(){
		$(this).next("#topic2").slideToggle(300);
		return false;
	});
	//hide the all of the element with class msg_body
	$("#topic3").hide();
	//toggle the componenet with class msg_body
	$("a#dropdown3").click(function(){
		$(this).next("#topic3").slideToggle(300);
		return false;
	});
	//hide the all of the element with class msg_body
	$("#topic4").hide();
	//toggle the componenet with class msg_body
	$("a#dropdown4").click(function(){
		$(this).next("#topic4").slideToggle(300);
		return false;
	});
	//hide the all of the element with class msg_body
	$("#topic5").hide();
	//toggle the componenet with class msg_body
	$("a#dropdown5").click(function(){
		$(this).next("#topic5").slideToggle(300);
		return false;
	});
	//hide the all of the element with class msg_body
	$("#topic6").hide();
	//toggle the componenet with class msg_body
	$("a#dropdown6").click(function(){
		$(this).next("#topic6").slideToggle(300);
		return false;
	});

});