$(document).ready(function()
{
	//hide the all of the element with class msg_body
	$("div.menu_body").hide();
	//slides the element with class "msg_body" when paragraph with class "msg_head" is clicked 
	$("#firstpane p.menu_head").click(function()
    {
	     $(this).next("div.menu_body").slideToggle("slow").siblings("div.menu_body").slideUp("slow");

	});
	//slides the element with class "msg_body" when mouse is over the paragraph
	$("#secondpane p.menu_head").click(function()
    {
	     $(this).next("div.menu_body").slideToggle("slow").siblings("div.menu_body").slideUp("slow");

	});
	//slides the element with class "msg_body" when mouse is over the paragraph
	$("#thirdpane p.menu_head").click(function()
    {
	     $(this).next("div.menu_body").slideToggle("slow").siblings("div.menu_body").slideUp("slow");

	});
	
});