jQuery(document).ready(function()
{
	//hide the all of the element with class msg_body
	jQuery(".msg_body").hide();

	jQuery("#firstpane div#msg_body1").show();
	
	//slides the element with class "msg_body" when paragraph with class "msg_head" is clicked 
	jQuery("#firstpane div.msg_head").click(function()
    {
		jQuery(this).next("div.msg_body").slideToggle(700).siblings("div.msg_body").slideUp("slow");	
	});
});