$(document).ready(function() {

	  //hide the all of the element with class msg_body
	  $(".msg_body").hide();

    //toggle the componenet with class msg_body
	  $(".msg_head").click(function()
	  {
		$(this).prevAll("div:eq(1)").slideToggle(0);
	    $(this).prevAll("div:eq(0)").slideToggle(400);
	    $(this).text($(this).text() == 'Read More' ? 'Close' : 'Read More');
	  });
});