$(document).ready(function() {

//hide annotations at first
$(".anno_body").hide();

//toggle current annotation
$("p").toggle(function(){
	$(this).next(".anno_body").slideDown(5);
	return false;
}, function(){
	$(this).next(".anno_body").slideUp(10);
	return false;
});

//hide all annotations on page
$(".anno_hideall").click(function() {
	$(".anno_body").slideUp(10);
	return false;
});

//show all annotations on page
$(".anno_showall").click(function() {
	$(".anno_body").slideDown(5);
	return false;
});


//scroll the message box to the top offset of browser's scroll bar
$(window).scroll(function()
{
  $('.floater').animate({top:$(window).scrollTop()+"px" },{queue: false, duration: 20});
});

});