$(document).ready( function() {
	$("span.handbook_callout").hide();
});

function toggle(e){
	o = $(e);
	$("span[id="+o.attr("name")+"]").css({"top": o.position().top+4, "left": o.position().left+16}).toggle();
}

function toggle_header() {
	$("#chapter_header").toggle();
}