jQuery popup/popout menus usability - hide on document click
<div class="toolbar">
  <div class="popout-wrap">
    <div class="button">
    </div>
    <div class="popout">
      blah blah blah
    </div>
  </div>
  <div class="popout-wrap">
    <div class="button">
    </div>
    <div class="popout">
      blah blah blah
    </div>
  </div>
  ...

$(".popout-wrap .button").click(function () {
    var menu = $(this).siblings(".popout");
    if (menu.is(":hidden")) {
        $(".popout").not(":hidden").fadeOut("fast");
        menu.css("top", -1 * (menu.outerHeight() + 8) + "px");
        menu.fadeIn("fast");
    } else {
        menu.fadeOut("fast");
    }
    return false;
});

$(".popout-wrap .button").blur(function () {
    $(this).siblings(".popout").fadeOut("fast");
    return false;
});

//to prevent hiding when clicking on popup but it is not necessary
//$(".popout-wrap .popout").click()(function(){return false});

$(document).click(function(){
var menu = $(".popout-wrap .popout");
    if (!menu.is(":hidden")) {
        menu.fadeOut("fast");
    }
    return false;
});