SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/overcast/jquery-ui.css">
<div style="width: 1920px; height: 862px; z-index: 2;" class="ui-widget-overlay"></div>
<div aria-labelledby="ui-dialog-title-modalBoxContent" role="dialog" tabindex="-1" class="ui-dialog ui-widget ui-widget-content ui-corner-all  ui-draggable" style="display: block; z-index: 3; outline: 0px none; height: auto; width: 600px; top: 381px; left: 655px;">
<div style="-moz-user-select: none;" unselectable="on" class="ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix">
<span style="-moz-user-select: none;" unselectable="on" id="ui-dialog-title-modalBoxContent" class="ui-dialog-title">Upozornenie</span>
<a style="-moz-user-select: none;" unselectable="on" role="button" class="ui-dialog-titlebar-close ui-corner-all" href="#"><span style="-moz-user-select: none;" unselectable="on" class="ui-icon ui-icon-closethick">close</span></a>
</div>
<div class="ui-dialog-content ui-widget-content" style="display: block; width: 600px; min-height: 0px; height: 36px;" id="modalBoxContent">
                    <p style="font-size: 0.8em; text-align: center;">
                        Úspešne ste absolvovali študijnú časť školenia.
Pre ukončenie školenia je potrebné úspešne absolvovať <a href="/index/index" class="accessible-link">záverečný test</a>.
                    </p>

</div></div>

JavaScript

$("a").click(function() {
    alert($(this).closest("div").attr("id"));
});