<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<div class="btn-toolbar" id="toolbar">
<div class="btn-wrapper" id="toolbar">
<button onclick="if (document.adminForm.boxchecked.value == 0) { alert(Joomla.JText._('JLIB_HTML_PLEASE_MAKE_A_SELECTION_FROM_THE_LIST')); } else { if (confirm('Delete selected files?')) { Joomla.submitbutton('fsdelete.deleteFSSelected'); } }" class="btn btn-small">
<span class="icon-delete"></span>
Delete selected files</button>
</div>
<div class="btn-wrapper" id="toolbar-delete">
<button onclick="Joomla.submitbutton('fsdelete.deleteFSAllFiles');" class="btn btn-small">
<span class="icon-delete"></span>
Delete all files from FS</button>
</div>
<div class="btn-wrapper" id="toolbar-help">
<button onclick="Joomla.popupWindow('http://siteforhelp.ru', 'Help', 700, 500, 1)" rel="help" class="btn btn-small">
<span class="icon-question-sign"></span>
Help</button>
</div>
<div class="btn-wrapper" id="toolbar-options">
<button onclick="location.href='index.php?option=com_config&view=component&component=com_vm3delpics&path=&return=aHR0cDovL2xvY2FsaG9zdC9hc3UxNzAzMjIvYWRtaW5pc3RyYXRvci9pbmRleC5waHA%2Fb3B0aW9uPWNvbV92bTNkZWxwaWNzJnZpZXc9ZnNkZWxldGU%3D';" class="btn btn-small">
<span class="icon-options"></span>
Options</button>
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
jQuery("#toolbar-delete .btn-small").click(function (e) {
e.preventDefault();
alert("Here we are!");
});
</script>
</body>
</html>