fix doubleclick bug on user hint popover

includes/sys_template.php

@@ -85,9 +85,18 @@ function toolbar_dropdown($glyphicon, $label, $submenu, $class = '') {
 function toolbar_popover($glyphicon, $label, $content, $class = '') {
   $id = md5(microtime() . $glyphicon . $label);
   return '<li class="dropdown messages ' . $class . '">
-          <a id="' . $id . '" href="#" tabindex="0">' . ($glyphicon != '' ? '<span class="glyphicon glyphicon-' . $glyphicon . '"></span> ' : '') . $label . ' <span class="caret"></span></a>
+          <a id="' . $id . '" href="#">' . ($glyphicon != '' ? '<span class="glyphicon glyphicon-' . $glyphicon . '"></span> ' : '') 
+          . $label . ' <span class="caret"></span></a>
           <script type="text/javascript">
-          $(document).ready(function(){$("#' . $id . '").popover({trigger: "click focus", html: true, content: "' . addslashes(join('', $content)) . '", placement: "bottom", container: "#navbar-collapse-1"})});
+          $(function(){
+              $("#' . $id . '").popover({
+                  trigger: "focus", 
+                  html: true, 
+                  content: "' . addslashes(join('', $content)) . '", 
+                  placement: "bottom", 
+                  container: "#navbar-collapse-1"
+              })
+          });
           </script></li>';
 }