--- ./styles/default.css.orig	2014-07-17 15:49:46.000000000 +0200
+++ ./styles/default.css	2014-08-24 11:14:27.000000000 +0200
@@ -88,7 +88,7 @@
 /* header */
 .header { height: 18px; line-height: 18px; font-size: 1.1em; font-weight: bold; margin-bottom: 2px; }
 .header .header_l { padding-left: 5px; }
-.header .header_r { padding-right: 5px; }
+.header .header_r { padding-right: 5px; -moz-user-select: none; -webkit-user-select: none; user-select: none; }
 .header a { color: #FFFFFF; }
 
 /* link */
--- ./include/html.inc.php.orig	2014-07-17 15:49:47.000000000 +0200
+++ ./include/html.inc.php	2014-08-24 11:13:03.000000000 +0200
@@ -202,9 +202,11 @@
 	}
 
 	$table = new CTable(null, 'ui-widget-header ui-corner-all header maxwidth');
+	$header_r = new CCol($rights, 'header_r right');
+	$header_r->attr('unselectable', 'on');
 	$table->setCellSpacing(0);
 	$table->setCellPadding(1);
-	$table->addRow(array(new CCol($columnLeft, 'header_l left'), new CCol($rights, 'header_r right')));
+	$table->addRow(array(new CCol($columnLeft, 'header_l left'), $header_r));
 
 	return $table;
 }
@@ -249,6 +251,7 @@
 			$icon = new CIcon(_('Reset'), 'iconreset', 'timeControl.objectReset();');
 			break;
 	}
+	$icon->setAttribute('unselectable', 'on');
 	return $icon;
 }