--- /usr/share/zabbix/styles/default.css.orig	2013-10-15 11:25:56.000000000 +0200
+++ /usr/share/zabbix/styles/default.css	2013-10-20 08:18:28.000000000 +0200
@@ -563,7 +563,7 @@
 /* header */
 .header a { color: #FFFFFF; }
 .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; }
 
 /* setup wizard */
 .setupBG { background: #AABBCC url(../images/gradients/texture_diagonal.gif); }
--- /usr/share/zabbix/styles/html.inc.php.orig	2013-10-15 11:25:56.000000000 +0200
+++ /usr/share/zabbix/styles/html.inc.php	2013-10-20 08:21:16.000000000 +0200
@@ -222,9 +222,11 @@
 	}
 
 	$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;
 }
@@ -269,6 +271,7 @@
 			$icon = new CIcon(_('Reset'), 'iconreset', 'timeControl.objectReset();');
 			break;
 	}
+	$icon->setAttribute('unselectable', 'on');
 	return $icon;
 }