Right To Left version of Twitter's Bootstrap 2.1.1 for RTL languages (Arabic, Hebrew and Persian)
Replace bootstrap original CSS with RTL version :
<link href="css/bootstrap.rtl.css" rel="stylesheet">
...
<link href="css/bootstrap-responsive.rtl.css" rel="stylesheet">
<script src="js/bootstrap-rtl.js"></script>
RTLed by CSSJanus "http://cssjanus.commoner.com" & @AbdullahDiaa