You can check for the existance of $.fn.live
method or jQuery.migrateWarnings
object
<script type="text/javascript" src="http://code.jquery.com/jquery-migrate-1.1.0.min.js"></script>
<script type="text/javascript">
if (typeof jQuery.migrateWarnings == 'undefined') { // or typeof jQuery.fn.live == 'undefined'
document.write(unescape("%3Cscript src='common/script/jquery-migrate-1.1.0.min.js' type='text/javascript'%3E%3C/script%3E"));
}
</script>