Switch from the deprecated jQuery live function to on function. This might break if you aren't using the version of jQuery packaged with WordPress (requires 1.7+, WP 3.5 shipped with 1.8).

git-svn-id: https://plugins.svn.wordpress.org/quickshare/trunk@746097 b8457f37-d9ea-0310-8a92-e5e31aec5664