To add the Facebook Like Button and Google's new +1 (Plus One) button to your Ning Network, add the following code to your Custom Code Box, via My Network/Tools/Custom Code;   Google +1 Button Only<!-- G +1 All Pages Above Sign-In --><script type="text/javascript" src="http://apis.google.com/js/plusone.js"></script><script type="text/javascript" language="javascript">x$…