使用一次后重新绑定AJAX中的Click事件

I'm having trouble with a click event on an AJAX call. I have the AJAX calls nested because the click event happens on a div that doesn't exist until the first AJAX call. Basically I'm loading user comments from a database and then there is an up and down vote button on the comments. These are second ajax calls. You can see the JS here:I'm having trouble with a click event on an AJA