Cleaned up popups function in JS.

boards/static/js/popup.js

@@ -15,15 +15,15 b' function addPopups() {'
             if (refNum != null) {
                 var self = $(this);
 
-                $(this).mouseenter(function(e) {
+                $(this).mouseenter(function() {
                     $.get('/get_post/' + refNum, function(data) {
                         var popup = $('<div/>').html(data)
-                        var linkPosition = self.position();
 
                         popup.dialog({
                             modal: false,
                             minHeight: 0,
                         });
+
                         popup.position({
                             my: "left+20 top+20",
                             at: "right bottom",