using user_info.php instead of open_user fn

res/forum/admin.html

@@ -18,6 +18,13 @@
 
     $("#left_panel").on("click", ".output", function(event)
     {
-        open_user(event.target.innerHTML);
+        $.ajax
+        ({
+            url: "./res/forum/api/user_info.php?username=" + event.target.innerHTML,
+            success: function(result)
+            {
+                $("#right_panel").html(result);
+            }
+        });
     });
 </script>