diff --git a/plugins/compute-ap-stats.user.js b/plugins/compute-ap-stats.user.js
index 3c0e8bd7..0af36254 100644
--- a/plugins/compute-ap-stats.user.js
+++ b/plugins/compute-ap-stats.user.js
@@ -21,7 +21,25 @@ if(typeof window.plugin !== 'function') window.plugin = function() {};
 window.plugin.compAPStats = function() {};
 
 window.plugin.compAPStats.setupCallback = function() {
-  $('#toolbox').append('<a onclick="window.plugin.compAPStats.guess()">Compute AP Stats</a> ');
+  // add a new div to the bottom of the sidebar and style it
+  $('#sidebar').append('<div id="available_ap_display"></div>');
+  $('#available_ap_display').css({'color':'#ffce00', 'font-size':'90%', 'padding':'4px 2px'});
+
+  // do an initial calc for sidebar sizing purposes
+  window.plugin.compAPStats.onPositionMove();
+  
+  // make the value update when the map data updates
+  var handleDataResponseOrig = window.handleDataResponse;
+  window.handleDataResponse = function(data, textStatus, jqXHR) {
+	  handleDataResponseOrig(data, textStatus, jqXHR);
+	  window.plugin.compAPStats.onPositionMove();
+  }
+}
+
+window.plugin.compAPStats.onPositionMove = function() {
+  var result = window.plugin.compAPStats.compAPStats();  
+  $('#available_ap_display').html("Available AP in this area:<br/>&nbsp;Enlightened:\t" + 
+		  digits(result[1]) + "<br/>&nbsp;Resistance:\t" + digits(result[0]));
 }
 
 window.plugin.compAPStats.compAPStats = function() {
@@ -34,11 +52,15 @@ window.plugin.compAPStats.compAPStats = function() {
   var allEnlEdges = [];
   var allEnlFields = [];
   
+  var displayBounds = map.getBounds();
   
   // Grab every portal in the viewable area and compute individual AP stats
   $.each(window.portals, function(ind, portal) {
     var d = portal.options.details;
     
+    // eliminate offscreen portals (selected, and in padding)
+    if(!displayBounds.contains(portal.getLatLng())) return true;
+    
     var portalStats = getAttackApGain(d);
     var portalSum = portalStats.resoAp + portalStats.captureAp;
     
@@ -89,18 +111,6 @@ window.plugin.compAPStats.compAPStats = function() {
   return [totalAP_RES, totalAP_ENL];
 }
 
-window.plugin.compAPStats.guess = function() {
-  var res = window.plugin.compAPStats.compAPStats();
-  var totalAP_RES = res[0];
-  var totalAP_ENL = res[1];
-
-  var s = 'Calculated AP gain potential:\n\n';
-  s += 'Available Resistance AP:\t' + digits(totalAP_RES) + '\n';
-  s += 'Available Enlightened AP:\t' + digits(totalAP_ENL) + '\n';
-
-  alert(s);
-}
-
 var setup =  function() {
   window.plugin.compAPStats.setupCallback();
 }