diff --git a/umbra/behaviors.d/facebook.js b/umbra/behaviors.d/facebook.js
index b2d95f4..2a35d55 100644
--- a/umbra/behaviors.d/facebook.js
+++ b/umbra/behaviors.d/facebook.js
@@ -1,15 +1,22 @@
 //^https?://(?:www\.)?facebook.com/.*$
+// vim:set sw=8 et:
 
-var isOnScreen = function(e) {
+var aboveBelowOrOnScreen = function(e) {
         var eTop = e.getBoundingClientRect().top;
-        return eTop > window.scrollY && eTop < window.scrollY + window.innerHeight;
-};
- 
+        if (eTop < window.scrollY) {
+                return -1; // above
+        } else if (eTop > window.scrollY + window.innerHeight) {
+                return 1;  // below
+        } else {
+                return 0;  // on screen
+        }
+}
+
 // comments - 'a.UFIPagerLink > span, a.UFIPagerLink, span.UFIReplySocialSentenceLinkText'
 var THINGS_TO_CLICK_SELECTOR = 'a[href^="/browse/likes"], *[rel="theater"]';
 var alreadyClicked = {};
 var intervalId;
- 
+
 var intervalFunc = function() {
         var closeButton = document.querySelector('a[title="Close"]');
         if (closeButton) { 
@@ -23,40 +30,48 @@ var intervalFunc = function() {
                 closeTheaterButton.click();
                 return;
         }
-         
+
         var thingsToClick = document.querySelectorAll(THINGS_TO_CLICK_SELECTOR);
         var clickedSomething = false;
-        var somethingLeftToClick = false;
- 
+        var somethingLeftBelow = false;
+        var missedAbove = 0;
+
         for (var i = 0; i < thingsToClick.length; i++) {
                 var target = thingsToClick[i]; 
                 if (!(target in alreadyClicked)) {
-                        if (isOnScreen(target)) {
+                        var where = aboveBelowOrOnScreen(target);
+                        if (where == 0) { // on screen
                                 // var pos = target.getBoundingClientRect().top;
                                 // window.scrollTo(0, target.getBoundingClientRect().top - 100);
                                 console.log("clicking at " + target.getBoundingClientRect().top + " on " + target.outerHTML);
                                 if(target.click != undefined) {
-                                    target.click();
+                                        target.click();
                                 }
                                 target.style.border = '1px solid #0a0';
                                 alreadyClicked[target] = true;
                                 clickedSomething = true;
                                 break;
+                        } else if (where > 0) { 
+                                somethingLeftBelow = true;
                         } else {
-                                somethingLeftToClick = true;
+                                missedAbove++;
                         }
                 }
         }
- 
+
+        if (missedAbove > 0) {
+                console.log("somehow missed " + missedAbove + " click targets above");
+        }
+
         if (!clickedSomething) {
-                if (somethingLeftToClick) {
+                if (somethingLeftBelow) {
                         console.log("scrolling because everything on this screen has been clicked but there's more below document.body.clientHeight=" + document.body.clientHeight);
-                        window.scrollBy(0, 100);
+                        window.scrollBy(0, 200);
                 } else if (window.scrollY + window.innerHeight + 10 < document.body.clientHeight) {
                         console.log("scrolling because we're not to the bottom yet document.body.clientHeight=" + document.body.clientHeight);
-                        window.scrollBy(0, 100);
+                        window.scrollBy(0, 200);
                 } 
         }
 }
- 
+
 var intervalId = setInterval(intervalFunc, 200);