diff --git a/predict/css/pred.css b/predict/css/pred.css
index 7891b21..fdd4c9e 100644
--- a/predict/css/pred.css
+++ b/predict/css/pred.css
@@ -76,7 +76,7 @@ a { text-decoration: underline; color: #333; cursor: pointer; }
 #input_form {
     border-right: none;
     border-bottom: none;
-    height:350px;
+    height:370px;
     width: 400px;
     padding: 5px;
     bottom: 0; right: 0;
diff --git a/predict/includes/functions.inc.php b/predict/includes/functions.inc.php
index 69ad273..b179897 100644
--- a/predict/includes/functions.inc.php
+++ b/predict/includes/functions.inc.php
@@ -25,6 +25,9 @@ function createModel($post_array) {
     $pred_model['burst'] = $post_array['burst'];
     $pred_model['float'] = $post_array['float_time'];
 
+    $pred_model['delta_lat'] = $post_array['delta_lat'];
+    $pred_model['delta_lon'] = $post_array['delta_lon'];
+
     $pred_model['wind_error'] = 0;
 
     $pred_model['software'] = $post_array['software'];
@@ -55,10 +58,10 @@ function verifyModel($pred_model, $software_available) {
     foreach($pred_model as $idx => $value) {
         if ($idx == "software") {
             if (!in_array($value, $software_available)) return false;
-        } else {
-            if (!is_numeric($value)) {
-                return false;
-            }
+        } else if ($idx == "delta_lat" || $idx == "delta_lon") {
+            if ( $value < 1 || $value > 10 ) return false;
+        } else if (!is_numeric($value)) {
+            return false;
         }
     }
     return true;
@@ -77,7 +80,11 @@ function runPred($pred_model) {
 
     // use `at` to automatically background the task
     $ph = popen("at now", "w");
-    fwrite($ph, "cd /var/www/hab/predict/ && ./predict.py -v --latdelta=3 --londelta=3 -p1 -f5 -t ".$pred_model['timestamp']." --lat=".$predictor_lat." --lon=".$predictor_lon." " . $use_hd . $pred_model['uuid']);
+    fwrite($ph, "cd /var/www/hab/predict/ && ./predict.py -v --latdelta="
+        .$pred_model['delta_lat']." --londelta=".$pred_model['delta_lon']
+        ." -p1 -f5 -t ".$pred_model['timestamp']
+        ." --lat=".$predictor_lat." --lon=".$predictor_lon." " . $use_hd
+        . $pred_model['uuid']);
     fclose($ph);
 
 }
diff --git a/predict/index.php b/predict/index.php
index 4c45b14..034055c 100644
--- a/predict/index.php
+++ b/predict/index.php
@@ -103,6 +103,7 @@ function initialize() {
 
 <div id="scenario_info" class="box">
 <h1>Scenario Information</h1>
+<span id="from_launch_lat">
 <a><span id="showHideDebug">Show Debug</span></a></span> | 
 <a><span id="showHideForm">Hide Launch Card</span></a></span>
 </div>
@@ -175,11 +176,25 @@ function initialize() {
         <td><input id="float" type="text" name="float_time" value="0"></td>
     </tr>
     <tr>
-        <td>Landing prediction software: <td>
+        <td>Landing prediction software: </td><td>
         <select id="software" name="software">
             <option value="gfs" selected="selected">GFS</option>
             <option value="gfs_hd">GFS HD</option>
+        </select></td></tr>
+        <tr><td>Lat/Lon Deltas: </td>
+        <td>Lat: 
+        <select id="delta_lat" name="delta_lat">
+            <option value="3" selected="selected">3</option>
+            <option value="5">5</option>
+            <option value="10">10</option>
+        </select>&nbsp;Lon: 
+        <select id="delta_lon" name="delta_lon">
+            <option value="3" selected="selected">3</option>
+            <option value="5">5</option>
+            <option value="10">10</option>
         </select>
+        </td>
+        </tr>
 	<tr>
                 <td>
                 </td>
diff --git a/predict/js/pred.js b/predict/js/pred.js
index 0dc4786..7aa6d14 100644
--- a/predict/js/pred.js
+++ b/predict/js/pred.js
@@ -37,10 +37,10 @@ function handlePred(pred_uuid) {
     $("#prediction_status").html("Searching for wind data...");
     $("#input_form").hide("slide", { direction: "down" }, 500);
     $("#scenario_info").hide("slide", { direction: "up" }, 500);
+    // disable user control of the map canvas
     $("#map_canvas").fadeTo(1000, 0.2);
     // ajax to poll for progress
     ajaxEventHandle = setInterval("getJSONProgress('"+pred_uuid+"')", 2000);
-    //getCSV(pred_uuid);
 }
 
 function getCSV(pred_uuid) {
@@ -86,8 +86,6 @@ function processProgress(progress) {
                 $("#scenario_info").show("slide", { direction: "up" }, 500);
                 toggleWindow("scenario_template", "showHideDebug", "Show Debug",
                         "Hide Debug", "hide");
-                // move map to new location
-                // map.panTo(
                 // un-fade the map canvas
                 $("#map_canvas").fadeTo(1500, 1);
                 appendDebug("Server says: the predictor finished running.");
@@ -203,11 +201,28 @@ function parseCSV(lines) {
 
     // pan to the new position
     map.panTo(launch_pt);
+    map.setZoom(8);
 
     return true;
 
 }
 
+function enableMap(map, state) {
+    if ( state != false && state != true) {
+        appendDebug("Unrecognised map state");
+    } else if (state == false) {
+        map.draggable = false;
+        map.disableDoubleClickZoom = true;
+        map.scrollwheel = false;
+        map.navigationControl = false;
+    } else if (state == true ) {
+        map.draggable = true;
+        map.disableDoubleClickZoom = false;
+        map.scrollwheel = false;
+        map.navigationControl = true;
+    }
+}
+
 function clearMapItems() {
     if(map_items.length > 0) {
     appendDebug("Clearing previous map trace");