diff --git a/utils/scan-build b/utils/scan-build
index 0c89f03..dbdb240 100755
--- a/utils/scan-build
+++ b/utils/scan-build
@@ -501,12 +501,29 @@
   }
 }
 
+function returnObjById( id ) {
+    if (document.getElementById) 
+        var returnVar = document.getElementById(id);
+    else if (document.all)
+        var returnVar = document.all[id];
+    else if (document.layers) 
+        var returnVar = document.layers[id];
+    return returnVar; 
+}
+
+var NumUnchecked = 0;
+
 function ToggleDisplay(CheckButton, ClassName) {
   if (CheckButton.checked) {
     SetDisplay(ClassName, "");
+    if (--NumUnchecked == 0) {
+      returnObjById("AllBugsCheck").checked = true;
+    }
   }
   else {
     SetDisplay(ClassName, "none");
+    NumUnchecked++;
+    returnObjById("AllBugsCheck").checked = false;
   }
 }
 </script>
@@ -553,7 +570,7 @@
 print OUT <<ENDTEXT;
 <table>
 <thead><tr><td>Bug Type</td><td>Quantity</td><td class="sorttable_nosort">Display?</td></tr></thead>
-<tr style="font-weight:bold"><td class="SUMM_DESC">All Bugs</td><td class="Q">$TotalBugs</td><td><center><input type="checkbox" onClick="CopyCheckedStateToCheckButtons(this);" checked/></center></td></tr>
+<tr style="font-weight:bold"><td class="SUMM_DESC">All Bugs</td><td class="Q">$TotalBugs</td><td><center><input type="checkbox" id="AllBugsCheck" onClick="CopyCheckedStateToCheckButtons(this);" checked/></center></td></tr>
 ENDTEXT
   
     my $last_category;