Updates to the new course search/history features.

document_root/javascript/courses/public-view/search.js

@@ -9,8 +9,10 @@ function onLoadPublicViewSearch()
     document.getElementById('department').onchange = handleChangeSelectHierarchy;
     handleChangeSelectHierarchy();
     
+    if (document.getElementById('printButton')) {
         document.getElementById('printButton').onclick = function() {
             window.print();
+        };
     }
 }
 
@@ -59,7 +61,7 @@ function handleChangeSelectHierarchy()
     optGroups = subjectSelect.getElementsByTagName('optgroup');
 
     for (var i = optGroups.length - 1; i >= 0; i--) {
-        if (selectedDepartments.inArray(optGroups[i].label) || collegeSelect.value == 0) {
+        if (selectedDepartments.inArray(optGroups[i].label)) {
             optGroups[i].style.display = ''
         } else {
             optGroups[i].style.display = 'none';