Show login modal if there's a next param to index, university index

* also replace the external-auth-related popping up of the signup form with jquery.
Presumably it takes care of the browser specific stuff.

common/djangoapps/student/views.py

@@ -82,6 +82,8 @@ def index(request, extra_context={}, user=None):
                                              domain=domain)
     context = {'universities': universities, 'entries': entries}
     context.update(extra_context)
+    if request.REQUEST.get('next', False):
+        context['show_login_immediately'] = True
     return render_to_response('index.html', context)
 
 def course_from_id(course_id):

lms/djangoapps/courseware/views.py

@@ -404,6 +404,9 @@ def university_profile(request, org_id):
     context = dict(courses=courses, org_id=org_id)
     template_file = "university_profile/{0}.html".format(org_id).lower()
 
+    if request.REQUEST.get('next', False):
+        context['show_login_immediately'] = True
+
     return render_to_response(template_file, context)
 
 def render_notifications(request, course, notifications):

lms/templates/index.html

@@ -147,28 +147,10 @@
 
 % if show_signup_immediately is not UNDEFINED:
 <script type="text/javascript">
-function dosignup(){
-    comp = document.getElementById('signup_action');
-try { //in firefox
-    comp.click();
-    return;
-} catch(ex) {}
-try { // in old chrome
-    if(document.createEvent) {
-        var e = document.createEvent('MouseEvents');
-        e.initEvent( 'click', true, true );
-        comp.dispatchEvent(e);
-        return;
-    }
-} catch(ex) {}
-try { // in IE, safari
-    if(document.createEventObject) {
-         var evObj = document.createEventObject();
-         comp.fireEvent("onclick", evObj);
-         return;
-    }
-} catch(ex) {}
-}
-$(window).load(dosignup);
+$(window).load(function() {$('#signup_action').trigger("click");});
 </script>
-% endif
+% elif show_login_immediately is not UNDEFINED:
+<script type="text/javascript">
+  $(window).load(function() {$('#login').trigger("click");});
+</script>
+% endif
\ No newline at end of file