Front end work for optimizing conditionals.

common/lib/xmodule/xmodule/js/src/conditional/display.coffee

 class @Conditional
 
-  constructor: (element) ->
+  constructor: (element, callerElId) ->
     @el = $(element).find('.conditional-wrapper')
 
-    if @el.data('passed') is true
-      @passed = true
+    @callerElId = callerElId
 
+    if @el.data('passed') is true
       return
     else if @el.data('passed') is false
       @passed = false
     else
       @passed = null
 
+    if callerElId isnt undefined and @passed isnt null
+      console.log 'callerElId isnt undefined and @passed isnt null'
+
+      dependencies = @el.data('depends')
+      console.log 'dependencies: ', dependencies
+      console.log 'callerElId: ', callerElId
+      if (typeof dependencies is 'string') and (dependencies.length > 0) and (dependencies.indexOf(callerElId) is -1)
+        console.log 'Caller ID was not found in the dependencies.'
+        return
+
     @url = @el.data('url')
     @render(element)
 

common/lib/xmodule/xmodule/js/src/poll/poll_main.js

@@ -53,7 +53,7 @@ PollMain.prototype = {
 
             if (_this.wrapperSectionEl !== null) {
                 $(_this.wrapperSectionEl).find('.xmodule_ConditionalModule').each(function (index, value) {
-                    new window.Conditional(value);
+                    new window.Conditional(value, _this.id);
                 });
             }
         }