diff --git a/js/dependent.js b/js/dependent.js
index cca3622..b8e5fba 100644
--- a/js/dependent.js
+++ b/js/dependent.js
@@ -99,8 +99,14 @@
           else {
             switch ($(trigger).attr('type')) {
               case 'checkbox':
-                var val = $(trigger).attr('checked') || 0;
-
+                // **This check determines if using a jQuery version 1.7 or newer which requires the use of the prop function instead of the attr function when not called on an attribute
+                if ($().prop){
+                  var val = $(trigger).prop('checked') || 0;
+                }
+                else {
+                  var val = $(trigger).attr('checked') || 0;
+                }
+                
                 if (val) {
                   $(trigger).siblings('label').removeClass('hidden-options').addClass('expanded-options');
                 }
@@ -168,16 +174,31 @@
               if (Drupal.settings.CTools.dependent[id].type == 'disable') {
                 if (Drupal.settings.CTools.dependent[id].num <= len) {
                   // Show if the element if criteria is matched
-                  object.attr('disabled', false);
-                  object.addClass('dependent-options');
-                  object.children().attr('disabled', false);
+                  // **This check determines if using a jQuery version 1.7 or newer which requires the use of the prop function instead of the attr function when not called on an attribute
+                  if(typeof $().prop == 'function') { 
+                    object.prop('disabled', false);
+                    object.addClass('dependent-options');
+                    object.children().prop('disabled', false); 
+                  }
+                  else {
+                    object.attr('disabled', false);
+                    object.addClass('dependent-options');
+                    object.children().attr('disabled', false);
+                  }
                 }
                 else {
                   // Otherwise hide. Use css rather than hide() because hide()
                   // does not work if the item is already hidden, for example,
                   // in a collapsed fieldset.
-                  object.attr('disabled', true);
-                  object.children().attr('disabled', true);
+                  // **This check determines if using a jQuery version 1.7 or newer which requires the use of the prop function instead of the attr function when not called on an attribute
+                  if(typeof $().prop == 'function') { 
+                    object.prop('disabled', true);
+                    object.children().prop('disabled', true);
+                  }
+                  else {
+                    object.attr('disabled', true);
+                    object.children().attr('disabled', true);
+                  }
                 }
               }
               else {