diff --git a/js/export.js b/js/export.js
index f34536a2c..166e65555 100644
--- a/js/export.js
+++ b/js/export.js
@@ -118,7 +118,7 @@ $(document).ready(function() {
 });
 
 /**
- * For SQL plugin, if "CREATE TABLE options" is checked/uncheck, check/uncheck each of its sub-options 
+ * For SQL plugin, if "CREATE TABLE options" is checked/unchecked, check/uncheck each of its sub-options 
  */ 
 $(document).ready(function() {
      $("#checkbox_sql_create_table_statements").change(function() {
@@ -154,8 +154,7 @@ $(document).ready(function() {
  */
 $(document).ready(function() {
     $("input[type='radio'][name='quick_or_custom']").change(function() {
-        export_type = $("input[type='radio'][name='quick_or_custom']:checked").attr("value");
-        if(export_type == "custom") {
+        if($("$(this):checked").attr("value") == "custom") {
             $("#databases_and_tables").show();
             $("#rows").show();
             $("#output").show();
@@ -180,6 +179,7 @@ $(document).ready(function() {
  $(document).ready(function() {
     $("#quick_or_custom").show();
     $("#databases_and_tables").hide();
+    $("#rows").hide();
     $("#output_quick_export").show();
     $("#output").hide();
     $("#format_specific_opts").hide();
@@ -187,4 +187,24 @@ $(document).ready(function() {
     $(".format_specific_options").hide();
     $(".format_specific_options").css({ "border": 0, "margin": 0, "padding": 0});
     $(".format_specific_options h3").remove();
+});
+
+/**
+ * Disables the "Dump some row(s)" sub-options when it is not selected
+ */
+ $(document).ready(function() {
+     $("input[type='radio'][name='allrows']").change(function() {
+//         alert(("$(this):checked").attr("name"));
+         if($("input[type='radio'][name='allrows']:checked").attr("value") == "1") {
+            $("label[for='limit_to']").fadeTo('fast', 0.4);
+             $("label[for='limit_from']").fadeTo('fast', 0.4);
+             $("input[type='text'][name='limit_to']").attr('disabled', 'disabled');
+             $("input[type='text'][name='limit_from']").attr('disabled', 'disabled');
+         } else {
+            $("label[for='limit_to']").fadeTo('fast', 1);
+            $("label[for='limit_from']").fadeTo('fast', 1);
+            $("input[type='text'][name='limit_to']").removeAttr('disabled');
+            $("input[type='text'][name='limit_from']").removeAttr('disabled');
+         }
+     });
 });
\ No newline at end of file