分期二期修改

@@ -49,10 +49,10 @@ $(CHECKBOX_SELECTOR + ':checkbox').click(function() {
         billNo = $(self).parent().data('billNo'),
         li = $('li[data-bill-no=' + billNo + ']'),
         selection = li.find('input:checked'),
-        lastIndex = li.eq(0).index();
+        lastIndex = li.eq(0).data('currterm');
 
     selection.parent().each(function(index, sel) {
-        var key = $(sel).index();
+        var key = $(sel).data('currterm');
 
         if ((key + 1) - lastIndex > 1) {
             isSkipped = true;