code: public void setNodeCollapsedImage(String nodeCollapsedImage)
      {
          String val = setNonEmptyValueAttribute(nodeCollapsedImage);
          if (val != null)
              _iState.setNodeCollapsedImage(setNonEmptyValueAttribute(val));
      }
docs: Sets the image name for a closed non-leaf node with a
  line below it.  (Defaults to "nodeCollapsed.gif").
  @param nodeCollapsedImage the image name (including extension)
  @jsptagref.attributedescription The image name for a closed non-leaf node with a
  line below it. (Defaults to "nodeCollapsed.gif".)
  @jsptagref.databindable false
  @jsptagref.attributesyntaxvalue <i>string_imageHandleRightMiddle</i>
  @netui:attribute required="false"  rtexprvalue="true"
  description="Sets the image name for a closed non-leaf node with a
  line below it."