var Dom = YAHOO.util.Dom,

    Event = YAHOO.util.Event;



function regionHeight( itemid )

{

  var region_itemid = Dom.getRegion( itemid );

  return ( region_itemid.bottom - region_itemid.top );

}



function ocAnim( itemid )

{       

  var item_height = regionHeight( itemid );



  if ( item_height > 0 )

  {

    itemClose( itemid );

  }

  else

  {

    itemOpen( itemid );

  }

}



function anim( itemid, itemid_height )

{

  var attributes =

  {

    height: { to: itemid_height }

  };

  

	var duration = 0.5;

  var anim = new YAHOO.util.Anim( itemid, attributes, duration );



  if( itemid_height == 0 )

  {

    anim.onComplete.subscribe( function()

    {

			if( itemid == 'languages' )

			{

				Dom.addClass( Dom.get( 'lgwrap' ), 'displaynone' );

			}

			Dom.addClass( Dom.get( itemid ).parentNode, 'displaynone' );

    }, this, true );

  }

  anim.animate();

}



function afterHeight( itemid )

{

  var itemid_beforeheight = regionHeight( itemid );

  Dom.get( itemid ).style.height = 'auto';

  var itemid_afterheight = regionHeight( itemid );

  Dom.get( itemid ).style.height = itemid_beforeheight;

  return itemid_afterheight;

}



function itemOpen( closed_itemid )

{

  if( closed_itemid == 'languages' )

  {

		Dom.removeClass( Dom.get( 'lgwrap' ), 'displaynone' );

  }

	Dom.removeClass( Dom.get( closed_itemid ).parentNode, 'displaynone' );

	anim( closed_itemid, afterHeight( closed_itemid ) );

}



function itemClose( opened_itemid )

{

	anim( opened_itemid, 0 );

}