public String getLink()
	{
		String link = null;
		// Have a shape with an embed?
		OOXMLElement oe = getObject( SP );
		if( oe != null )
		{
			link = ((Sp) oe).getLink();
		}
		// how's about a picture?
		if( link == null )
		{
			oe = getObject( PIC );
		}
		if( (oe != null) && (link == null) )
		{
			link = ((Pic) oe).getLink();
		}
		// or a connection shape?
		if( link == null )
		{
			oe = getObject( CXN );
		}
		if( (oe != null) && (link == null) )
		{
			link = ((CxnSp) oe).getLink();
		}
		return link;
	}