OpenLayers.Popup.Bdis = 
  OpenLayers.Class(OpenLayers.Popup.Anchored, {
    
    /** 
     * Constructor: OpenLayers.Popup.AnchoredBubble
     * 
     * Parameters:
     * id - {String}
     * lonlat - {<OpenLayers.LonLat>}
     * contentSize - {<OpenLayers.Size>}
     * contentHTML - {String}
     * anchor - {Object} Object to which we'll anchor the popup. Must expose 
     *     a 'size' (<OpenLayers.Size>) and 'offset' (<OpenLayers.Pixel>) 
     *     (Note that this is generally an <OpenLayers.Icon>).
     * closeBox - {Boolean}
     * closeBoxCallback - {Function} Function to be called on closeBox click.
     */
    initialize:function(id, lonlat, contentSize, contentHTML, anchor, closeBox,
                        closeBoxCallback) {
        
        OpenLayers.Popup.Anchored.prototype.initialize.apply(this, arguments);
    },


    /**
     * Method: updateRelativePosition
     * The popup has been moved to a new relative location, in which case
     *     we will want to re-do the rico corners.
     */
    updateRelativePosition: function() {
        this.setOrientation();
    },

    /**
     * APIMethod: setSize
     * 
     * Parameters:
     * contentSize - {<OpenLayers.Size>} the new size for the popup's 
     *     contents div (in pixels).
     */
    setSize:function(contentSize) { 
        OpenLayers.Popup.Anchored.prototype.setSize.apply(this, arguments);

        this.setOrientation();
    },  

 
    setOrientation:function() {
        var corner = this.relativePosition;
        var div = this.contentDiv.firstChild;
        if (div != null) {
          div.className = div.className + " " + div.className + "_" + corner;
        }
    },

    CLASS_NAME: "OpenLayers.Popup.Bdis"
});