| 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. | 
setSize:function( contentSize ) 
| contentSize | {OpenLayers.Size} the new size for the popup’s contents div (in pixels). | 
setSize:function( contentSize ) 
setBackgroundColor:function( color ) 
setOpacity:function( opacity )