[OpenLayers-Users] styleMap: is it possible to have a "onMouseOver" style?

[Alberto Valente]

Hi, I have a vector layer with point features. I'm using a styleMap (see
below).
I'd like to have 3 different styles: default, select (after the feature has
been clicked), "onMouseOver" (something analogue to onMouseOver event, when
the user goes over the feature without clicking)

How can I do that?
in this example the use the "select" style for onMouseOver event, but
there's no selectControl
http://openlayers.org/dev/examples/stylemap.html

thank you
alberto

here's my styleMap

sostegniStyleOn = new OpenLayers.StyleMap({
          "default": new OpenLayers.Style({
            'pointRadius': 10,
            externalGraphic: 'images/traliccioOff.png',
            cursor:"pointer"
          }),
          "select": new OpenLayers.Style({
            'pointRadius': 10,
            externalGraphic: 'images/traliccioOn.png',
            cursor:"pointer"
          })
//here I need a third style with onMouseOver-like behavior
        });

here's the layer

sostegniGeoJSON = new OpenLayers.Layer.GML("Sostegni",
"sostegniGeoJSON.json", {
          //  projection: new OpenLayers.Projection("EPSG:3003"),
          format: OpenLayers.Format.GeoJSON,
          styleMap: sostegniStyleOn
        });
        map.addLayer(sostegniGeoJSON);

and here's the selectControl

selectControl = new OpenLayers.Control.SelectFeature(sostegniGeoJSON,
        {onSelect: onFeatureSelect, onUnselect: onFeatureUnselect});

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