title: how to get features of vector layer on right click
body: <p>I am new in openlayers here i have got the features of vector layer on left click but now 
  I need the features of vector layer on right click, is this possible? please help!  </p>
  
  <p>My code is:</p>
  
  <pre><code>selectControl = new OpenLayers.Control.SelectFeature(vector2,
  {multiple:false, click:true , onSelect: onFeatureSelect, onUnselect: onFeatureUnselect}
  
  ); 
  map.addControl(selectControl);
  selectControl.activate();
  </code></pre>