[Users] map.updateSize on Scroll

[Steve.Toutant at inspq.qc.ca]

Hi,
I use a geoext map panel inside a extjs panel.
If I scroll within the extjs panel the coordinates on the map are off by 
the distance I scrolled. Per example, after scrolling if I want to use a 
wmsgetfeatureinfo I need to click outside the map to get a feature.....
I think I should call  map.updateSize(); when finished scrolling. I tryed 
without success to catch a scroll event. Here is how I do it.
How should I do that please?
thanks 
Steve
 

{ 
     region:'east',
     xtype: 'panel',
     margins: '5 5 5 0',
     width: 400,
     title: "Statut de la veille météorologique",
     collapsible: true,
     autoScroll: true,
     listeners: 
     {
      'scroll': function()
       { 
        alert("scrolling");
        map.updateSize();
       }
     },
     items: 
     [
      {
       xtype: 'gx_mappanel',
       layout: 'fit',
       map: map,
       height: 400,
       width: 400,
       border: true,
       center: new OpenLayers.LonLat(point.x, point.y),
       zoom: 5
      },
      {
       contentEl:'divMapAvertissements',
       border: false
      }        
     ]
    }


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