if(document.images)
    {
      worldmap_default = new Image();
      worldmap_default.src = '/coti_images/worldmap.gif';
      worldmap_afr = new Image();
      worldmap_afr.src = '/coti_images/maps/worldmap_afr.gif';
      worldmap_asi = new Image();
      worldmap_asi.src = '/coti_images/maps/worldmap_asi.gif';
      worldmap_aus = new Image();
      worldmap_aus.src = '/coti_images/maps/worldmap_aus.gif';
      worldmap_cam = new Image();
      worldmap_cam.src = '/coti_images/maps/worldmap_cam.gif';
      worldmap_car = new Image();
      worldmap_car.src = '/coti_images/maps/worldmap_car.gif';
      worldmap_eur = new Image();
      worldmap_eur.src = '/coti_images/maps/worldmap_eur.gif';
      worldmap_fea = new Image();
      worldmap_fea.src = '/coti_images/maps/worldmap_fea.gif';
      worldmap_ind = new Image();
      worldmap_ind.src = '/coti_images/maps/worldmap_ind.gif';
      worldmap_mea = new Image();
      worldmap_mea.src = '/coti_images/maps/worldmap_mea.gif';
      worldmap_nam = new Image();
      worldmap_nam.src = '/coti_images/maps/worldmap_nam.gif';
      worldmap_sam = new Image();
      worldmap_sam.src = '/coti_images/maps/worldmap_sam.gif';
      worldmap_sea = new Image();
      worldmap_sea.src = '/coti_images/maps/worldmap_sea.gif';
    }

    function rollOver(iName,iState)
    { 
      //alert(iName + ',' + iState);
      if(document.images)
      {
        document.images[iName].src = eval(iName + '_' + iState + '.src');
      }
    }