function preload(imgObj,imgSrc) 
{
   eval(imgObj+' = new Image()')
   eval(imgObj+'.src = "'+imgSrc+'"')
}

preload('home_fr_on','/images/home_fr_on.gif');
preload('home_fr_off','/images/home_fr_off.gif');

preload('about_fr_on','/images/about_fr_on.gif');
preload('about_fr_off','/images/about_fr_off.gif');

preload('media_fr_on','/images/media_fr_on.gif');
preload('media_fr_off','/images/media_fr_off.gif');

preload('publications_fr_on','/images/publications_fr_on.gif');
preload('publications_fr_off','/images/publications_fr_off.gif');

preload('search_fr_on','/images/search_fr_on.gif');
preload('search_fr_off','/images/search_fr_off.gif');

preload('english_on','/images/english_on.gif');
preload('english_off','/images/english_off.gif');

preload('fiscal_fr_on','/images/fiscal_fr_on.gif');
preload('fiscal_fr_off','/images/fiscal_fr_off.gif');

preload('innovation_fr_on','/images/innovation_fr_on.gif');
preload('innovation_fr_off','/images/innovation_fr_off.gif');

preload('human_fr_on','/images/human_fr_on.gif');
preload('human_fr_off','/images/human_fr_off.gif');

preload('creating_fr_on','/images/creating_fr_on.gif');
preload('creating_fr_off','/images/creating_fr_off.gif');

preload('corporate_fr_on','/images/corporate_fr_on.gif');
preload('corporate_fr_off','/images/corporate_fr_off.gif');

preload('north_fr_on','/images/north_fr_on.gif');
preload('north_fr_off','/images/north_fr_off.gif');

preload('canada_fr_on','/images/canada_fr_on.gif');
preload('canada_fr_off','/images/canada_fr_off.gif');

preload('more_fr_on','/images/more_fr_on.gif');
preload('more_fr_off','/images/more_fr_off.gif');

preload('choose_fr_on','/images/choose_fr_on.gif');
preload('choose_fr_off','/images/choose_fr_off.gif');

function img_toggle( imgName, mode ) 
{
   if( document.images ) 
   {
      document[ imgName ].src = eval( imgName + "_" + mode + ".src" );
   }
}